Why Do My Roof Shingles Curl

Insufficient attic ventilation one of the top reasons why roof shingles curl is that your attic doesn t have enough ventilation.

Why do my roof shingles curl.

The result of inadequate venting is moisture and heat being trapped in your attic. For this reason opt for shingle removal before a new set of shingles is added over an. A roof ventilation system works by pulling in outside air from intake vents placed on the lower part of the roof. Over time the cumulative effects of sunlight moisture and changes in temperature can cause asphalt roofing shingles to curl or cup.

Allow us to explain likely reasons. Curling is a natural process that reflects the continual barrage of the sun s ultraviolet rays and weather effects like rain on wood. If your roof has maxed out its useful life and nearly all the shingles are curling you are likely in need of full roof replacement. Lumpy bumpy or curling shingles that do not.

If the roof has. However if your shingles are curling excessively or a significant number of shingles are starting to curl it s important to take action. Roofs with multiple layers of shingles are more likely to trap heat and force the material to curl sooner than it should. You ve likely figured it out curling shingles on your roof aren t a good thing.

Some materials now have lifetime warranties but that doesn t mean they did 10 years ago. Replacement is the only solution for this problem. Roof shingles are not lying flat. Either way this is a sure way for your shingles to curl.

Why does my cedar roof curl. They give the roof a finished look while forming a protective seal. When heat and moisture get trapped in your attic the shingles are basically baked from the inside out. If this is occurring at your home you re probably wondering why it s happening.

Why do asphalt shingles curl. The last winter was extremely cold shingles may begin to curl when the weather changes during the. The air that is taken in is displaced through higher parts of the roof. If your roof is over 15 years old and the shingles are starting to curl it s a sign that the materials are old and that the home needs a new roof.

Additional heat on the bottom side of shingles can cause them to wear prematurely fade and curl. Of course our roofs protect us from the weather but unfortunately nothing protects our roofs from the weather. Repair of curled cupped roof shingles. The shingles on the second layer of the roof won t be as secure and are easily blown and curled by high winds.