Lowe’s has several Owens Corning architectural roof shingle styles on sale, with bundles starting at $41.48. Buying 39 or more bundles adds an extra 10% off, useful for larger roofing projects. All the styles carry a limited lifetime warranty and algae resistance, with wind ratings up to 130 mph. Choose in-store pickup to dodge the $5.99 shipping fee, or get free shipping with orders of $25 or more by signing up to MyLowe’s Rewards. (It’s free to join.)

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