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Drywall:  Working Walls

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Working Walls

Key Features:
  • Removes formaldehyde and other VOCs from air.
  • Completely recyclable.
  • Cover with water-based paint or permeable wallpaper.
  • Works through multiple paint layers.
  • $19 for a 4' x 8' x 5/8" thick sheet.
  • Pricing as of 2012.
Ask For:
  • AirRenew gypsum board
Learn more about CertainTeed:
by Deborah Holmes, Ebricks.com
Instead of worrying about your remodeling or building project adding volatile organic compounds to your home, consider using a wallboard that actually scrubs the air clean. CertainTeed's new AirRenew does just that.

The wallboard (which looks and installs like the conventional product) works its magic by trapping harmful VOCs in its gypsum core and converting them into inert compounds.

Once converted, the VOCs remain inert, even if the wallboard is burned, recycled or disposed of in a landfill. The gypsum core is made from the by-product of coal-fired power plants, and recycled paper covers the core.

While the wallboard won't remove all the VOCs in the air, it's particularly effective against formaldehyde and other aldehydes, the most common clean-air villains in homes.

If you think your home doesn't have VOCs because you haven't remodeled with plywood or particle board recently, think agin. They're found in many common household items including cleaning materials, perfumes, hairsprays, treated fabrics, paints, strippers, solvents, glues, urea foam insulation, carpets and furniture.

The wallboard doesn't stop at trapping and converting VOCs, it also contains moisture and mold inhibitors. It can be finished with water-based acrylic or epoxy paints or breathable wallpaper, and continues to scrub the air even through 25 coats of paint.

While the wallboard isn't old enough to have stood the test of time, Certainteed claims that AirRenew actively traps and converts gasses for 75 years.

Expect to pay about $19 for a 4' x 8' x 5/8" thick sheet, compared to about $12 for conventional gypsum board.

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