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A Guide to Co-operative Housing: Chapter 8 Choice of Materials

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St. Patrick’s College, Institute of Social Action (ISA)

Chief Editor Gerald E. Clarke

Asphalt shingles are today the most popular type of shingle. Asphalt roofing felt underlies the shingles. Each strip of shingles overlaps the strip below by about six inches. Before putting down the felt, the wood sheathing is checked for nail heads that may be left sticking up to puncture the felt.