Roofing Material On Hot Roof Closed Attic Systems

A hot roof is one where there is.

Roofing material on hot roof closed attic systems.

This under the roof application involves installing a reflective material such as aluminum or even a specialized reflective spray treatment that s installed into an attic or space between a home s interior and the roof. When your attic is filled with spray foam insulation to create a hot roof your attic s temperature rises because the thermal envelope is shifted to the underside of your roof because ventilation is not present. A technology on the flipside of an overlay is a roof underpinning or sub roof system called a radiant barrier. Unfortunately the term hot roof is a misnomer as the roof really is not that much hotter than a normal roof.

Warranties on hot roofs. The most commonly chosen and installed roofing system. Industry studies show that shingle temperature is only raised by a few degrees with a hot roof. In hot climates where cooling expenses form the bulk of homeowners energy bills energy efficient aluminum roofing systems include an integral airspace between the metal panels and the decking.

Here are some of the pros and cons of each type of roofing system. The theory behind a hot roof system is that rather than allowing heat to escape through your roof you contain it in your attic space which can save on utility costs in theory. Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.