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Freeze-Thaw Damage and Your Roof in Late Winter

Home Improvement

Date: Feb 15th, 2026

February in Northeast Ohio brings one of the most damaging weather patterns for residential roofs: the freeze-thaw cycle. As temperatures swing above and below freezing throughout late winter, this repeated expansion and contraction can silently compromise your roof’s integrity.

Understanding the Freeze-Thaw Cycle

When snow and ice on your roof melt during warmer February days, water seeps into tiny cracks in roofing materials and underlying structures. When temperatures drop overnight, that water freezes and expands with tremendous force, widening existing cracks and creating new vulnerabilities. Each freeze-thaw cycle can expand cracks by up to 9%, meaning a hairline crack in January can become a significant opening by March.

Vulnerable Areas and Warning Signs

Flashing around chimneys, vents, and skylights experiences the most stress as expanding ice pushes against sealants and metal joints. Shingles themselves can develop lifted edges or complete breakage, while valley areas where two roof planes meet are especially susceptible.

Watch for these warning signs: granules from asphalt shingles collecting in gutters, dark spots or water stains on interior ceilings, visible shingle curling or cracking, and loose or missing shingles after winter storms.

Why February Inspections Matter

Late winter presents an ideal window for roof inspections. Identifying freeze-thaw damage now allows time for repairs before spring’s heavy rains arrive. Professional inspections can reveal subtle damage that homeowners typically miss, preventing minor issues from escalating into major structural problems. Quality roofing materials and proper installation also reduce freeze-thaw vulnerability.

Schedule Your Inspection

S & D Improvements has been serving Stark, Summit, and Tuscarawas counties since 1998. Schedule your free roof inspection today at 330-497-9669 or visit us at 1630 Keuper Blvd NE, Massillon, OH 44646.