Asphalt naturally repels water. It's a readily available commodity as long as we continue to use petroleum. Asphalt is a by-product of refining crude oil; it's what's left over after the ...

Our government is killing the salmon and whales by letting asphalt off roofs go from downspouts off buildings right into the storm drains and into Puget Sound and the ocean. Biologists have said the ...

The state’s most popular roofing material — asphalt shingles — are taking a beating with potential consequences for millions of homeowners. Ten-year-old asphalt shingle roofs can’t withstand winds of ...

Shingles are most often associated with roofing or siding and, in one rare instance, with cuisine - the infamous "SOS." Although by definition shingles can be wood, metal, slate, asphalt, fiberglass, ...