440 SoundBarrier® is a special-density, structural board made from 100 percent environmental Homasote® cellulose fiber, a homogeneous composition manufactured with uniformly distributed protection against termites, rot and fungi and resistance to moisture. It also insulates, with twice the R-value of wood.
Poly-covers are guaranteed to be full weight, full measure and thickness. Heavy-weight plastic provides thorough coverage where you need it. Compliant with ASTM D-4397-84 and NBS PS17-69 specifications.
The FatMax 48 in. non-magnetic level has an accuracy of 0.0005 inches. The MaxEdge cover the vial for a smooth consistent level surface. A single piece of aluminum is used in this levels construction.
