Ads
related to: cost of underlay per m2 sheet
Search results
Results From The WOW.Com Content Network
Single coverage thicknesses range from 55 to 90 pounds per square (100 sq. ft.) for single-coverage; Double coverage range from 110 to 140 pounds per square. [4] Fibre content: mixed rag fibre - lowest cost, shortest life; all plastic fibres; fibreglass - longest lived; Bitumen: bitumen - stiffens & hardens in winter, cracks in time
The weight designations originated with organic base felt weighing 15 or 30 pounds per 100 sq. ft. (6.8 kg or 14 kg per 9.3 m 2). However, modern base felts are made of lighter-weight fibre, so the weight designations, though common colloquially, are no longer literally accurate. [ 2 ]
Gypsum concrete is lightweight and fire-resistant. A 1.5-inch slab of gypsum concrete weighs 13 pounds per square foot versus 18 pounds per square foot for regular concrete. [10] Even though gypsum concrete weighs less, it still has the same compressive strength as regular concrete, based on its application as underlayment or top coat flooring ...
Polyethylene plastic sheet, 4 or 6 thou (0.10 or 0.15 mm), 0.03 US perm (1.7 SI perm). Advanced Polyethylene vapor retarders that pass the ASTM E 1745 standard tests ≤0.3 US perm (17 SI perm). Asphalt-coated kraft paper , often attached to one side of fiberglass batts, 0.40 US perm (22 SI perm).
In general, it is a layer which is underneath another layer, [2] so underlay is thus also used to describe many different surface-covering products. In vinyl flooring or "linoleum", the underlay is the thin layer of plywood that is fastened over the structural subfloor to create a uniform, smooth platform for the sheet vinyl. For laminated wood ...
Underlayment may refer to: Underlay , a material placed underneath floor carpet, other flooring materials, or mattress bedding Underlayment, a water-resistant or waterproof layer used beneath many types of commercially available roofing material