How to keep shingles from blowing off the roof?

Keeping shingles from blowing off the roof requires a combination of proper installation techniques, quality materials, and ongoing maintenance. Start with correct installation per manufacturer instructions, which is the most critical factor. Use 6 nails per shingle in high wind zones instead of the standard 4, placing nails exactly on the designated nailing line, driven flush with the shingle surface, not cutting into the mat. Install a proper starter strip at eaves and rakes, as this locks down the first course. In cold weather installations below 50 degrees, hand-seal each shingle with quarter-sized dabs of asphalt roofing cement under tabs, as factory sealant may not activate until warm weather. Choose shingles with high wind warranties, such as 130 mph or 150 mph rated architectural shingles, and consider Class 4 impact resistant shingles that are heavier and more wind resistant. Ensure adequate attic ventilation with continuous soffit intake and ridge exhaust to prevent heat buildup that weakens sealant bonds. Maintain the roof by annually inspecting for lifted tabs and resealing them with roofing cement, keeping gutters clean to prevent ice dam lifting, and trimming overhanging branches that can catch wind. If your roof is over 20 years old, sealant may be failing, and proactive replacement before hurricane season is the best way to prevent widespread blow-off.