roof underlayment for shingles

Why Roof Installation Quality Matters More Than Shingle Brand: The 5-Point Substrate Checklist

• September 8, 2026
• admin

When planning a pitched roof, homeowners and architects often spend weeks comparing shingle brands, dimensional profiles, and color blends like Weathered Wood and Dual Black. Selecting globally certified shingles from manufacturers like IKO or BP Canada is essential, but it is only half the equation. In roofing engineering, there is an industry axiom: A roof …