Gypsum Roof Deck

Publication date 1920 usage attribution no derivative works 3 0 topics gypsum roof deck roofing division 07 thermal and moisture protection publisher united states gypsum co.

Gypsum roof deck.

Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Keydeck woven wire mesh is commonly used in repair of poured gypsum roof decks. Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems. It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks.

Pyrofill monolithic gypsum roof deck by united states gypsum co. The fiberglass mat faced noncombustible as described and tested in accordance with astm e136 nonstructural gypsum core panels provide superior fire resistance and protection from hail damage and hold up well under normal construction and maintenance foot traffic while stiffening and stabilizing roof decks. This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate. Formerly known as pyrofill gypsum concrete securock brand gypsum concrete patch is a high performing gypsum patch solution that delivers a professional finish on a variety of poured roof 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. Gypsum concrete roof deck system. The top of the metal banded material will look like white sheet rock. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.

Picture story of gypsum roof deck repair sequence nrdca 600 guideline for application of cementitious wood fiber roof deck systems technical bulletin 1001. Exceptional strength excellent fire performance and the versatility to patch many decks such as gypsum roof decks. Poke too hard and the tool will go through the deck. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.

Introduced as a roof deck substrate in the 1940 s. Gypsum deck from underneath. Westpro offers woven wire mesh used in monolithic roof decks and interstitial service space applications. The bulb tees which are very strong vertically but quite flexible horizontally provide the long span strength.

Many of these installations continue to perform and provide support to roofing materials that have been added over time.