Squares
15
Bundles
45
Underlayment rolls
4
Total cost
$2462
Roof type
Gable adds 10% waste. Complex roofs with hips, valleys, and dormers add 15-20%.
Roof pitch
Roof footprint (top-down)
ft
ft
Measure the building footprint from the ground (top-down). The pitch factor accounts for the angled roof surface.
Cost
$
Architectural shingles run $100-150/square. 3-tab is $80-100. Premium designer shingles can hit $200+.
Full materials list
Footprint1200 sq ft
Actual roof area1342 sq ft
With 10% waste1476 sq ft
Squares15
Bundles (3/square)45
Underlayment rolls (1/4 sq)4
Drip edge (10' pieces)14
Ridge cap bundles2
Shingles$1800
Underlayment$300
Drip edge$112
Ridge cap$130
Nails (1 box/4 sq)$120
Total materials$2462
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