Shingles for a 40×60 Roof
A 40×60 footprint at a 6/12 pitch is about 26.8 roofing squares — roughly 89 bundles of architectural shingles plus 7 roll of underlayment. Set your real pitch below.
Shingle bundles
89 bundles
Roof area
2,683 sq ft2,400 sq ft footprint × 6/12 pitch
Roofing squares
26.8 squares1 square = 100 sq ft
Shingle bundles
89 bundles3 bundles/square + 10% waste
Underlayment
7 rolls30# felt, 400 sq ft/roll
Shingle cost (est.)
$2,937~$33/bundle architectural
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