The course discusses the evolution of roofing cover boards.
1 4 densdeck prime roof board.
1 aia lu hsw 1 aibd p ce 0 1 iacet ceu.
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.
Densdeck roof board 12 64 2 83 4 12 1 86 4 44 2 58 41 18 max.
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.
The unique construction of densdeck prime roof boards provides excellent flute spanning and will help stiffen and stabilize the roof deck.
Technical information on this data sheet is intended to be used as a general.
Higher wind uplift ratings have been achieved by numerous membrane manufacturers using densdeck prime roof boards in their fm approved con struction designs.
Densdeck prime and densdeck duraguard roof boards had flame spread 0 smoke developed 0.
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.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.
Explains how the forces of nature affect roof function and durability.
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.
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 roof board glass mat faced gypsum cover board.
Rs 5594 densdeck 2 20 v1 indd created date.
The greatest risks to roofs aren t always seen.
Minimum 1 4 6 4 mm densdeck roof board serving as an.
4 16 2020 9 55 24 am.
