This overview identifies nine critical rooftop mounting mistakes and provides clear, actionable best practices for a secure, leak-proof solar installation. A successful installation begins long before any equipment touches your roof. Unlike traditional methods that involve drilling holes and potentially causing damage to the roof, Solar Stack utilizes a spray polyurethane foam adhesive to. . To successfully affix flexible solar panels onto a roof, a methodical approach is essential. Assess the roof surface to ensure compatibility, 3. A single mistake can compromise your roof's integrity, leading to costly leaks and water damage.