Gypsum Plank Roof Deck

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.

Gypsum plank roof deck. This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate. Retrofitting reroofing poured gypsum decks. 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. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.

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. Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks. Densdeck roof boards are easy to install in all types of roof systems and are an ideal product for direct membrane application.

Decking that will be discussed is called gypsum roof decking. Gypsum concrete roof deck system. Gypsum planks also come in other sizes. Introduced as a roof deck substrate in the 1940 s.

It provides exceptional bond and low absorption in adhered systems and offers sustainable design for all types of roofing systems including single ply fluid applied built up spray foam metal and modified bitumen roofing. Formboards placed between the bulb tees contain the fast setting poured gypsum roof deck. Gypsum roof decking 2 1 gypsum plank roof decking figure 1 2 1 1 gypsum planks are normally 2 inches thick 2 feet wide and 8 feet long and are factory laminated of two gypsum panels. The bulb tees which are very strong vertically but quite flexible horizontally provide the long span strength.

Weights vary with the. Structural panel concrete roof deck is versatile and economic option for both low and steep slope roofs. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.

Venting lwic installed over structural concrete and other non venting substrates. Securock brand gypsum fiber roof board s unique fiber reinforced homogenous composition gives the panel strength and water resistance through to the core.