Extreme Attic Heat And Shingle Life

Heat from the sun isn t your roof s only enemy.

Extreme attic heat and shingle life.

If your home has an attic or overhead crawl space heat rising up from below can cause blisters and cracks in asphalt roofing shingles. High temperatures inside your attic shorten the life span of shingles. The roof still is gaining and loosing heat. Throughout the balance of this digest the terms attic and roof will and can be used interchangeably.

When heat transfer from the attic is reduced the result. In this roof guide we discuss problems caused by heat and moisture the value of attic ventilation and how an attic fan can extend the life of a roof and protect trusses and the roof deck as well. Holiday decorations can be damaged by the extreme heat in attics says santoro delicate fabrics and items that are painted are particularly prone to damage when stored in the attic and plastic decorations like ornaments may melt or warp in the heat. Extreme cold severe storms excessive rain and of course the heat from the sun can cause some very notable damage to our home or commercial buildings roofing system.

In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof. Excessive heat deteriorates items you store in the attic and can cause moisture problems in your house. The cause is often excessive heat or moisture in the attic problems that can be resolved with the installation of an attic vent fan. Sealed attics trap excessive heat and moisture which can lead to reduced shingle life.

Attic breeze helps extend the life of your attic insulation by continuously removing attic heat and moisture throughout the day. Worst yet the heat buildup is not just a summer concern. Take its temperature. Your holidays might just be a lot less merry this year if you ve been storing your decorations in the attic.

A sealed attic will trap excessive heat and moisture causing extreme heat buildup on the roofs surface which can in turn lead to reduced shingle life. In the winter hot air trapped in the attic can melt snow on the roof during the day and then refreeze at night creating ice dams. When attic areas are poorly ventilated excessive heat can cause blisters to form especially on newer roofs. And the extra heat is not just a summer concern come winter hot attic air can melt snow on the roof.

The radiant barrier is basically just directing the same amount of heat away from the attic and the attic.