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SAFETY BULLETIN 85 October 17, 2013 GYPSUM ROOF DECKING B. Formboards are laid on the flanges of the sub-purlins and serve as a form and remain in place to provide a functional underside of the roof deck. Formboards are gypsum sheetrock 1/2 inch .
TECTUM I roof deck from Armstrong Building Solutions. Excellent sound absorption, thermal barrier, compatible w/ variety of insulation & roofing materials.
ICC-ES Evaluation Reports are not to be construed as representing aesthetics or any other attributes not specifically addressed, nor are they to be construed ... along the long edge for installation between bulb tees or truss tees, which are attached to the top of, and span ... TABLE 2—ALLOWABLE ROOF DECK SPANS FOR TECTUM III PANELS1 TECTUM ...
Optional system for interstitial decks and roof decks. SECTION 03 55 11 GYPSUM CONCRETE FLOOR DECKS. ... hot-rolled bulb-tees or folded sheet metal tees as required by design loads, spans and fire ratings. 2. Flanges: Provide 16 mm (5/8-inch) minimum bearing for gypsum planks. ... (1-inch) thick gypsum panels with top panel edge set back along ...
DECK SOLUTIONS For over 65 years Tectum® Roof Deck has provided reliable, sustainable, acoustical roof decking solutions to meet the commercial construction industry's needs. Tectum Roof Deck solutions are available in a wide variety of system configurations to match the unique needs of your building design. Tectum Roof Decks are ...
areas. Gypsum roof decks will usually perform satisfactorily except in the presence of moisture. Disintegration of the material and the -board may result from sustained leakage. Anchorage of the supporting bulb tees against uplift may also be of importance, with significant deterioration. Floor and roof
pressure. Sagging floors will most often indicate problem areas. Gypsum roof decks will usually perform satisfactorily except in the presence of moisture. Disintegration of the material and the -board may result from sustained leakage. of the supporting bulb tees against uplift may also be of importance, with significant deterioration.
TECTUM Wall & Ceiling Panels A Perfect Fit of Durability, Acoustics, and Unique Visuals From a natural factory finish or white, to made-to-order Sherwin-Williams® colors, TECTUM panels can coordinate or complement your color palette with the sizes, shapes, and forms that make your designs happen.
Structural Panel Concrete Roof Deck is versatile and economic option for both low and steep slope roofs. Unlike traditional roofing systems where multiple layers are required, Concrete Roof Deck is both the noncombustible structural sheathing and either the nail base or thermal barrier.
SHEETROCK Formboard, a rigid gypsum board treated to resist mildew*, and fiberglass formboard are both available. Fire ratings are available with 2-inch gypsum slabs and exposed tees. Ideal for almost every roof deck need, concealed or exposed.
May 23, 1978· A poured concrete insulated roofing structure installed over roof support members and having gypsum formboard with its underside adjacent the roof support members and secured to with its upper side adjacent rigid synthetic polymer , the polymer having spaces vertically therethrough over more than about 5 percent of the area of the gypsum formboard, and poured concrete over the .
Subpurlins shall be designed to support live and dead loads of the roof deck. Got-rolled and cold-rolled steel shapes other than bulb trees or truss tees shall meet the requirements of this specification.
Nov 11, 1975· Conventional poured deck construction utilizes bulb tees or truss tees as subpurlins. Both the bulb tees and truss tees have upstanding portions which govern the spacing due to the projection into the poured gypsum or concrete in an attempt to obtain resistance to uplift.
IN GYPSUM CONCRETE ROOF DECK CONSTRUCTION. Bulb tees are used in gypsum concrete construction as structural sub-purlins. The bulb tees are fastened to the primary framing and provide support for the form boards that receive the gypsum concrete.
SECTION 03 51 16 GYPSUM CONCRETE ROOF DECKS SPEC WRITER NOTES: 1. Delete between // ____// if not ... hot-rolled bulb-tees or folded sheet metal tees as required by design loads, spans and fire ratings. 2. Flanges: Provide 16 mm (5/8-inch) minimum bearing for gypsum planks. ... (1-inch) thick gypsum panels with top panel edge set back along sub ...
TECTUM Roof Deck & Interior Solutions from Armstrong World Industries. Roof deck, wall & ceiling panels when noise control & durability matter. Learn more.
Gypsum decks shall have a minimum compressive strength of 500 pounds per square inch. 3. Gypsum decks shall have a minimum thickness of 2", not including the form board, and shall extend a minimum of .25" above the top of bulb tees or other structural supports.
Oct 26, 2010· What you have described is a "poured-in-place" gypsum deck. It has a gypsum form board on the bottom, sitting on the flange of a bulb tee. "Chicken wire" is draped over the bulb of the bulb tee, then the gypsum concrete is poured over the top. What you see from the bottom appears to be like a drywall material.
I am working on this building from around 1960 and it has an existing poured gypcrete roof deck system that spans to bulb tees that span to the steel structure. The client wants to close a bunch of existing roof penerations that had existing duck work with a steel plate bearing on the existing deck.
TECTUM Roof Deck Tile. TECTUM Roof Deck Tile is used with 218 bulb-tee steel subpurlins to increase the span and diaphragm capacity of the deck. The rabbeted edges of TECTUM tile rest on the steel tee flanges of the 218 bulb-tees. The space between the tile and bulb-tees, are filled with gypsum grout for excellent anchorage and wind uplift ...
for many decades. In roof decks, the irst widespread use of SCA was the poured gypsum roof deck on bulb tees that began over 70 years ago. It was produced by several manufacturers such as United States Gypsum Co., Bestwall Company, and Georgia .
Bulb Tees are high strength, lightweight, steel sections for use as structural subpurlins in specialty roof decks such as Tectum Wood Fiber Decks, Poured Gypsum Decks and Span-Rock Gypsum Plank Decks. Bulb Tees also make excellent bond beams for anchoring structural members, providing a continuous steel strip for attachment and reinforcement
Material Weights Decking: Tectum, 1" thick 2.0psf Insulrock, 1" thick 2.7psf Poured Gypsum, 1" thick 6.5psf Vermiculate Concrete, 1" thick 2.6psf
The gypsum roof deck system is supported by bulb tees generally spaced from 24" to 32" on center. Formboards placed between the bulb tees contain the fast-setting, poured gypsum roof deck. Special galvanized wire mesh, draped over the bulb tees, distribute vertical loads to the bulb tee system and resist diaphragm loads. For this system to ...
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