Important Facts You Need To Know About Flat Roofs Repair And Restoration

White roofs reduce the amount of heat absorbed by a structure

. Most flat roofs are made of tar, asphalt or EPDM, all of which are dark. All flat roofs should be white.

Dark colored roofs and roads absorb more heat from the sun and transfer heat to the buildings below and around them. This forces the occupants of the buildings to use additional air conditioning. The use of any cooling not only draws more power to the building, but also taxes the entire electrical grid. More coal, gas or oil must be burned to support the additional power usage.

In an urban environment the exhaust from air conditioners can affect the outside temperature by as much as 6-8 degrees. You cannot notice it with one air conditioner but with thousands in a city the effect can be measured.

This collective increase in tempreture surrounding urban environments is called the heat island effect. In its own way, the heat increase is a cycle. The hotter it gets, the more power people use, the more exhaust is displaced and the hotter it gets!

Heat Island research is conducted to locate, understand, and implement solutions to the summer warming trends occurring in urban areas. The Heat Island Group focuses on the study and development of reflective surfaces for buildings and roadways. The Heat island Group demonstrates potential energy savings through the use of cool roofing technologies.

A cool roof is a specially designed roof with a reflective coating that pervents the solar radiation from seeping into the structure of the building. Studies show that a cool roof can prevent as much as 68% of the sun's energy from reaching the building structure.

In addition to this, many cool roofing products are elastomeric which allows them to waterproof and seal any existing roof.

Even if you have an old roof whose surface is breaking down, a liquid applied membrane installed by a professional roofing contractor can not only help you reduce your electric bill, it can also restore your existing roof without the need to remove all the old roofing materials.

by: Robert Mack

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