And states the roof system types specialty systems and attachment options that can be utilized specifically with.
1 4 densdeck prime roof board.
Higher wind uplift ratings have been achieved by numerous membrane manufacturers using densdeck prime roof boards in their fm approved con struction designs.
Explains how the forces of nature affect roof function and durability.
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.
Densdeck prime and densdeck duraguard roof boards had flame spread 0 smoke developed 0.
The greatest risks to roofs aren t always seen.
The course discusses the evolution of roofing cover boards.
4 16 2020 9 55 24 am.
The unique construction of densdeck prime roof boards provides excellent flute spanning and will help stiffen and stabilize the roof deck.
Minimum 1 4 6 4 mm densdeck roof board serving as an.
Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks.
2 hour moistureabsorption moisturegainedfrom50 to 90 relativehumidity 1 2 paper faced gypsum board hd fiberboard 3 4 perlite 1 2 perlite 1 4 densdeck roof board 943 1 4 densdeck duraguard roof board 1500 3 919 4 350 compressivestrength maximumpsi 1 2 paper faced.
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.
Superior dimensional stability over competitive gypsum fiber boards is due to their low coefficient of thermal and hygrometric expansion.
Long term fire protection of roofing systems is a key concern of the design authority code officials and building owners.
Densdeck roof board 12 64 2 83 4 12 1 86 4 44 2 58 41 18 max.
1 aia lu hsw 1 aibd p ce 0 1 iacet ceu.
Densdeck roof board glass mat faced gypsum cover board.
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.
Rs 5594 densdeck 2 20 v1 indd created date.
The 1 architecturally specified fiberglass mat gypsum roof cover board for nearly 30 years 1.
Summarizes the advantages related to the construction process and cost benefits when including a cover board.
