IMPROVED ADHESION. Eliminates the need for primer on most substrates*, compared to previous generation GacoFlex silicone coatings.
EXCELLENT COVERAGE. Covers more surface area with less material than GacoFlex S20 series of silicone coatings, and that of many other competitors (1.25 gal/sq vs 1.5 gal/sq).
OUTSTANDING PEAK HIDE. Requires less coating to cover peaks on an uneven surface.
100% SILICONE. A single component elastomeric coating ideal for renewing your weathered and leaking roof.
CAN WITHSTAND PERMANENT PONDING WATER. GacoFlex S42 silicone coatings can help prevent roof softening, bubbling or degrading under permanent ponding water.
EXTEND THE LIFE OF YOUR ROOF by recoating your weathered roof with GacoFlex S42 silicone coatings.