Roof Shingles Curling Up Edges

Three reasons for premature curl are.

Roof shingles curling up edges.

Place an extension ladder against the edge of the roof and extend the upper portion so the uppermost rung is at least 30 inches above the edge of the roof. Simply put your roof just might be too old. Additional heat on the bottom side of shingles can cause them to wear prematurely fade and curl. The shingles on your roof serve a dual purpose.

The overheating speeds up normal deterioration of the shingles. Lumpy bumpy or curling shingles that do not lie flat can be problematic but. Put on work gloves. Curling shingles will expose the roof underneath which could cause further damage to your house.

Curling roof shingles as shown here will show a curling under at the edges of the shingle tab first at the lower edge and sometimes also at the two sides of the shingle tab. It s important to have proper ventilation which regulates the intake and outtake of air in your attic and keeps your shingles at an ideal temperature which will lessen the chance of them curling. It should come in through the soffit and and rise out of vents at the ridge of a roof. Curling is the most common of problems with roof shingles.

Additional heat on the bottom side of shingles can cause them to wear prematurely fade and curl. Click to enlarge any image. When plywood or osb sheathing picks up moisture it expands. The page top photograph of curled roof shingles shows a worn out roof that needs replacement as soon as possible.

It s important to have proper ventilation which regulates the intake and outtake of air in your attic and keeps your shingles at an ideal temperature therefore lessening the chance of curling. Curling is when the corners of the shingle come loose and curl up. If the sheathing is properly gapped then the gaps can close causing the shingles spanning the gap to buckle. If you have an asphalt roof that was done more than 12 15 years ago and the shingles are curling it s probably time to get it re roofed.

The most common cause appears to be movement in the roof sheathing with changes in moisture levels. When you notice shingles on your home with edges curling up or down it s a sure sign that the roof is near the end of its useful life. Access the roof and. Poor attic ventilation roofs get hotter and have excessive moisture rising up under the sheathing when there is inadequate air flow.

If you can t afford to replace the roof just yet monitor the area for signs of a leak before calling for roofing estimates or installing a new roof yourself.