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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.

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 ...

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

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.

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

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

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 .

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 .

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.

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 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 ...

TECTUM I roof deck from Armstrong Building Solutions. Excellent sound absorption, thermal barrier, compatible w/ variety of insulation & roofing materials.

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 ...

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.

prestressed concrete Bulb-T's shall conform to the requirements contained in File Nos. 12.01-1 and -2 and as specified below. Prestressed concrete Bulb-T's shall normally be designed using 1/ 2" diameter strands. Strand diameters of 0.6" and 1/ 2" (special) may be .

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.

Retrofitting Gypsum. RETROFITTING / REROOFING POURED GYPSUM DECKS The poured gypsum roof deck consists of steel bulb tees, a form board (usually composed of gypsum or fiberglass), wire reinforcing mesh, and the gypsum concrete. The bulb tees, which are very strong vertically but quite flexible horizontally, provide the long span strength.

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 ...

See Fire Resistance Directory-Metal 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.

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 ...

Gypsum Board — (Classified or unclassified) — Supplied in sheets nom 2 by 4 ft to 4 by 12 ft, by nom 5/8 in. thick. Min weight 2.0 psf. Applied perpendicular to steel roof deck direction with adhesive or laid loosely. End joints to occur over crests of steel roof deck with end joints staggered 2 ft in adjacent rows.

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 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.

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.
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