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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 .
SHEETROCK Formboard, a rigid gypsum board treated to resist mildew*, and fiberglass formboard are both available. Fire ratings are available with 2inch gypsum slabs and exposed tees. Ideal for almost every roof deck need, concealed or exposed.
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.
TECTUM Wall Ceiling Panels A Perfect Fit of Durability, Acoustics, and Unique Visuals From a natural factory finish or white, to madetoorder SherwinWilliams® colors, TECTUM panels can coordinate or complement your color palette with the sizes, shapes, and forms that make your designs happen.
See Fire Resistance DirectoryMetal Roof Deck Panels* (CETW).2. Roof Insulation — Mineral and Fiber Boards* — 24 by 48 in. to 48 by 96 in., to be applied in one or more layers. Boards to be installed perpendicular to gypsum board (Item 4) direction with end joints staggered 2 ft in adjacent rows.
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.
4. Roof Decks: Use minimum 13 mm (1/2inch) fillet welds on alternate sides of subpurlins, both sides at end joints to main purlins. 5. For fire rated roof decks weld per fire test assembly. C. Gypsum Deck Plank for Roof Decks: 1. Place plank on lower flanges of subpurlins or other framing with ends and edges supported. 2.
Gypsum concrete construction,Bulb tees are used as structural sub purlin. They are fastened to primary framing and provide support for form boards that receive gypsum concrete. They also anchor deck against uplift forces, restrict deck movement due to temp changes and provide lateral bracing for roof structure. Gypsum concrete roof decks are lightweight, set rapidly (30minutes) and when used ...
SECTION 03 51 16 GYPSUM CONCRETE ROOF DECKS SPEC WRITER NOTES: 1. Delete between // ____// if not ... hotrolled bulbtees or folded sheet metal tees as required by design loads, spans and fire ratings. 2. Flanges: Provide 16 mm (5/8inch) minimum bearing for gypsum planks. ... (1inch) thick gypsum panels with top panel edge set back along sub ...
The team at WestPro Construction Solutions is experienced in many kinds of gypsum repair for roof deck systems. We can install several gypsum repair patches, including USG Securock, Keydeck Mesh, and 218 Bulb Tees.
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
SAFETY BULLETIN 85 October 17, 2013 GYPSUM ROOF DECKING B. Formboards are laid on the flanges of the subpurlins 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 .
prestressed concrete BulbT''s shall conform to the requirements contained in File Nos. and 2 and as specified below. Prestressed concrete BulbT''s shall normally be designed using 1/ 2" diameter strands. Strand diameters of " and 1/ 2" (special) may be .
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.
Optional system for interstitial decks and roof decks. SECTION 03 55 11 GYPSUM CONCRETE FLOOR DECKS. ... hotrolled bulbtees or folded sheet metal tees as required by design loads, spans and fire ratings. 2. Flanges: Provide 16 mm (5/8inch) minimum bearing for gypsum planks. ... (1inch) thick gypsum panels with top panel edge set back along ...
Material Weights Decking: Tectum, 1" thick Insulrock, 1" thick Poured Gypsum, 1" thick Vermiculate Concrete, 1" thick
IN GYPSUM CONCRETE ROOF DECK CONSTRUCTION. Bulb tees are used in gypsum concrete construction as structural subpurlins. The bulb tees are fastened to the primary framing and provide support for the form boards that receive the gypsum concrete.
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 SpanRock Gypsum Plank Decks. Bulb Tees also make excellent bond beams for anchoring structural members, providing a continuous steel strip for attachment and reinforcement
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 ...
ICCES 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 ...
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
than about one eight of an inch under moderate hand 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. Anchorage of the supporting bulb tees
TECTUM I roof deck from Armstrong Building Solutions. Excellent sound absorption, thermal barrier, compatible w/ variety of insulation roofing materials.
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