#24 MFM Building Products. Ideal for low-slope/low-pitch roofs, versatile Peel & Seal also solves waterproofing problems around chimneys, vents, ducts, skylights, and other irregular features. Composed of a patented laminate of aluminized foil, high-density polymer film, and a thick layer of rubberized asphalt, Peel & Seal is flexible, self-sealing, and energy efficient, and will not crack or dry out from exposure, the maker says. It is available in almond, granite gray, aluminum, or white. 740.622.2645. www.mfmbp.com.

#26 IceStone. IceStone surfaces are made with 100% recycled glass in a cement matrix. According to the firm, the product was the first durable surface in the world to receive McDonough Braungart Design Chemistry’s Cradle to Cradle certification. Suitable for a range of indoor and outdoor applications, including kitchen countertops and backsplashes, bathroom vanities, and patio surfacing, IceStone is strong, heat-resistant, and scratch-resistant, the company says. Twenty-seven standard colors are available. 718.624.4900. www.icestone.biz.

#30 Nuheat. Compatible with the maker’s electric floor-warming mats, the Nuheat Cable System lets users extend radiant floor heating into intricate—even wet—spaces, including shower stalls, benches, saunas, and platforms. The 3/16-inch-thick components make for a minimal increase in floor height, and can be installed under tile, stone, marble, laminate, or engineered-wood floors. The system is energy-efficient, generating just 12 watts per square foot, and can be controlled using the maker’s programmable thermostats. 800.778.9276. www.nuheat.com.

#31 Maxxon. The company has introduced new green formulations for its underlayment materials. The Greenguard-certified, low-emissions products contribute minimal levels of pollutants to indoor environments, the maker says. The green product line includes Gyp-Crete 2000, Therma-Floor, Rapid Floor Plus, and Rapid Radiant. 800.356.7887. www.maxxon.com.

#32 Cooper Lighting. Halo dimmable compact fluorescent downlights are Energy Star-rated, and the 26- and 32-watt housings can now be dimmed from 15% to 100%. Halo lights meet California’s Title 24 energy-efficiency standards and include 5-inch and 6-inch new-construction and retrofit housings. The housings accept triple twin tube or double twin tube (quad) compact fluorescent lamps. 770.486.4800. www.haloltg.com.