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Pinnacle Roofing & Skylights applies Gaco silicone roof coatings to restore and protect commercial flat and low-slope roofs throughout Rhode Island. Gaco’s 100% silicone formulations create a seamless, monolithic membrane over your existing roof — eliminating the cost, disruption, and waste of a full tear-off and replacement.
Silicone is permanent and will not degrade, chalk, or crack under harsh UV rays. Gaco coatings withstand permanent ponding water without softening, bubbling, or breaking down — a critical advantage for flat roofs in New England where standing water is common. The smooth silicone surface resists mold, mildew, and staining, and reflects up to 88% of UV rays to reduce cooling costs.
GacoRoof is Gaco’s single-component 100% silicone coating for commercial and light commercial applications. It requires no primer on most substrates, saving significant time and material costs during application. Coverage runs approximately 100 square feet per gallon per coat on smooth surfaces, with a minimum 22 mil dry film thickness.
GacoRoof is available in nine colors — White, Gray, Green, Light Tan, Rustic, Medium Blue, Black, Brown, and Red — in 1-gallon and 5-gallon containers. It can be applied by spray, roller, or brush over built-up roofs (BUR), cap sheet, metal, modified bitumen, and spray polyurethane foam (SPF).
The GacoFlex S42 Series is Gaco’s professional-grade 100% silicone coating system. It delivers more efficient coverage than the S20 Series at 1.25 gallons per square (compared to 1.5 gallons per square), reducing material costs on large commercial projects. Like GacoRoof, the S42 requires no primer on most substrates.
The S42 system includes complementary products: GacoFlex SF4200 SeamSeal for reinforcing seams and fastener penetrations, and GacoFlex SF4236 WalkPad for creating durable walkway areas on coated roofs. Gaco offers Qualified Applicators a full-system labor and material warranty on S42 installations.
The GacoFlex S20 Series is a solvent-free 100% silicone coating made almost entirely of solids — meaning what goes into the can is essentially what stays on the roof. The S20 reflects 88% of UV rays and withstands permanent ponding water. A key advantage for New England’s unpredictable weather: the S20 can be rained on within just 2 hours of application.
Gaco offers Qualified Applicators a full-system labor and material warranty on S20 installations applied according to Gaco specifications.
The GacoFlex S2100 Series is a cleanable, dirt-resistant silicone coating formulated with 37% recycled content, making it eligible for LEED certification credits. The S2100 maintains twice the whiteness retention of competing coatings over time and carries a 5-year Energy Star warranty. It is the top choice for building owners seeking both performance and sustainability credentials.
Gaco silicone coatings can be applied over virtually any existing commercial roofing substrate: built-up roofs (BUR), modified bitumen, metal roofs, single-ply membranes (EPDM, Hypalon, TPO/CPA), spray polyurethane foam (SPF), concrete, wood, and existing elastomeric coatings. Most Gaco products require no primer, which simplifies preparation and reduces total project cost.
Gaco silicone coatings are engineered to last 10 to 20+ years depending on the system and conditions. When recoating is eventually needed, silicone can be reapplied directly over the existing coating without tear-off, extending the roof’s life indefinitely.
In most cases, yes. Gaco coatings adhere to BUR, modified bitumen, metal, EPDM, TPO, SPF, concrete, and more. A professional inspection by Pinnacle Roofing & Skylights will determine if your roof is a good candidate for coating.
Silicone roof coating typically costs 50 to 70% less than a full roof replacement, with comparable longevity when properly applied and maintained. It also avoids tear-off waste and minimizes business disruption.
Is your commercial roof a candidate for silicone coating? Contact Pinnacle Roofing & Skylights.
Download these manufacturer brochures to learn more about the products we install. For personalized recommendations, call Pinnacle Roofing & Skylights at 401-267-7663.