Study: 10-year-old asphalt shingles don't protect against hurricane winds
The state’s most popular roofing material — asphalt shingles — are taking a beating with potential consequences for millions ...
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Cutting notches and drilling holes in joists
When working on domestic property electrical contractors are likely to encounter a variety of types of floor and ceiling joists ... 0.125 times the depth of a joist; and • not be cut closer to the ...