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Unique Silicone Technology Delivers Roofing Systems that Last.

Gaco Western have developed high performance, cold liquid applied, flat roofing coating systems for use on flat mineral felt roofs and metal profile roof sheets. These roofing materials are guaranteed to be totally waterproof, even under permanently ponding water.

The system is a single component cold applied coating. Is has been formulated from silicone to meets the requirements of ASTMD 6694 and is also Available in SCAQMD compliant versions. If form a highly durable and resistant coating that withstand the negative effects of severe weathering and in addition also has high chemical resistance.

Once applied it seal and waterproof both flat and pitched roof permanently protecting against leaks. I can be applied to large range of different roof substrate including weathered felt, asphalt, asbestos, steel, lead, concrete, sprayed polyurethane foam, tar and gravel, modified bitumen, built-up, cap sheet, WPB Plywood, fibreglass, composite, torch down, aged Single Ply, EPDM rubber, and TPO on flat or sloped roofs. Another excellent property of GACOPRO GP1600 SERIES roofing system it’s elastomeric or ability to stretch.

This allow the coating to flex, stretch and contract with the buildings structure thermal movement, meaning is will not crack or split in the way more brittle roofing coating do.


GacoPro’s white solar reflective finish reflects over 85% of the sun’s rays thereby drastically reducing roof damaging thermal shock (expansion / contraction) In turn, this further extends the life of flat roofs. The coating also meets solar reflectance and thermal emittance requirements for: the 2012 International Energy Conservation Code (IECC); the ASHRAE 90.1 Energy Standard for Building Except Low-Rise Residential Buildings; and the California Building Energy Efficiency Standard CEC-400-2008-001- CMF, as adopted as Part 6 of Title 24.

In most instances, there will be substantial cost savings on expensive flat roof replacement and a significant reduction in maintenance costs, over time this saving add up. Also, being a quick to install product means leaks are seal fast protecting the building fabric and contents from further damage caused by the ingress of water.

A completely monolithic, long lasting, easily refurbishable system which can be installed with the minimum of disruption compared to traditional roofing techniques. Being liquid means is can be applied in one continuous layer where are traditional roof sheeting or felt requires joint to be made. These joints are potential weak point in the roofing and if not properly installed allow a path of ingress for water. Once water penetrates beneath the roof coating is most certainly will lead to further more costly damage. GP1600 does not require jointing thus eliminating these potential weak points.