Attic Too Hot For Shingles

Asphalt shingles on a roof with insulation at the roof deck and no ventilation are hotter than shingles on a vented attic.

Attic too hot for shingles.

Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees. Fsec did a literature review of the research on the need for attic ventilation and found that shingle temperatures are slightly higher but lifetime is not much lower. While the sealant will still activate it will not harden immediately. Shingle seal down adhesives will also soften as shingles get hotter making them harder to separate.

Compared to an uninsulated roof the average temperature in shingles above insulated sheathing ranged from two degrees to nine degrees fahrenheit hotter well within specifications cited by shingle. If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home. Shingles tend to separate easier when pulled from the bundle granule side up. Ridge vents help.

An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be. Recommendations for heat similarly it can be too hot to properly install and seal the shingles. Uring roof loading and once on the roof keep shingle bundles flat.

Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer. Tell if your attic is too hot take its temperature. In addition hot air in your attic could increase moisture levels which could result in wood rot and mold growth. If the sun is especially hot the adhesive on the roofing may also dry out before you can get the roofing properly lined up and placed.

Note excessive heat. If you attempt to install roofing when the temperature is too warm for installation shingles shakes and other materials may soften making them more difficult to handle. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature. In order for shingles to sit and form properly it should be at least 36 degrees fahrenheit 2 2 celsius outside when laying shingles.