Silicone Vs Rubber Roof Membrane

Our team sees silicone roof coatings lose their efficacy on a regular basis.

Silicone vs rubber roof membrane.

These roofs are all single ply membranes that often have an oily film on them at installation. Both allow you to protect your roof from environmental factors both protect your roof from fire and both are highly flexible in the face of temperature changes. A variety of materials can be used to construct membrane roofs for example synthetic rubber thermoplastic pvc or similar material liquid polyurethane or modified bitumen can all be used. For most applications epdm rubber coating and silicone coating won t be much different.

A silicone roof coating provides you with some needed versatility but it also comes at a higher price than most of your other choices. To help mitigate roof failures at the seams wide span epdm membranes are commonly used. Advantages single ply membrane roofing. If properly installed and maintained a commercial single ply membrane roof can last 30 years.

When the spf layer has been completed it is then coated with a layer s of elastomeric silicone or acrylic coating with embedded granules. This oily film prevents the silicone from getting a good hold on the roof itself. However our experience and the research proves otherwise. Silicone roof coatings last 50 years.

As the oil comes off the roof the silicone will too. Perhaps the best reason to consider a silicone roof coating is the fact that you don t always need to replace the existing roof to benefit from this product. The gacoroof compliant silicone roof coating provides a stable membrane to seal and permanently protect against leaks or cracks and repair the existing roof. So we offer a primer that cleans off this oily film and allows the silicone to adhere perfectly.

Some less than reputable roofing contractors are telling customers around st. Epdm rubber membrane sizes can reach 50 wide by 200 long. Louis that silicone commercial roof coatings will last 50 years. The essential guide to spray polyurethane foam roofing.

However the essentials of a membrane roof include weatherproofing components reinforcement and surfacing. Silicone also beats natural rubber in heat resistance which depending on your application might be another glitch in natural rubber s properties.