eTools Shingles Roofing
A roof is a building's most important layer of defense against water, wind, and sun.
Roof Square Ft Divided by 30 = Bundles you will have to buy.
Average Shingle Bundle Bag is in 30 SQFT. You will need 3 Bags to cover 100 Square ft
Roof Square Ft.:
Add 8% to 10% as waste
Calculator Results: Number of bags needed:
Important Disclaimer: This calculator is provided for general information and illustration purposes only; the results are to be used only as estimates and are not intended as definitive advice or as a resource applicable to any specific circumstance and should not be relied upon or used as such.