1 4 Densdeck Prime Roof Board

Superior dimensional stability over competitive gypsum fiber boards is due to their low coefficient of thermal and hygrometric expansion.

1 4 densdeck prime roof board. The 1 architecturally specified fiberglass mat gypsum roof cover board for nearly 30 years 1. 4 16 2020 9 55 24 am. Rs 5594 densdeck 2 20 v1 indd created date. Explains how the forces of nature affect roof function and durability.

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. The unique construction of densdeck prime roof boards provides excellent flute spanning and will help stiffen and stabilize the roof deck. Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0. Densdeck roof board 12 64 2 83 4 12 1 86 4 44 2 58 41 18 max.

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. Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks. Long term fire protection of roofing systems is a key concern of the design authority code officials and building owners.

The course discusses the evolution of roofing cover boards. 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. Technical information on this data sheet is intended to be used as a general. 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 greatest risks to roofs aren t always seen. Densdeck roof board glass mat faced gypsum cover board. And states the roof system types specialty systems and attachment options that can be utilized specifically with. Minimum 1 4 6 4 mm densdeck roof board serving as an.

Summarizes the advantages related to the construction process and cost benefits when including a cover board.