Although Atlas’ new high-performance or HP Technology Shingles are no thicker than other architectural shingles, they are warranted to withstand 130-mph winds with four nails per shingle and a 6-inch exposure. A double sealant line offers better adhesion and a 14-inch width creates a 1 1/4-inch nailing area. Cost: $22 to $30 per bundle (three bundles cover a square). Atlas Roofing, 800.388.6134, atlasroofing.com
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