Roof Shingles Bowing

Follow the manufacturer s recommendations for ventilation requirements.

Roof shingles bowing.

Carefully lift the upper shingle and secure the new shingle with roofing nails. The shingles on your roof serve a dual purpose. Use an asphalt saturated felt shingle underlayment to cover the decking materials before applying the shingles. This is the result of poor ventilation a.

I had my shingle roof replaced a couple of weeks ago using 25 year shingles and 30 lb. Roof shingles are not lying flat. If you notice a shingle starting to curl you can forestall the inevitable curling by gluing down the curled section. Cedar shingles bowing and cupping i use a perforated tar paper program pressure treated lattice stainless 2 staples just above the next course but line and a grade r r s at a 4 exposure.

Home structural roof sagging. This article describes shingle shake or slate type roofing made of rubber usually recycled rubber tires possibly using granulated or crumb rubber or in some cases actual pieces of recycled rubber tires. I m close to 10 houses done with this program over years with out an issue. Lumpy bumpy or curling shingles that do not.

Over time the cumulative effects of sunlight moisture and changes in temperature can cause asphalt roofing shingles to curl or cup. Sagging bowed or wavy roof check the attic for 6 things. Repair of curled cupped roof shingles. I e the original roof was a light wood shingle roof and the new replacement roof is a concrete tile roof weighing 5 or 10 times more than the original roof.

As asphalt shingles get older their corners often begin to curl downward or upward. Those ripples bumps can be pressed down easily which suggests that there is space between the shingle and decking i e shingles are not properly supported by the decking where there are ripples. If the roof has. Rubber roof shingles rubber slates sources defects inspections rubber shingle product sources installation defects repairs synthetic roof repairs plastic or synthetic roof inspections.

Finally i have heard of very cheap asphalt shingles swelling and buckling from moisture absorption but this should not be the case with a name brand shingle unless you got a defective batch. You might have to add exhaust fans to adequately ventilate the attic space and remove built up moisture. Then the beam or roof may sag. Ask your roofing contractor or the roofing supplier how to submit a claim.

They give the roof a finished look while forming a protective seal.