Energy-Saving Roof Products Merrill WI

As consumers become more energy-conscious and new construction codes emerge, energy-saving “cool roof” products are gaining popularity. Some can lower attic temperatures as much as 30 degrees, giving air conditioners and utility bills a break.

Radiant barrier sheathing installs foil-side down to reflect heat.

Tyvek AtticWrap by DuPont can be installed across rafters to reflect infrared rays, followed by furring strips for ventilation, and roof decking. For low-slope roofing, Certain-Teed recently introduced the CoolStar coating on its Flintglas cap sheet (right). The factory-applied white acrylic coating has an initial solar reflectance of 0.77 and a thermal emittance of 0.92.

“In the renovation market, you may not be able to expand a building much or start from scratch, but you can improve its performance, and that's where a lot of these products come in,” says Joe King, global technology manager for DuPont Building Innovations.

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