The most popular roofing material in residential construction is asphalt shingles, mostly because of their low cost and simplicity of installation. Warranty periods for asphalt shingles often span 20 to 50 years. More expensive architectural or laminated shingles can have warranties of up to 50 years, whereas basic three-tab shingles often have 20 to 30 years. These guarantees often cover manufacture flaws, but they could not cover damage from bad installation or extreme weather. It…