A concrete fastener is a screw, bolt system, or other fastening technique, designed to attach any non-structural object to a section of concrete. The concrete can be in the ground, or it can be part of a wall or other standing structure. There are an unlimited number of uses for a concrete fastener.

Concrete fasteners and concrete anchors are structurally and linguistically the same thing, the term “fastener” is used when descri (more…)

In the discussion of metal roofing (see Metal Roofing: A Buying Guide), the word "metal" covers a lot of ground. Several metals are used for roofing materials: steel, stainless steel, aluminum, copper and zinc alloys. Each has different properties that affect durability, price, and appearance.

Steel, used for most metal roofing, is heavier and sturdier than aluminum. Manufacturers have settled on a number of durable co (more…)