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Material Comparison

Foam vs Modified Bitumen for Phoenix Flat Roofs

Side by side look at SPF foam and APP modified bitumen on Phoenix flat roofs, with cost per square, R-value, and 20 year recoat math.

Full article publishing in February 2026.

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Related Roofing services in Phoenix

Foam Roof RecoatingRestore the silicone or acrylic topcoat on Phoenix spray polyurethane foam roofs before UV breaks the foam down. 10 to 15 year recoat cycles preserve a 30-year deck.Flat Roof RepairPatch alligatored BUR cap sheets, heat-weld failed TPO seams, and resolve ponding water on the low-slope roofs that cover Phoenix mid-century homes and patio additions.Flat Roof ReplacementTear off failing built-up or modified bitumen and install Carlisle TPO, GAF EverGuard PVC, or a closed-cell SPF foam roof system on Phoenix low-slope homes and additions.

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