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GacoFlex S42 Series is a 100% silicone roof coating solution for renewing your weathered roof.
This high adhesion coating can be installed over virtually any existing roof substrate* creating a
durable, seamless membrane that helps protect the roof from permanent ponding water, ultraviolet
light and severe weather.
GacoFlex S42 Series covers more surface area with less material than many other competitive
silicones, exhibits outstanding peak hide coverage on granulated surfaces, and with its strong
adhesion to multiple types of surfaces, it eliminates the need for an epoxy primer in many cases,
allowing for faster installation.
Guaranteed? It qualifies for a GacoFlex System Warranty when installed
by a Gaco Qualified Applicator
Custom colors available as a special order only:
S4248 - Tan
S4229 - Dark Gray
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USAGE: GacoFlex S42 Series may be used as a maintenance coating system over pre-existing elastomeric roof coatings, metal roofs, APP*, SBS*, BUR*, and
weathered single ply membranes (EPDM, PVC, Hypalon®, and TPO/CPA) on a roofing substrate where the membrane surface is in sound condition,
but requires a renewal of the membrane surface due to the normal effect of aging and use.
A roof coated with GacoFlex S42 Series is ideal for use as part of a rainwater catchment system (NSF certification in process).
GacoFlex S42 Series Coatings are suitable liquid applied silicone coatings used in sprayed-in-place polyurethane foam roofing systems.
GacoFlex S42 Series Coatings may also be used over concrete and other coatings. GacoFlex S42 may also be used over some asphaltic substrates,
such as modified bitumen, when properly applied over an approved base coat, such as with GacoFlex A4271 BleedTrap™ Base Coat; please contact
Firestone Building Products for specific recommendations.
When properly applied, the coating system helps provide a seamless weather-tight seal that protects the substrate from degradation caused by
ultraviolet light, water and other normal weathering hazards.
* Please note that a base coat of BleedTrap is required for SBS substrates and recommended for APP and BUR prior to coating with GacoFlex S42. Not to be used over gravel surfaced BUR's.
