Roof Shingles Curling Up

Installing new shingles over old ones.

Roof shingles curling up.

Poor attic ventilation roofs get hotter and have excessive moisture rising up under the sheathing when there is inadequate air flow. 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. Lumpy bumpy or curling shingles that do not lie flat can be problematic but. Simply put your roof just might be too old.

Shingles weren t lined up properly there s an adhesive strip called a tar line on each shingle. The shingles on your roof serve a dual purpose. Old age one of the most common causes of curling shingles is age. The most common cause appears to be movement in the roof sheathing with changes in moisture levels.

Lift the lower edge of the shingle above the damaged shingle enough to access the roofing nails that secure the. Slide the damaged. Place an extension ladder against the edge of the roof and extend the upper portion so the. There s several reasons some of them legal as to why installing a second.

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. You can repair curling shingles on your roof. Shingle curling defects occur on both organic mat or fiberglass mat asphalt roof shingles though we see them more often on organic mat shingles. Moisture is detrimental to a roofing system.

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. Put on work gloves. My roof s shingles are curling what s up with that. Repair of curled cupped roof shingles 1.

If the tar line isn t lined up by a professional on each shingle it won t adhere properly. A roof ventilation system works by pulling in outside air from intake vents placed on the. It should come in through the soffit and and rise out of vents at the ridge of a roof. They give the roof a finished look while forming a protective seal.

Curling is the most common of problems with roof shingles. A curling shingle usually indicates a problem with the shingle itself or the way the shingle was installed. Curling is when the corners of the shingle come loose and curl up. If you had a roof replacement recently but kept the same roof decking the wood may have absorbed moisture before the new roof was installed.

Three reasons for premature curl are. Moisture in underlayment and roof decking you may have curling or buckling shingles for a number of reasons but the common denominator is moisture. The overheating speeds up normal deterioration of the shingles.