History Of Gypsum Roof Deck

Deteriorated gypsum deck deck repair sequence 2.

History of gypsum roof deck.

Picture story of gypsum roof materials required 1. Including a high performance roof board in your roofing system is essential to the protection of the building and the valuable contents inside. Gypsum concrete roof deck system. Only gravity load and wind uplift loads were considered.

Bags of gypsum concrete 3. Therefore many poured gypsum roof decks were not designed and installed with diaphragm shear strength in mind. Nrdca 600 guideline for application of cementitious wood fiber roof deck systems. It was not until 2 years later in 1945 that we knew the 2 500 000 sq.

These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. Galvanized wire mesh removing deteriorated gypsum deck 4. Of poured roof deck in oak ridge tennessee was for the manhattan project. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.

In the 1950 s new construction methods came in the way of new types of roof decking and dead level roof systems. Many of these installations continue to perform and provide support to roofing materials that have been added over time. 1946 a new name. 1943 ambitious decisions lead to a historic project with savvy salesmanship from johnson the company is awarded the largest gypsum roof deck job in the company s history.

Nrdca gypsum roof deck repair replacement procedure. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Venting lwic installed over structural concrete and other non venting substrates. History gypsum cast over formboards and structurally supported by bulb tees or truss tees was introduced as a roof deck substrate in the 1940 s.

Using the roof deck as a structural diaphragm was a california development and worked its way across the nation in the late 1950 s and early 60 s. Metal roof decking and gypsum roof decks were more prevalent and required a roof insulation overlay. This was a cost effective way of construction back then and today. Picture story of gypsum roof deck repair sequence.

Cutting section from deck. With its combination of fire resistance strength and dimensional stability industry professionals count on densdeck roof boards to enhance the performance of their roofing systems.