Securock roof boards are a portfolio of high performance roof boards to meet the needs of your low slope commercial roofing project.
Roof board weight.
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.
0 80 mm steel sheet.
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.
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.
Densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix.
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.
2 tested in accordance with astm c473 method b.
The greatest risks to roofs aren t always seen.
Actual weight may vary based on manufacturing location and other factors.
The table provides the weight of lumber produced from three commonly used tree species.
It s light weight provides ease of handling.
1 4 spans flute widths up to 2 5 8.
Rigid roof insulation board.
When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.
R values 28 tested in accordance with astm c518 spannings.
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.
3 tested in accordance with astm c518 heat flow meter.
Oriented strand board osb com ply.
The weight of roofing constructions above the truss rafter may be estimated with the calculator below.
1 4 dens deck roof board.
Sitka spruce douglas fir and southern yellow pine.