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COATINGS MAKERS

Painting & Wallcovering Contractor, May/Jun 2007 by Mills-Senn, Pamela

Ames Research. "Our business is concerned with how to save existing roof systems and putting roofs on in emergency situations, say for example in New Orleans," said William Ames Curtright, president and CEO of the Salem, ORbased coatings manufacturing company.

One of these handy products is Ames Maximum Stretch, a bright white, highly-reflective (98 percent) elastomeric roof coating that combines heavy-duty acrylic and rubber technology, and is designed to have high adhesion even in standingwater conditions. Released in 2006, Curtright said the coating has elongation capabilities of 700 percent.

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Curtright said Maximum Stretch is formulated to keep water from transitioning through the roof system and to cool down buildings in warm climates-he said it can cut AC costs in half-at least. He said it can be applied to compromised roof systems such as rusty metal or cracked tar roofs, shingle, wood and plywood, EPDM, roll roofing and concrete roofs. It can be sprayed or poured out and spread.

The company also makes Ames Super ElastoBarrier, which Curtright described as designed to extend the life of existing roof systems and also acts as a waterproofer, even in standing or pooled water situations. Formulated with fast-drying, dual-rubber technology, it dries to a shiny gray and has up to 1200 percent elongation ("You can take one foot of this and stretch it across a room," said Curtright).

"It will virtually never peel and will adhere to just about anything," he said. "This product will seal around the nails used to nail down tar roofs, metal roofs, roll roofing, etc. It sinks down into the wood and becomes part of it, and actually glues the wood together. It will go where the water flows and stop leaks."

Both products are water-based and have no VOCs. ElastoBarrier, which is sprayed or rolled, can be applied all year long in any climate. Maximum Stretch must be applied in warm weather.

Curtright added that Ames also is working to develop a roof coating that will replace shingles.

BASF Corporation gives contractors numerous roof coating options. Two such offerings are Acronal NX 3587 and Acronal NX 3250, flexible, white, UV-resistant acrylic roof coatings. Both are low VOC and can be spray-applied to new or existing roofs.

"These products have bleed resistance," said Guibault. "When applied over existing asphalt or tar roofs you don't get bleeding through of the asphalt, which causes a tobacco-type staining. [And they] won't turn color from the sun."

Currently the company-which Guibault described as focusing on sustainability, innovation and helping their customers be successful-is involved in building 400 nearzero energy homes and offices in Philadelphia. It also is connected to plans for 300 more such structures in Patterson, N.J. , for 7,000 in NY (near Giants Stadium) and for 400 in St. Louis.

BaySystems North America has just launched a new fluoropolymerbased coating called Evercool Fluropolymer, said John Linnell, technical director for the Spring, Texas-based company. Evercool is waterbased and VOC-compliant to all but the SCAQM regulations (this summer, the company will be coming out with a lower-VOC version that will meet these standards).

"The product is unique in that it is flexible (over 300 percent elongation) and has exceptional dirt pick-up resistance," Linnell said. "In acrylic coatings, the products that are the most flexible also retain the most dirt on exposure, which is why this product is so exceptional. [Additionally] Evercool Fluropolymer has incredible long-term durability, color retention, tensile strength, mildew resistance and plasticizer migration resistance."

Heat-reflective Evercool comes in a rainbow of colors, making it appealing for high-visibility applications and residential markets. It is easy to apply and adheres to existing Kynar roofs.

"BaySystems is also working with Ferro Corporation to incorporate their heat-reflective pigments in the Evercool Fluoropolymer system," said Linnell.

BaySystems also manufactures a residential tile roof restoration system called Evercoat 925, designed with heat-reflective pigments that come in several colors. This coating meets the 40 percent reflectivity requirement necessary to receive rebates from PG&E, Linnell said.

Evercoat 5400, a high-performance elastomeric 100 percent acrylic, white roof coating, offers great elongation (as high as 900 percent) and tensile strength. Its complex biocide formula protects against algae and mildew growth and the surface cross-linking technology resists dirt retention. The coating is also available in heat reflective pigments where a cool color is desired.

HENRY Company. Henry 280DC is a white, water-based elastomeric coating (with greater than 230 percent elongation) that is California Title 24, LEED and EPA Energy Star compliant. The ULclassified and fire-rated product is also Miami-Dade County approved and Florida product approved.

Henry 280DC reflects up to 88 percent of the sun's heat, effectively lowering roof and interior temperatures and prolonging roof life, said Skip Leonard, director of technical services for the company, based in El Segundo, CA. The product can be sprayed, rolled or brushed-applied to a variety of properly-prepared substrates, such as built-up roofing, mineral surface cap sheet roofing, APP, EDPM, Hypalon and metal roofing. However, it cannot be used over asphalt shingles, since white coatings will close up the roof, preventing the attic from breathing ("And in extreme cases, can allow condensation to form in the attic," said Leonard).

Retail Industry

COATINGS MAKERS

Painting & Wallcovering Contractor, May/Jun 2007 by Mills-Senn, Pamela

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