Extreme Attic Heat And Shingle Life

The heat that would normally be absorbed by the insulation is now being bounced back to the roof deck and causing the roof to emit more heat upward rather than both upward and downward.

Extreme attic heat and shingle life.

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. 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. Heat from the sun isn t your roof s only enemy. Excessive heat deteriorates items you store in the attic and can cause moisture problems in your house.

By taking some preventative measures and hiring professional roofers you and your roof will be able to stand the best chance you can against the sizzling summer heat. And by lowering the average temperature in the attic your insulation actually works better and becomes more effective at reducing heat transfer into your home. Take its temperature. 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.

The cause is often excessive heat or moisture in the attic problems that can be resolved with the installation of an attic vent fan. The roof still is gaining and loosing heat. If your home has an attic or overhead crawl space heat rising up from below can cause blisters and cracks in asphalt roofing shingles. 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.

Worst yet the heat buildup is not just a summer concern. High temperatures inside your attic shorten the life span of shingles. When heat transfer from the attic is reduced the result. Your holidays might just be a lot less merry this year if you ve been storing your decorations in the attic.

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. 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. And the extra heat is not just a summer concern come winter hot attic air can melt snow on the roof.

When attic areas are poorly ventilated excessive heat can cause blisters to form especially on newer roofs.