WhichStoreHome Depot vs Lowe's lumber & building materials
Spray Foam: Home Depot vs Lowe's prices
Lowe's was cheaper more often: on 9 spray foam sold at both stores under the same model number, Home Depot had the lower price on 1 (11%), Lowe's on 2 (22%), and 6 (67%) cost the same. Buying one of each would cost about the same at either store ($124 at Home Depot vs $124 at Lowe's). The biggest gap is on the GREAT STUFF 12 oz. Window and Door Insulating Spray Foam Sealant (model 230612): $6.48 at Home Depot vs $6.37 at Lowe's.
9same-model products compared
1cheaper at Home Depot
2cheaper at Lowe's
6same price
Prices checked Oct 31, 2026 10:51 PM ET. Same brand and model number at both stores, sorted by the biggest price gap.
All 9 spray foam compared
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