OSHA Pulls Back on Public Shaming
OSHA has been backing down on the number of press releases naming alleged safety violators …
In the United States, fiberglass-based asphalt shingles are by far the most common roofing material used for residential roofing applications.
Two basic types of wood shingles are called shingles and shakes. The difference is in how they are made, the shingles are sawn and shakes are split.
Stone or Slate shingles are also called slate tiles, the usual name outside the US. Slate roof shingles are relatively expensive to install but can last 80 to 400 years.