Does the GAF roofing system really last longer than tar paper and shingles?
YES! The Deck Armor Membrane is 300% stronger than tar paper. Deck Armor is a woven fabric which breaths allowing moisture to escape. This prevents the trapping of ice and water under your shingles as happens with tar paper and shingle roofs. Trapped water and ice under shingles is their enemy and will cut the shingle life to an average of ten years. GAF /ELK is so sure of their roofing systems that they offer 50 year non- prorated 50 year labor and material factory warranties on many shingle styles.
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