Tpo Roof Assembly With 5 8 Type X Gypsum Board
Ul classified for fire resistance ansi ul 263.
Tpo roof assembly with 5 8 type x gypsum board. Astm e119 and listed under ul file no. Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price. The original 5 8 in. Certainteed type x gypsum board has a flame spread rating of 15 and smoke developed rating of 0 in accordance with astm e 84 ul 723 ubc 8 1 nfpa 255 can ulc s102.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0. Tpo roofing systems 101. Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope. For 5 8 securock gypsum fiber a tool such as a circular saw will be necessary.
For thicker boards like securock 1 2 gypsum fiber two scores will be necessary. Gypsum panel end joints located midway between continuous channels and attached to additional pieces of channels 54 1372 mm long with screws 12 305 mm. 5 8 densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix. 610 mm with 1 25 4 mm type s drywall screws 12 305 mm o c.
Shown to withstand delamination deterioration warping and job site damage far more effectively than paper faced gypsum board and other conventional roofing products such as wood fiberboard and perlite certified by ul for use as a fire barrier over combustible and noncombustible decks in accordance with the ansi ul 790 and ulc s114 test standard. No securock roof boards will cut with ordinary utility knifes using a score an snap method. 15 9 mm type x panels for interior wall and ceiling applications sheetrock brand firecode x panels ul type scx are 5 8 in.