Densdeck prime and densdeck duraguard roof boards had flame spread 0 smoke developed 0.
1 4 densdeck prime roof board.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.
The course discusses the evolution of roofing cover boards.
Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks.
Explains how the forces of nature affect roof function and durability.
Learn how adding a densdeck prime or densdeck stormx prime roof board to your roof assembly can help thwart the common damage inflicted by water wind fire puncture and more.
1 4 6 35 mm densdeck prime roof board has been tested at fm approvals for 60 psf and 90 psf wind uplift for bur epdm thermoplastics and modified bitumen roof systems.
The unique construction of densdeck prime roof boards provides excellent flute spanning and will help stiffen and stabilize the roof deck.
Densdeck roof board glass mat faced gypsum cover board.
Summarizes the advantages related to the construction process and cost benefits when including a cover board.
Densdeck prime roof board enhanced coated glass mat faced gypsum cover board rs 5595 2 20 replaces 6 19 meets the requirements of astm c 1177 note.
Higher wind uplift ratings have been achieved by numerous membrane manufacturers using densdeck prime roof boards in their fm approved con struction designs.
Additionally densdeck prime has been shown to withstand de lamination deterioration warping and jobsite damage more effectively than roofing membrane substrates such as paper faced gypsum board.
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Densdeck roof board 12 64 2 83 4 12 1 86 4 44 2 58 41 18 max.
Long term fire protection of roofing systems is a key concern of the design authority code officials and building owners.
And states the roof system types specialty systems and attachment options that can be utilized specifically with.
Superior dimensional stability over competitive gypsum fiber boards is due to their low coefficient of thermal and hygrometric expansion.
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Technical information on this data sheet is intended to be used as a general.
Minimum 1 4 6 4 mm densdeck roof board serving as an.
The greatest risks to roofs aren t always seen.
