What You Need to Know About Acoustics (Part 2)

by RB 10. September 2015 06:19

Window Curtains at Baruch College
Photo: Todd Kaplan 


Rose Brand has partnered with our friends at Stages Consultants to create a blog series about the acoustical applications of fabrics. In this 3-part series, we’ll discuss some of the more common approaches for using fabrics in performance spaces and also the things to consider when choosing a fabric for your project.

In our last blog installment we gave an overview  on use of Rose Brand fabrics in performance space acoustics. In this second installment we take a closer look at the acoustically important differences between fabrics and identify some considerations in choosing the right fabric and integrating it into your design.

The Acoustical Differences in Fabrics

Fundamentally, absorption of sound occurs when air molecules interact with the pores of a porous material. Acoustical energy, transmitted through air, is dissipated as a result of viscous effects and thermal conduction with the material. The effective absorption of a material is determined by a combination of characteristics: the porosity and thickness of the material, how deeply air penetrates it, whether it is mounted to a hard or soft backing, and whether there’s an airspace behind it. 

Looking at fabric itself, porosity and thickness are mainly determined by its fiber, weave, and pile. Many theatrical fabrics are made of synthetic fiber, like polyester, which is inherently (and permanently) flame resistant. Others are made of natural fibers like cotton and silk, which can be treated for flame resistance. Those fibers are spun into thread and the thread is woven into fabric on a loom. The gauge of thread and density of the weave can change the porosity of the overall fabric structure as much as the choice of fiber. Warp or weft threads in the weave can be woven to protrude from the surface of the weave to create pile, which may be cut or left uncut depending on the desired finish appearance of the fabric.

All of these differences affect the acoustic properties of the fabric. Viscous effects, that cause sound absorption, occur at the sub-millimeter scale. Either a natural or synthetic fiber may provide great friction, depending on the weave structure, pile density, and height of the fabric. Fabrics with a denser weave have more fibers crammed into a smaller space, making the fabric more absorptive. The weave could potentially impede air flow entirely. Pile adds thickness and more fibers per square inch. It will also increase sound absorption just like a denser weave. Denser and thicker pile fabrics are easily spotted by their weight per yard.  Generally, a heavier-weight material provides greater absorption as long as it remains porous, but solely depending on the weight of the fabric when selecting a fabric for acoustical treatments has its pitfalls. A lightweight synthetic velour at 13 oz. per yard is more sound absorptive than a heavyweight muslin at 10 oz. per yard. The more complex, tighter weave of the velour offers more resistance to the air than the simple weave of the muslin

However, lightweight fabrics can be used very effectively for acoustics when combined with a porous backing. For example, a wall, upholstered with Rose Brand’s Sonic Stretch  fabric or Frazzle over a porous substrate made of glass fiber or mineral wool, could yield as much absorption as a double velour stage drapery. In these cases, the fabrics are not used to absorb the sound. The fabric just needs to be porous and great looking. The substrate does the real work of absorbing sound, while the fabric is a protective and attractive covering.

Placement and Construction of Fabric

The thickness of a porous absorber plays a role in how well it absorbs sound at mid and low frequencies. Thicker fabrics will usually absorb more sound at bass and mid-range frequencies than thin fabrics. Most times there is a direct correlation to the fabric weight. A general rule of thumb is that the thickness of an absorber needs to be 1/10th of the wavelength of the sound  to be a significant absorber and 1/4th of the wavelength to completely absorb sound at a particular frequency/wave length. High frequency sounds have very small wavelengths, while low frequency sounds have long wavelengths, as illustrated in the figure below.


For example: How thick does an absorber need to be in order to significantly absorb sound at 4000hz with a 3 ft wavelength. Using the Rule of thumb we multiply 3 ft by 1/10th. The material needs to be 0.3 ft or 3.6 inches.

How thick does an absorber need to be in order to significantly absorb sound at 125 Hz with a 9 ft wavelength. Using the Rule of thumb we multiply 9 ft by 1/10th. The material needs to be 0.9 ft or 10.8 inches thick. 

Clearly it’s impractical to use a single material thick enough to absorb sound at mid-range or low frequencies, so we employ a few “tricks” to make materials more effective. Additional thickness is developed by sewing fabrics into layers or creating “fullness” through use of pleats or folds. A comparison guide of standard approaches to curtain fullness is available here.

A word of caution — fullness increases acoustical absorption by increasing the amount of material there is to absorb the sound. The added material means there will be more weight on mounting points and more space will be required to store fabric curtains that are tracked or drawn like blinds into storage pockets. There are many other non-acoustical considerations when selecting the right pleating and fullness for any application. The standard bolt width of a fabric will determine the spacing of seams in a curtain which will influence the spacing of the pleats. It’s important to consider how the curtain will be used and handled once it is installed. Consider the effects that folding or rolling a curtain for storage will have on the fabric over time.  There are many more considerations that your Rose Brand representative can help you sort out.

One more note on fabric placement. The motion of air molecules (particle velocity) approaches zero at room boundaries. So, fabric placed directly against a hard wall is less effective as a sound absorber than a curtain hung an inch or two in front of the wall. The air trapped behind a porous fabric helps increase low-frequency absorption, while the separation from the wall maximizes viscous and thermal interaction between air molecules and the pores of the absorber. It’s not unusual for a curtain in a theatre to be sewn in box pleats or ripplefold at 100% fullness and hang twelve to eighteen inches from a wall.

Next month, in our last installment, we’ll review and compare test data for some of our favorite acoustic fabrics in the Rose Brand product line, and suggest ways of incorporating them in acoustical designs in ways that are predictable.


Fabrics with Acoustic Absorption Data Available from Rose Brand

Rose Brand offers Acoustically-rated Fabrics & Foam, including acoustic absorption data across six octave bands for some popular velour fabrics. View them on the main Rose Brand website




Stages Consultants provides world class acoustics and theatre design consulting for performing arts buildings. We bring to every project the knowledge, creativity, design skills and leadership offered by only the most experienced members of our profession - with the individual client oriented service that a small firm can deliver best. You can learn more about them and their services at www.stagesconsultants.com



What You Need to Know About Acoustics (Part 1)

by RB 4. August 2015 04:43

Main Curtain and Window Curtains at Baruch College 
Photo: Todd Kaplan 

Rose Brand has partnered with our friends at Stages Consultants to create a blog series about the acoustical applications of fabrics. In this 3-part series, we’ll discuss some of the more common approaches for using fabrics in performance spaces and also the things to consider when choosing a fabric for your project.


Why Are Acoustics Important?

One of the basic goals of room acoustics is controlling reverberation, or the persistence of sound in a room after the source is silenced.  While sometimes the goal is to create “live” spaces with longer reverberation times for a concert hall, more often you are looking for ways to make a room’s acoustics less reverberant, especially in theatre and studio spaces. Adding sound absorbing material to a room will reduce its reverberation time and the perceived loudness of sound. Shorter reverberation times enhance sound clarity, improve speech intelligibility, and reduce loudness.  This allows better communication between performers and audiences at comfortable volumes. It also improves source localization, including surround sound effects. 

Why Fabric?

Fabric is among the most versatile and effective sound absorption options available.  Each fabric has different characteristics, such as type of fiber and weave that determine how much sound it absorbs and whether it provides even sound absorption from low (bass) to high (treble) frequencies, or whether it is only effective over a limited range. The way a fabric is used can also change its acoustic performance.  A flat panel of fabric against a hard wall is different from a curtain with 50% or 100% fullness against the same wall.  A fabric panel with backing, or one that’s set off from a surface with an airspace, will also perform differently.  

Typical Use in Theatres 

Typical fixed fabric elements in theatres include audience seating, wall panels, wall coverings, and a portion of draperies.  Portions of draperies and dedicated acoustic elements are devices that may be extended in the room or removed depending on scenic needs and desired acoustical effect.

Acoustic Panels and Wall Coverings

When you think about acoustic wall panels, you may imagine a thick sound absorptive panel with an open-weave fabric covering like you see in many office conference rooms.  Acousticians love these panels — low-cost, reliable performance, and most clients can find panels they like.  However, in performance spaces you’re not always looking for maximum absorption or the same acoustic performance over every square foot of wall space.  A larger variety of fabrics and in different applications is helpful in tuning a performance space.

Using fabric to cover walls is a great way to increase the absorption in a room or even cover a reflective panel. Attaching lightweight materials like a tulle or muslin will make walls more absorptive than paint at high frequencies, but have little impact on mid and low-frequencies.   Heavier and thicker fabrics start to provide more substantial high frequency absorption and, depending on how they’re used, they can begin to affect mid and low frequencies, even without a porous backing.  

Section of Upholstered Wall

Curtains and Banners

While we’ve occasionally motorized a set of acoustic wall panels to allow them to be extended or retracted within an auditorium, most often we use fabric as tracked curtains or vertical banners to provide a range of absorption in a room and vary reverberation and loudness.  Velour and Wool Serge fabrics are most effective curtain and banner options, and can be doubled or combined with a backing fabric like Canvas or Commando Cloth to achieve the acoustic performance needed in a particular room.

Wall Curtains at Baruch College

Window Curtains at Baruch College 
Photo: Todd Kaplan 

Fabrics with Acoustic Absorption Data Available from Rose Brand

Rose Brand offers Acoustically-rated Fabrics & Foam, including acoustic absorption data across six octave bands for some popular velour fabrics. View them on the main Rose Brand website

In Part 2, we’ll take a more careful look at Rose Brand products and how they perform in different configurations.  


Stages Consultants provides world class acoustics and theatre design consulting for performing arts buildings. We bring to every project the knowledge, creativity, design skills and leadership offered by only the most experienced members of our profession - with the individual client oriented service that a small firm can deliver best. You can learn more about them and their services at www.stagesconsultants.com



Acoustical Fabric | Acoustics | Custom Sewing | General

How To Use Various Netting and Gauze Fabrics in Scenic Design

by RB 1. July 2015 03:45


Scenic designers use Netting and Gauze fabrics in combination with other scenery and lighting to create visual illusions and spatial depth.  The transparency of netting and the translucency of gauze make these fabrics particularly well suited for these effects. The following describes the characteristics of various nettings and gauzes and how you might use them to best effect.



In general, the term Netting refers to materials that are used to add structure and add support to fabrics that are too flimsy on their own, or have been cut to a shape that will flop down without added support.  In this context it is desirable to have the supporting fabric transmit as much light as possible.  The supporting fabric needs to be, in effect, transparent and “invisible.” 

1x1 Scenery Netting  is used to hold the shape of cut drops with under cut profiled shapes, such as foliage on branches. The Scenery Netting is made with very light weight threads that, when used and lit in the proper context will not be apparent to the viewer.  

13’3” Scenery Netting has heavier threads and a tighter grid pattern. While not as transparent as the 1x1, it is more durable. This is a good option for a cut drop that will be handled many times on a tour or in repertory situation.

Tiger Gauze is a strong netting material with a relatively tight yet pliable pattern.  Even less transparent than scenery net, but great for cut drops with intricate patterns cut from heavy base fabrics. Also, Tiger Gauze has great durability to stand up to handling.

Kenny Net is excellent for out door use. Its ½” grid provides a very open, yet stable base to support a large variety of applied materials. It comes 14ft wide in Black. LED lights can be attached to produce an amazing see-through Animation Curtain or Star Drop. 

XNET is an IFR synthetic netting that is sturdy and stable. It’s a 1/8" square weave netting that is color fast and UV resistant making it great for lighting effects indoors or out. It has become a standard for trade show booth ceilings. It’s 16’5” wide, in White, Black and Contrast grey. This fabric is more translucent than transparent, but can be a good netting choice to support intricate patterns.



The term Gauze is generally used to describe fabrics that diffuse light. Gauze fabrics are translucent. When there is no light on the gauze, or in front of the gauze, lit objects behind the gauze are visible. The gauze obscures the lit objects slightly so the image is softened. The objects can appear to be more distant. 

Scrim and bobbinette fabrics are used as full stage, seamless light diffusers. Each type of scrim and bobbinette has its own unique characteristics that come from the size of the thread and the pattern of the weave.

Sharkstooth Scrim is a type of gauze. It’s woven to create a loose rectangular grid pattern. When steeply front lit with no light behind, a sharks tooth scrim will appear opaque. Lit objects behind are visible. Sharkstooth is woven very wide, up to 39 ft. wide. Read more on “How to Light a Sharkstooth Scrim” on the Rose Brand blog.

Bobbinette “A” and “B” can be used in a similar fashion as Scrim, but the weave is much more open and will not appear as opaque as Sharkstooth when front lit. Weave “A” and “B” have a hex shaped opening.  They are very transparent and are useful for adding atmosphere and depth to a scene. Weave “A” is lighter than Weave “B”. Both are prone to stretching due to the nature of the hex weave.

Bobbinette Weave “C” does not have the hex shaped opening of “A” and “B”. The pattern looks more like a series of alternating triangles in parallel rows. This pattern is less likely to stretch. The threads used in the construction of Weave “C” are heavier than “A” and “B”, so it performs better as an opaque, front lit drop.

Transnet is a new product that has a weave similar to Weave “C”, but the threads are lighter. Transnet is nearly as translucent as Weave “A’”, but it is much less prone to stretching and hour-glassing. It’s made from cotton and treated to be FR. Available in White and Black at 39’wide.

Square Gauze is also suitable for use as a full stage drop. It’s wide, 35ft. It can be used in close combination with Sharkstooth Scrim or Bobbinette without creating the moiré effect that can result when identical open-weave fabrics are doubled up.

XNET, described above in the netting section, is a viable gauze option as well. It’s not as wide as the others but it is strong and durable. It‘s very resistant to hour glassing and has similar translucency as Weave “A”. It is only available at 16’-5” wide

Fine Gauze is available in wide widths too, up to 32’-9”. The weave is much tighter than the other wide fabrics, and the threads are more delicate. The tight weave makes it good for use as a front lit opaque drop and a seamless back lit translucency. It is not transparent. 

Narrow gauze fabrics, such as Linen Gauze (55”w), Fine Gauze (from 9’9” to 32’9” w), Theatrical Gauze (72”w), and Cotton Scrim (54”w) are useful for curtains and draperies that can be built with multiple widths of fabric. The fabrics are seamed vertically and when built with fullness the seams are less apparent to the viewer. Gauze fabrics can be used to make sheer curtains that play in combination with heavier curtains in windows and French doors. Sheer curtains allow the transmission of soft light into a space while providing a level of privacy in the space.

Gauze fabrics can be layered on top of each other or heavier fabrics to create interesting combinations of color and texture. Different effects can be achieved by varying fullness as well. 

Gauze fabrics can be laid up flat over each other on hard surfaces to create patterns of color, translucency and texture.



Custom Sewing | Flame Retardancy | General | Projection | Scenic Design | Sharkstooth Scrim

3 Common Uses for Masking Fabrics

by RB 3. June 2015 08:31

Masking fabrics can be used for a variety of purposes and projects. They are the versatile element that we see our customers using in almost infinite ways. Masking fabrics can be used to frame a theatrical set by using plush velour, such as Rose Brand 25oz Charisma Velour, in interesting colors with pleated fullness. Heavyweight fabric can be hung in fullness to absorb sound and deliver a better listening experience for viewers. Colorful drapes can be used to define the stage space while hiding the offstage activity of the cast and crew. In all of the scenarios it is important that the fabric be opaque to hide the people and equipment that are being masked. 

Manipulating Fixed Seating

If a theatre has fixed seating areas that are not being used for a particular production, masking can be used to cordon off the area. Fabric panels can be hung from suspended pipes or tracks that are hung in front of the seats to be hidden. Pipe and Base 2.0 systems are also available and allow for very versatile placement of the masking. The Pipe and Base system is ground supported and can be set up and moved as needed. 


Managing Sound*

Frequently, black box theatres are reverberant b

Some people prefer the look of flat masking. In that case it is very important to use at least two layers of heavy fabric with several inches of space in between. The air space in between serves to trap the sound that goes through the fabric. ecause the walls are flat, hard and parallel to each other. Sound waves just bounce back and forth. The energy of the sound needs to be dissipated and absorbed to reduce the reverberation. Historically, heavyweight fabric, such as Rose Brand 25oz Memorable Velour, is hung in fullness in front of the walls. The irregular folds in the fabric disperse the sound waves and the mass of the material absorbs some of the energy. 

Both of these solutions can be accomplished easily by tying the fabric to pipes mounted from the ceiling or installing the fabric on a pair of parallel traveler tracks suspended in front of the walls of the theatre.  Traveler tracks allow for adjustment and provide possible storage positions when the masking is not in use.

* Rose Brand recently tested the acoustical performance of eight of our most popular masking fabrics. Results for the medium weight 12oz Brava up to the heavy 32oz Royale are available in the Rose Brand Catalog and on the website.


Transforming Theatre Space

An ordinary black box space can be reconfigured to a theater in the round space with the use of masking fabrics. Let’s consider a rectangular black box space with galleries around the perimeter. When configured in the round, masking is generally used to cover the walls of the theatre and to provide passages for actors and crew. This can be done by tying the masking to the railing of the galleries or the masking can be hung from traveler tracks on the galleries. The traveler option provides more immediate flexibility when changing the space from a proscenium or thrust configuration to a round setup.


A Selection of Masking Fabrics Available from Rose Brand

Most Requested: 22oz Encore IFR

Broadest Color Selection: 21oz Marvel FR

Best Overall Sound Absorption: 25oz Memorable FR

Most Economical Solutions: Commando Cloth FR and Duvetyn FR

Durability for Long Term Installations: 30oz Wool Serge IFR


Complementary Products

Heat Borders


Pipe and Base 2.0


Custom Sewing | Discount Store | Event | Flame Retardancy | General | Scenic Design | Special Effects

Behind the Scenes: Outfitting ShowStoppers at Wynn Las Vegas

by RB 20. April 2015 05:20

Throwing your wife a huge party for her birthday is generally a good way to win brownie points for the year to come. Throwing her a huge party in the form of a Broadway-esque musical where Hugh Jackman performs, now that’s a way to amass brownie points for life. 

To celebrate the birthday of his wife, Andrea, Steve Wynn, chairman and CEO of Wynn Resorts, threw an elaborate party. An enthusiast of Broadway show music, Wynn transformed the party into an attraction for the Wynn Las Vegas Encore Theatre. The result was ShowStoppers, a musical production of classic Broadway show tunes that Wynn personally wrote. 

Rose Brand had the pleasure and honor to create the drapery for the show. Our team of production specialists had direct input on what the final design would look like – we suggested colors, adjusted fabric type, and even put finishing touches on the production before rehearsals. 

Tom Coulouris and Brent Porter, two of the most sought-after project managers and veterans of the theater industry, sat with designers and producers including production designer Ric Lipson of Stufish and Rick Gray, general manager of entertainment operations at Wynn Design & Development as the concept for this production came about. In an interview with Sharon Stancavage for Lighting and Sound America, Lipson describes the duo as the “Gods of Drapes.”


During preliminary meetings with the production team, Rose Brand presented suggested mock ups for the major soft goods in the production. Together, the two groups of producers worked with the fabrics to get the best effects – additional layers of fabric were added, colors were custom-dyed, and various light sources were tested. Since Rose Brand has a huge selection of fabrics in stock, testing different fabrics and color options was fast and easy. Rose Brand brought to the project a deep understanding of the aesthetics the designers wanted to achieve paired with intimate knowledge of the technical aspects required in order to make that possible. 

This was a very high-energy, fast-paced project made up of many specialized design pieces. One of the scenic goals for this production was to create the illusion of depth and dimension with limited space. To give the background depth and pizzazz, varying layers of three different colors of Shimmer Organza fabric were used in different parts of the show. A focal point throughout the show is the upstage curtain made from the Shimmer Organza in 200% sewn-in fullness at the top and bottom. The sheer fabric was also used to create other elements of the show. 

In the interview for Lighting and Sound America, Lipson describes another Rose Brand fabric, the Gliss Velvet, as “taking light in the most beautiful way.” This textured velvet was used in many places in the production including the proscenium and the band riser front. The individual legs and borders are a custom colored antique gold, made specifically for the show. 

Additional Rose Brand components used in the show include Classic Star Drop with LEDs for a border, legs, and drop, an Austrian Curtain sewn from Frazzle fabric, and numerous steel beaded curtains. All three of these elements are suggestions the Rose Brand production team made on the project. The steel beaded curtains were very popular in numerous scenes. “In the scene from Cabaret, we use a lot of Rose Brand’s 5/8" Plated Faceted Metal Beads for the whole of the set—it’s sort of enveloped in these beads,” Lipson adds. The curtains are pictured above on stage left and right as well as the center stage in what has been described as a “beautifully decadent, bead-laden club.”  

After sewing for the project was completed, Brent Porter, Rose Brand’s Manager of Fabrication and Development, flew out to Las Vegas to perform enhancements on-site for two weeks before rehearsals started. Working alongside the installation crew at Wynn Casino, he assisted in making sure each piece was properly installed and hung perfectly. Porter also assisted with on-site tweaks which allowed the curtains to open and close perfectly. Along with Lipson and Grey, he made sure that every tassel was in place and each curtain had the exact fullness needed. 

Since its premiere, the production has received rave reviews and shows no signs of slowing down.  ShowStoppers is running through October 2015 at Wynn Las Vegas. 

Use the same products in your next production! Here are some of the fabrics used in ShowStoppers:

Gliss Velvet
Classic Star Drop
Shimmer Organza 
For information about ordering metal beaded curtain, call 1-800-223-1624


To read the full feature in Light & Sound America, click here.

Creating & Installing Masking Panels for the Walmart AMP Outdoor Venue

by RB 29. January 2015 08:51


June 7, 2014 marked the official grand opening of the Walmart AMP in Rogers, Ark. (formerly known as the Arkansas Music Pavilion) with a Walmart event in the morning and country music star and NBC’s “The Voice” coach Blake Shelton in the evening. This outdoor concert venue had some unique challenges for rigging and soft goods. Rose Brand stepped up to the challenge by teaming with McLaren Engineering to design, fabricate, and install Textilene mesh side masking on the stage. Rose Brand also supplied truss, chain hoists, rigging and a split upstage blackout, in addition to installing two 24' high x 13'-6" wide, 5,000 pound LED display tile walls in the wings.

With masking measuring 30' high and 40' wide on each side plus engineered wind load, additional structural steel was required to support the Textilene panels and heavy duty tracks. Triple E Unibeam was employed to travel the 10 custom Textilene panels. Custom braking carriers ensured the panels stay in place once positioned.


With one week of notice to install the video walls, a temporary installation plan was engineered to rig the display frames for the grand opening while the custom rigging hardware was fabricated. The video walls were then dismantled and re-installed for semi-permanent, seasonlong durability. Through collaboration with the venue owners, Rose Brand was able to provide a safe, finished, and workable solution to the challenges the venue posed. These elements will be installed from May-September each season to enhance the acts taking the stage each week.

Link to Project Management & Rigging.

Link to Stage Hardware & Rigging.

Link to Textilene fabric.


Projection On Scrim

by RB 22. December 2014 04:55

Here's a response to a customer inquiry that might also be of interest to many others...

Issue: "I am trying to front project on the scrim with a projector that conceals the set behind it with good light control. Please suggest a scrim for me and anything I should be aware of."

Response: Projection onto scrim can be a bit tricky but if you know some of the ins and outs you should be able to avoid the challenges associated with this effect. 

All of our (scrim products) can be used for projection but typically theatrical projection is done on the old standby of white sharkstooth scrim.  I have also seen projection done on elements of painted black scrim and scenic painted scrims.  We have seen many desirable front projection effects and images produced on black scrim that has been sprayed (on the front) with rear-projection Screen Goo, as this makes a great reflective surface for the image on a black substrate.  I personally do a lot of outdoor projection onto vinyl mesh like textilene or speaker mesh with great results.  The scrim material chosen will depend on your application and the desired seamless area.

The effect of a scrim heavily depends on the control of stray light. It uses contrast to fool the eye into thinking that the material is opaque.  Traditional theatrical scenic scrims are typically lit from a very steep angle so that the light that passes through the scrim falls just upstage or in the wings.  As long as the space and objects behind it stay dark, you will not see anything through the scrim.  If there is front light hitting the scrim straight on, or at a shallow angle, it will illuminate the area and objects behind the scrim.  This is true for direct and reflected light from the stage.

When you apply this to projection, things will get a bit more complicated.  The ideal setup will depend very heavily on a number of variables; the effect to be achieved, desired quality and purpose of the projection image itself, and the technical capabilities of the venue.  All of this is assuming front projection on scrim since rear projection is not advisable and is typically done for effect only.

If your primary concern is projection image quality, you will likely want to put the projector in the house straight on to the scrim.  This will produce the best quality of image but is the worst case scenario in terms of making a scrim appear opaque.  This is typically how scrim projection is accomplished but it will likely require a blackout immediately upstage of the scrim.  This blackout will catch all of the projector overshoot and certainly mask the scenery or stage behind it.  Just before the reveal is made through the scrim, the blackout will be flown out or traveled open.  If you are looking for a double image, the blackout may not be necessary at all as the background would be dimly lit the entire time.

If you are looking for less quality of image and more effect, the projector(s) can be placed at a sharp angle to the scrim and blended into one image similar to the way your stage lighting would be.  This requires equipment capable of this type of image warping and will certainly reduce the overall quality of the projected content.  This can be a technically complex setup and will require the appropriate projectors and image processing.




Tags: , , ,

Projection | Sharkstooth Scrim | Special Effects

Beautiful Effects With Jacquard Fabric

by RB 18. November 2014 04:09

Jacquard fabrication allows a designer to create fabric with intricate custom patterns and imagery at a small required minimum yardage. With Jacquard, your custom artwork is not printed, but digitally woven into the fabric itself. The result is a deeper textured look and feel than ordinary fabric printing can produce. With Jacquard, several color shades can be combined in various fabric densities, resulting in areas ranging from sheer to opaque in a spectrum of tones.

The James Taylor 2014 tour used a Rose Brand® custom Jacquard curtain for a fabulous backdrop. This piece combined a light grey, sheer pattern with a dark grey, opaque pattern that lit beautifully from the front and back. In the photo up top, the grey fabric took on the colors of the lighting used.    

Interested in learning more? Call Rose Brand customer service at 800-223-1624.

Jacquard Fabric



Custom Sewing | Event | Special Effects

What's a Fire Curtain?

by RB 12. November 2014 10:33

Fire curtains provide a fire and smoke barrier that separates the stage house from the auditorium. In the event of a fire, the fire curtain automatically descends to provide theatre patrons extra time to safely evacuate.

Local building and fire codes vary and require different types of fire protection. Most states use a modified version of the National Fire Protection Association’s code (http://www.nfpa.org/). As a guideline, note that all Rose Brand fire curtains are designed, manufactured and installed according to NFPA80 and ANSI E1.22 standards. The curtains are made of 40 oz., non-asbestos, high temperature coated fiber glass fabric. However, before specifying a fire curtain for your venue, it's wise to check with your local fire marshal to insure that you're specs will meet local requirements.

The two most common fire curtain installations are Straight Lift and Brail Lift systems. The Straight Lift Curtain is rigged to always hang flat, so it requires a large fly space above the proscenium for storage. The Brail Lift Curtain requires much less space. It’s rigged similar to an Austrian curtain to gather in pleats above the proscenium.

Learn more about Straight Lift and Brail Lift fire curtains.



Custom Sewing | Flame Retardancy | Safety

2014 Academy Awards® Custom Main Curtain, Arch Curtain and Projection Screens

by RB 30. October 2014 05:04


Rose Brand is pleased to have worked with Academy Awards® Production Designer, Derek McLane, and Art Directors, Joe Celli and Gloria Lamb, to develop the main curtains and projection screens for Oscar® night.

Two Complementary, Contrasting Curtains

After weeks of collaboration and testing, the team arrived at just the right fabric, production technique and colors to achieve master designer Derek McLane’s creative vision. The 2014 curtain design involved two drapes that both featured Rose Brand white Poly Satin fabric with similar digitally printed design patterns. However, the curtains were printed in contrasting colors and sewn with different levels of fullness.

The main curtain, sewn with 150% fullness, featured a printed silvery background and dark fleur-de-lis pattern. The complementary curtain, which hung above the main drape, adorned the stage arch. The arch curtain, sewn with 75% fullness and printed in contrasting colors, provided a dramatic counterpoint.

Curtain Fabrication

Production of the arch curtain was particularly tricky since its fullness differed from the main curtain, but its printed pattern needed to match the main. Additionally, the top border of the arch curtain had to conform to the curved shape of a pipe located next to it. Since there was no time to re-work any aspect of the project, curtain production needed to be flawless. And it was. Once lit, the curtains produced a stunning effect!

Projection Screens

Rose Brand also produced the projection screens used for parts of the show, including the memorial sequence. Our Black-130 Premium Projection Screen, placed in front of a video wall, produced high contrast, rear projected images, and eliminated the pixilation that would have otherwise been observed (see images below).




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