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Solar installer placing a lag screw through flashed mounting hardware into the center of a roof rafter
By Ikechukwu Onuoha · Oct 30, 2026Electrical & Computer Engineering background | 5+ years in solar | 1+ MW installed | OSHA-10 certified | Sales platform developer, including SolarEnergyReality.com. Involve me in your next project!

Solar Installation Safety: Why Proper Lag Screw Placement Into Roof Rafters Matters

Learn why accurate rafter location, correct pilot holes, proper lag-screw angle, and verified structural engagement are essential for a safe solar roof installation.