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Protective Coatings
GacoSil S-20 Provides a Solvent-Free, Eco-Friendly Solution for Commercial Roofs

SEATTLE – Gaco Western, manufacturer of the most technologically advanced elastomeric coatings and polyurethane spray foam for the construction and waterproofing industries will be showcasing its GacoSil S-20 – a solvent-free, eco-friendly silicone coating for commercial roofs – at the IRE show.

“Gaco Western is continuously working to improve the lifecycle of its products as well as implementing ways to reduce its environmental footprint,” said Chuck Skalski, vice president of Gaco’s Commercial Sales Division. “GacoSil S-20 is a great example of that. Not only is it an extremely high-performing commercial coating, it’s solvent-free and petroleum-free – S-20 offers an ecological advantage and meets the most stringent fire rating and building codes.”

GacoSil S-20 is a single-component, moisture-curing silicone rubber roof coating designed for use on sprayed-in-place polyurethane foam, metal, concrete, wood, built-up roofing and most single ply roofs.

“The solvent-free silicone technology offers a new application option,” said Skalski. “With solvent-free silicone the product fully adheres to the existing substrate eliminating the need for tear-offs and lessening the impact on the environment and landfills. The use of GacoSil highly reflective coatings also provides increased UV resistance and energy-savings.”

GacoSil S-20 has passed the ASTM E108 flame spread test and obtained the Underwriters Laboratories Class A fire rating – the highest level of fire protection available. Other ASTM testing provided ratings for tensile strength, tear resistance, hardness, water immersion, permeability, reflectance, emittance and flash point.

Additional product benefits:

  • Solvent and petroleum free
  • Can contribute up to 7 LEED points
  • No ponding water issues
  • Less dirt pickup than conventional silicones
  • Durable, color stable, chalk and chemical resistant
  • Offers a 1.5 gallon per 100 sq. ft. coverage to achieve a 10-year warranty; conventional silicone requires 2.5 gallons or more.
  • Up to 20-year product warranty

A uniquely versatile product, GacoSil S-20 can be applied to a variety of roof types:
Sprayed polyurethane foam Cap Sheet
Metal Torchdown
Concrete Modified bitumen
Aged asphalt Built-up
Composite Aged EPDM

Recent GacoSil S-20 projects include commercial applications on Sears, Target and JC Penny stores.

Gaco Western recently opened a new, state-of-the-art, 60,000 square foot manufacturing facility in Waukesha, Wisconsin. The new facility replaces the old, 18,000 square foot location built in 1985. In addition to regional offices and manufacturing, the new building includes a high-tech research facility and comprehensive technical training program for Gaco customers. Products manufactured in Waukesha include polyurethane spray foam insulation and Gaco's complete line of silicone, acrylic, epoxy and urethane coatings.

About Gaco Western
Family owned and operated for more than 50 years, Gaco Western manufactures the most technologically advanced, proprietary elastomeric coatings and polyurethane spray foam for the construction and waterproofing industries. Dedicated to meeting the needs of its customers, the Gaco family of brands offers best-of-class solutions for a variety of commercial, industrial and residential applications including: specialty coatings for roof, pedestrian and traffic decking; and spray polyurethane insulation for commercial, industrial and residential applications. Core products include: GacoWallFoam insulation, GacoDeck, GacoShield and GacoRoof coatings for residential applications; Gaco RoofFoam, GacoFlex LM-60, GacoPedestrianDeck and GacoAutoDeck for commercial applications. Products are available nationwide. For more information: www.gaco.com or 800.331.0196.

Waterproofing and insulating the world, from NASA to your neighborhood, Gaco Western has you covered with innovative solutions.


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