Roof Board Weight

It s light weight provides ease of handling.

Roof board weight.

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. Oriented strand board osb com ply. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. Sitka spruce douglas fir and southern yellow pine.

The greatest risks to roofs aren t always seen. Securock roof boards are a portfolio of high performance roof boards to meet the needs of your low slope commercial roofing project. Actual weight may vary based on manufacturing location and other factors. 1 4 dens deck roof board.

Typical physical properties test astm densdeck roof board 6 4 mm 12 7 mm 5 8 15 9 mm strength compressive strength psi kpa nom c 473 900 6 205 flexural strength lb parallel min c 473 40 80 100 bending radius ft m max na 5 1 5 8 2 4 12 3 6 moisture. 1 4 spans flute widths up to 2 5 8. 0 80 mm steel sheet. R values 28 tested in accordance with astm c518 spannings.

The table provides the weight of lumber produced from three commonly used tree species. 3 tested in accordance with astm c518 heat flow meter. Densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix. The following table provides the approximate weight dead load self weight per linear foot of the various sizes of dimensional lumber also called structural lumber or finished lumber used in building construction in the us.

Rigid roof insulation board. The weight of roofing constructions above the truss rafter may be estimated with the calculator below. Densdeck roof boards are utilized in a wide variety of roofing systems for new and re roofing applications as gypsum roof cover boards and thermal barriers. 2 tested in accordance with astm c473 method b.

A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof.