Local climate

How Southern Sun and Humidity Affect Shingle Flexibility

Why Georgia's sun and humid summers matter for the flexibility of asphalt shingles.

4 min readUpdated October 15, 2026

Southern home with a shingle roof under bright sun beside a live oak draped in Spanish moss

Strong Southern sun and long, humid summers put steady stress on asphalt shingles. Over time, shingles lose flexibility. Rejuvenation helps restore it, and the treatment is backed by a 5-year transferable warranty. See roof rejuvenation.

Why flexibility matters

Flexible shingles can move with heat and cooling. Stiff, dry shingles are more likely to crack, curl and shed granules.

The Southeast Georgia factor

From Middle Georgia down to the Florida line, roofs face hot sun much of the year, plus heavy humidity and frequent summer storms.

Helping shingles stay flexible

A bio-based corn seed oil rejuvenator helps restore flexibility to dry shingles. request an estimate to see if your roof qualifies.

Frequently asked questions

Does humidity dry out shingles?

Sun and heat are the main drivers of drying, and humid summers add to the stress roofs face in this region.

Can flexibility be restored?

Rejuvenation is designed to restore flexibility to dry asphalt shingles.

Learn about Roof Rejuvenation

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