1 4 spans flute widths up to 2 5 8.
Roof board weight.
1 4 dens deck roof board.
When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.
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.
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.
Actual weight may vary based on manufacturing location and other factors.
R values 28 tested in accordance with astm c518 spannings.
Securock roof boards are a portfolio of high performance roof boards to meet the needs of your low slope commercial roofing project.
2 tested in accordance with astm c473 method b.
Oriented strand board osb com ply.
Each type of roof board is uniquely designed to help protect your roof when used as a fire barrier thermal barrier coverboard recoverboard or parapet wall.
3 tested in accordance with astm c518 heat flow meter.
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.
Rigid roof insulation board.
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.
Densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix.
0 80 mm steel sheet.
Sitka spruce douglas fir and southern yellow pine.
The greatest risks to roofs aren t always seen.
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.
It s light weight provides ease of handling.
None asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 asphalt shingle or asphalt fiberglass composite shingle 2 7 lb m ft 2 13 2 kg m 2.