This video reviews most popular types of roof underlayment used in asphalt roof installation ( www.asphaltshingles.org ) produced by GAF / ELK roofing - American leading roof manufacturer by volume. 1) Deck Armor breathable synthetic underlayment 2) ShingleMate - basic roofing felt (tar paper) 3) Weather Watch / Storm Guard - ice and water shield.
The roof boards are getting nailed down using 10d coated nails. Board ends will be cut off
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