Old Roof Shingles Curling

Installing new shingles over old ones.

Old roof shingles curling.

The more elements your cedar roof must protect you from the faster it is likely to age and show curling shingles. Shingle curling defects occur on both organic mat or fiberglass mat asphalt roof shingles though we see them more often on organic mat shingles. Curling shingles will expose the roof underneath which could cause further damage to your house. A roof ventilation system works by pulling in outside air from intake vents placed on the.

Repair of curled cupped roof shingles 1. There s several reasons some of them legal as to why installing a second. Cedar shake siding curling is common and can also be caused by the same factors as your cedar roof. Which means your shingles will eventually curl or could potentially fly off.

Curling or crumbling shingles. Photo courtesy of angie s list member robert n. Curling is when the corners of the shingle come loose and curl up. The page top photograph of curled roof shingles shows a worn out roof that needs replacement as soon as possible.

A curling shingle usually indicates a problem with the shingle itself or the way the shingle was installed. Old age one of the most common causes of curling shingles is age. Put on work gloves. Place an extension ladder against the edge of the roof and extend the upper portion so the.

My roof s shingles are curling what s up with that. So if shingles are curling even if there is only a single layer of roofing tear. 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. Curling is the most common of problems with roof shingles.

The effects of aging are a necessary consequence of having natural material as the roof of your home. 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. The old asphalt shingles on this home were curling prematurely and had to be replaced. Slide the damaged.

A layer of new shingles won t lie flat over curling ones.