DRAPER PRODUCT SPECIFICATIONS OCTOBER 2009
Draper, Inc., 411 South Pearl Street, Spiceland, Indiana U.S.A. 47385-0425
TEL: 765-987-7999; FAX: 765-987-7142; WEB SITE:
SECTION 11138
REAR PROJECTION SCREENS
***** Draper manufactures four types of rear projection screen:
Cinescreen - A diffusion type rear projection screen consisting of a transparent substrate with a permanently bonded optical coating which diffuses and distributes projected light. The coating is an emulsion of microscopic particles, each functioning as a refractive lens.
IRUS - Infinite Resolution Uniformity Screen - An acrylic rear projection screen designed for use with single lens, high resolution technology capable of providing optimum displays with uniform, crisp, ultra-fine images.
DiamondScreen - Cast acrylic high intensity screen with an integral lens system and embedded diffusion material. The brightness of DiamondScreens is up to three times that of conventional rear projection screens.
Vortex - Cast acrylic, high intensity screen with an integral lens system and embedded diffusion material. Since diffusion material is embedded, it cannot be scratched or damaged. Vortex is designed for use with single lens projectors without moiré patterns. The projected light is collimated then diffused evenly, allowing for use in videowalls and rooms with tiered seating patterns.
This section also covers four types of aluminum frames used for rear projection screens and three systems for video walls. A video wall is a custom designed, framed array of rear projection screens used in command centers, control rooms, and other facilities where detailed visual information is displayed. Video walls are typically used in conjunction with rear projector support framing systems specified in SECTION 11139 - REAR PROJECTION SYSTEMS.
There are various options for substrate material, formulation of optical coating, tint of optical coating, surface treatments, sizes, method of installation, framing, and frame finish. Refer to Draper product literature for availability of options, standard sizes, and guidelines for selection of screen type. Various options are listed in this specification section and the specifier will need to select the appropriate options, verify their availability, and delete non-applicable options.
When Draper rear projection screens with Cineflex Rear Projection flexible viewing surfaces are to be specified, use one of the following:
SECTION 11131 - MANUALLY OPERATED PROJECTION SCREENS
SECTION 11132 - MOTORIZED PROJECTION SCREENS
SECTION 11133 - ADJUSTABLE MOTORIZED PROJECTION SCREENS
SECTION 11134 - PERMANENTLY TENSIONED PROJECTION SCREENS
PART 1 - GENERAL
1.1SUMMARY
A.Section includes: Rigid, permanently installed rear projection [screens] [video walls] including [framing] [protective treatment] [non-glare treatment].
B.Related sections:
***** List other specification sections dealing with work directly related to this section such as the following. *****
1.Section 06100 - Rough Carpentry: Wood framing and blocking for installation of rear projection framed screens.
2.Section 06200 - Finish Carpentry: Site constructed wood frames for rear projection screens.
3.Section 08100 - Metal Doors and Frames: Hollow [steel] [aluminum] frames for rear projection screens.
4.Section 09260 - Gypsum Board Assemblies: Openings in gypsum board partitions to receive rear projection screens.
***** Screens for various types of rear projection cabinets and systems can be specified in this section and cross referenced to SECTION 11139 - REAR PROJECTION SYSTEMS or the requirements can be relocated to SECTION 11139. *****
5.Section 11139 - Rear Projection Systems:
[a.Rear projection system consisting of projector mount, mirror, and supporting structure used in conjunction with rear projection screens specified in this Section.]
[b.Rear projection cabinets consisting of enclosure, projector mount, mirror and rear projection screens [as specified in this Section].]
[c.Multi-screen systems with multiple projector cradles, mirrors, and rear projection screens [as specified in this Section].]
[d.Rear projector support structures used in conjunction with video walls specified in this Section.]
6.[Section 12492 - Manually Operated Window Shades] [Section 12493 - Motorized Window Shades] [Section 12494 - Opaque Window Shade System]: Shades for windows in rear projection rooms and rooms to receive projection screens.
1.2SUBMITTALS
A.Submit in accordance with Section 01330 - Submittal Procedures:
1.List of proposed products and product data including screen performance data.
2.Shop drawings showing dimensions, required rough openings, screen installation details, method of anchoring rear projection screen frame, and trim details.
3.Samples of frame finishes [for selection by Architect].
4.Manufacturer's installation and maintenance instructions.
5.Copy of warranty required by Paragraph 1.5 for review by Architect.
1.3QUALITY ASSURANCE
***** Cinescreens, IRUS - Infinite Resolution Uniformity Screens, DiamondScreens, and Vortex Screens can be provided factory installed in aluminum frames or they can be field installed in hollow steel, aluminum, or wood frames provided under other specification sections. If the rear projection screens are field installed, work should be by experienced glazier. Include the following paragraph for screens field installed in frames. *****
A.Field installation of rear projection screens in frames shall be performed by experienced glazier [in accordance with requirements specified in Section 08800 - Glazing].
1.4DELIVERY, STORAGE, AND HANDLING
A.Do not deliver projection screens until building is enclosed, other construction within spaces where screens will be installed is substantially complete, and installation of screens is ready to begin. If limited size of building openings requires large screens to be delivered early, deliver and store in protective crates.
B.Deliver products in manufacturer's original, unopened, undamaged containers with labels intact.
1.5WARRANTY
***** 10 years warranty is provided for Cinescreen. IRUS - Infinite Resolution Uniformity Screen, DiamondScreen, andVortex, are covered by a one year warranty which is standard with typical general conditions of the contract and does not need to be re-stated in this section. Include this article if Cinescreens are specified. *****
A.Provide under provisions of Section [01700 - Contract Closeout] [______]: 10 years warranty against peeling and deterioration of optical coating and other defects in materials and workmanship for rear projection screens.
______
REAR PROJECTION SCREENS11138 - 1
DRAPER PRODUCT SPECIFICATIONS OCTOBER 2009
Draper, Inc., 411 South Pearl Street, Spiceland, Indiana U.S.A. 47385-0425
TEL: 765-987-7999; FAX: 765-987-7142; WEB SITE:
PARTS 2 - PRODUCTS
2.1ACCEPTABLE MANUFACTURERS
A.Draper, Inc., 411 South Pearl Street, Spiceland, Indiana 47385-0425; 765-987-7999.
B.Manufacturers of equivalent products submitted and approved in accordance with Section 01630 - Product Substitution Procedures.
2.2REAR PROJECTION SCREENS
***** Use this article to specify Cinescreen rear projection screens. Select desired attributes from the following options. *****
A.Type: Rigid rear projection screen consisting of transparent substrate with permanently bonded optical coating [factory installed in aluminum frame] [field installed in site constructed frames] including gaskets, setting blocks, fasteners, and other components necessary for complete installation; Cinescreen as manufactured by Draper, Inc.
***** Cinescreen is provided with the following two types of transparent substrate. Thickness of substrate is determined by screen size.
Cineglass - Select quality plate or float glass and provides maximum sound isolation and scratch resistance. For Cineglass, maximum screen size is 6 by 8 feet (1.8 m by 2.4 m) for 1/4 inch (6 mm) thickness and 10 by 17 feet (3 m by 5.1 m) for both 3/8 inch (10 mm) and 1/2 inch (13 mm) thicknesses.
Cineplex - Select quality clear acrylic glazing and is lightweight, durable, and break resistant. For Cineplex maximum screen size is 100 by 150inches (254cm by 381cm) for 1/4 inch (6 mm) thickness and 104 by 240 inches (264 cm by 609 cm) for both 3/8 (10 mm) and 1/2 inch (13 mm) thicknesses. *****
B.Substrate: Clear [1/4 inch] [3/8 inch] [1/2 inch] [6 mm] [10 mm] [13 mm] thick select quality [plate or float glass; Cineglass] [clear acrylic; Cineplex] as manufactured by Draper, Inc.
***** Draper, Inc. offers the following six optical coatings for Cinescreen rear projection screens. Selection of optical coating is influenced by projector light output, audience pattern, screen aspect ratio, and ambient light level in audience area. Refer to Draper product literature for assistance in selection of appropriate optical coating. Coatings are formulated to provide varying levels of brightness over different viewing angles. Screen surfaces are rated according to gain which is a measure of brightness relative to a block of magnesium carbonate which serves as the standard for 1.0 gain. A higher gain indicates an increase in brightness. Peak gain is measured directly in front of the screen at 0 degrees viewing angle. Gain will decrease with an increase in viewing angle.
Cine 101.0 peak gain and half-gain at 50 degrees.
Cine 131.3 peak gain and half-gain at 33 degrees.
Cine 151.5 peak gain and half-gain at 31 degrees.
Cine 181.8 peak gain and half-gain at 28 degrees.
Cine 202.0 peak gain and half-gain at 27 degrees.
Cine 252.5 peak gain and half-gain at 25 degrees. *****
C.Optical coating: Emulsion of microscopic particles each functioning as a refractive lens with peak gain at 0 degree viewing angle of [_____] and [_____] gain at 50 degrees; [Cine 10] [Cine 13] [Cine 15] [Cine 18] [Cine 20] [Cine 25] as manufactured by Draper, Inc.
***** All Draper optical coatings are available with three optical tints:
Cine HC - High contrast dark grey tint.
Cine NG - Medium grey tint normal contrast tint.
Cine W - Neutral white tint.
Selection of optical tint is influenced by type of projector, contrast and legibility of projected image, ambient light level in audience area, acceptable color when screen is not in use, and use of laser pointers. Refer to Draper product literature for assistance in selection of appropriate optical tint.
D.Optical tint: Provide modifier for optical coating to enhance image contrast and color value; [Cine HC - Dark Grey Tint] [Cine NG - Medium Grey Tint] [Cine W - Neutral White Tint] as manufactured by Draper, Inc.
***** Cinescreen is typically installed with coated side toward audience since optical coating controls glare. However, coating is vulnerable to accidents and abuse and can be damaged by pointer, pencils, pens, fingernails, grease, oil, chalk, markers, and improper cleaning. Draper ArmorKote is applied over optical coating to protect surface from abrasion, abuse, and solvents. Include the following paragraph if protective coating is required. *****
E.Protective coating: Apply special transparent coating over optical coating to provide resistance to solvents, abrasion, grease, oil, water-based markers, chalk, and normal impact from fingernails, pointers, pencils, and pens; ArmorKote as manufactured by Draper, Inc.
***** If Cinescreen is to be installed with optical coating placed toward rear projector, Draper NonGlare special coating can be applied to side of screen without optical coating to reduce glare from audience side. Include the following paragraph if non-glare coating is required. *****
F.Non-glare coating: Apply special transparent coating to side of screen without optical coating to reduce glare from audience side; NonGlare as manufactured by Draper, Inc.
***** Appropriate screen size is determined by dimensions of audience area, ceiling height, and use. Draper provides both standard and custom sizes for rear projection screens. Refer to above data for maximum Cinescreen sizes based on thickness of screen substrate. Actual size of screen and viewing area will depend on type of frame being used. *****
G.Size:
1.Viewing area size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.Screen size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
***** Include the following paragraph if screen is provided with factory frame. *****
3.Overall frame size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.3INFINITE RESOLUTION REAR PROJECTION SCREENS
***** Draper, Inc. manufactures IRUS - Infinite Resolution Uniformity Screen specifically for single lens, high resolution projection technology such as SXGA and UXGA. This acrylic screen provides the total screen area with uniform resolution and brightness Use this article to specify IRUS - Infinite Resolution Uniformity Screen. *****
A.Type: Rear projection screen designed for use with single lens, high resolution technology capable of providing optimum displays with uniform, crisp, ultra-fine images; IRUS - Infinite Resolution Uniformity Screen as manufactured by Draper, Inc.
B.Screen thickness: [1/4 inch] [6 mm] minimum.
C.Material: Acrylic.
D.Performance requirements:
1.High resolution, excellent contrast, brightness, and superior color reproduction are uniform throughout total screen area.
***** Gain is a measure of the brightness of the projected image. A higher number indicates greater brightness. Typically projectors produce an image which is much brighter at the center than at the edges. Hence the highest gain is experienced by viewing the image from directly in front of the screen with 0 degrees viewing angle. The gain will typically decrease as the viewing angle is increased. Uniformity of the projected image is indicated by the differences in gain at 0 degrees and at other viewing angles. *****
2.Brightness:
a.Peak gain on projection axis where viewing angle is 0 degrees: 1.0.
b.Gain at 30 degrees viewing angle: 0.8.
c.Gain at 60 degrees viewing angle: 0.5.
d.Half-gain angle: 45 degrees.
***** Viewing cone is defined as the angle with respect to the screen within which all seats have a view of the screen. *****
3.Viewing cone: 180 degrees.
4.Anti-glare finish.
E.Size:
1.Viewing area size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.Screen size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
***** Include the following paragraph if screen is provided with factory frame. *****
3.Overall frame size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.4HIGH INTENSITY REAR PROJECTION SCREENS
***** Use this article to specify Draper high intensity DiamondScreens, a cast acrylic high intensity rear projection screen with an integral lens system and embedded diffusion material. Resulting brightness is up to 3 times that of conventional rear projection screens.
A.Type: High intensity, rigid rear projection screen of cast acrylic with integral lens system and embedded diffusion material; DiamondScreen as manufactured by Draper, Inc.
***** Depending on screen size, thickness is either 0.22, 0.30, or 0.31 inch (5.5, 7.5, or 8.0 mm) Refer to Draper product literature for required thickness. *****
B.Maximum screen thickness: [[0.22] [0.30] [0.31] inch] [[5.6] [7.6] [8.0] mm].
C.Lens system:
1.Projector side of screen to be Fresnel lens refracting projected light at right angle to screen and directly toward audience.
2.Light diffusion agents embedded in screen and tinted with high contrast dark grey tint to enhance color contrast and control vertical light distribution.
3.Audience side shall be ultra-fine linear lens with 0.25 mm pitch and treated with non-reflectance coating.
D.Performance requirements:
1.Peak gain on projection axis where viewing angle is 0 degrees: 3.5.
2.Minimum horizontal half-gain angle: 33 degrees from projection axis.
3.Minimum vertical half-gain angle: 8 degrees from projection axis.
***** Draper provides both standard and custom sizes for high intensity rear projection screens. Maximum overall size for DiamondScreen is 120 by 160 inches (3048 mm by 4064 mm). Refer to Draper product literature for available sizes. Actual size of viewing area will depend on type of frame being used. *****
E.Size:
1.Viewing area size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.Screen size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
***** Include the following paragraph if screen is provided with factory frame. *****
3.Overall frame size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.5FRESNEL/DIFFUSION REAR PROJECTION SCREENS
***** Use this article to specify Draper Vortex Rear Projection Screens, a cast acrylic rear projection screen with an integral lens system and embedded diffusion material.
A.Type: Rigid rear projection screen of cast acrylic with integral lens system and embedded diffusion material; Vortex Rear Projection Screen as manufactured by Draper, Inc.
***** Depending on screen size, thickness is either 0.18, 0.22, or 0.28 inch (4.5, 5.5, or 7.0 mm) Refer to Draper product literature for required thickness. *****
B.Maximum screen thickness: [[0.18] [0.22] [0.28] inch] [[4.5] [5.5] [7.0] mm].
C.Lens system:
1.Projector side of screen to be Fresnel lens refracting projected light at right angle to screen and directly toward audience.
2.Light diffusion agents embedded in screen and tinted with high contrast dark grey tint to enhance color contrast and control vertical light distribution.
D.Performance requirements:
1.Peak gain on projection axis where viewing angle is 0 degrees: 2.0.
2.Horizontal half-gain angle: Plus/minus 35 degrees from projection axis.
3.Vertical half-gain angle: Plus/minus 35 degrees from projection axis.
***** Draper provides both standard and custom sizes for combination Vortex Fresnel/diffusion rear projection screens. Maximum overall size for is 98-3/8 by 130-3/8 inches (2499 by 3312 mm). Refer to Draper product literature for available sizes. Actual size of viewing area will depend on type of frame being used. *****
E.Size:
1.Viewing area size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.Screen size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
***** Include the following paragraph if screen is provided with factory frame. *****
3.Overall frame size: [_____] [inches] [mm] high by [_____] [inches] [mm] wide.
2.6FRAMES
***** Use this article to specify factory installed aluminum frames for rear projection screens. Draper rear projection screens can be factory installed in these extruded aluminum frames:
System 100Simple, clean frame, 7/16 by 1-3/16 inch (11 mm by 30 mm), and suitable for:
1/4 inch (6 mm) Cineglass through 4’ x 5’ and Cineplex through 100” (254 cm) diagonal
DiamondScreensup to 100 inches (254 cm) diagonal.
Vortex and IRUS up to 120 inches (305 cm) diagonal.
System 200Channel shaped frame suitable for:
1/4 inch (6 mm) and 3/8 inch (9.5 mm) thick Cinescreens. System 200 frame can accommodate up 8’ by 10’ glass Cineglass Screens and all sizes acrylic Cineplex Screens.
IRUS and Vortex Screens up to 120 inches (305cm).
DiamondScreens up to 160 (343cm) inches diagonal .
System 300Channel shaped frame suitable for 3/8 inch (9.5 mm) and 1/2 inch (13 mm) Cinescreens and DiamondScreens 160 (343 cm) and 200 (508 cm) inches diagonal .
System 400L shaped frame suitable for:
1/4 inch (6 mm), 3/8 inch (10 mm) and 1/2 inch (13 mm) thick
CineScreens. System 400 can accommodate all sizes acrylic
Cineplex screens in all sizes Cineglass glass screens through 91” x
121” (231cm x 307cm).
IRUSand Vortex Screens up to 120 inches (305 cm).
DiamondScreens and through 200 inches (508cm) diagonal.
Large Screen2-1/2 inches (64 mm) square aluminum extrusion to frame large
SystemDiamondScreens greater than 170 inches (432cm) diagonal.
A.Frame: Provide screen factory installed in extruded aluminum frame.
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