Silicone Vs Epdm Roofing

Facility owners and managers tend to opt for a roof coating usually silicone when their roofing systems are in good shape but just need a renewal from age and normal wear and tear.

Silicone vs epdm roofing. Silicone roof coatings last 50 years. It can actually withstand slightly higher heat than epdm which makes it ideal for engineering and automotive locations. Caulking is a common term that mainly refers to sealing cracks or any kind of penetrations in order to prevent water leakages. When compared with silicone rubber epdm is significantly inferior with a maximum temperature of 130 c 266 f.

Unfortunately silicone roof coatings are also the victim of many far fetched myths and common misconceptions we need to address. We also have tpo roofs thermal poly olefin which are still rubber roof types but are more rigid than epdm. Epdm has less curb appeal but has almost the same durability and lifespan as tpo roofs. A silicone restoration membrane srm is a fluid applied silicone coating sprayed directly onto an existing roof system.

One attraction to nbr is its stability in low temperatures with the ability to survive extreme cold of 30 c 22 f which epdm and silicone can t match. That s pretty good right. Which roofs have we discovered that you must have a primer before installing a silicone coating. Nbr is also more resistant to water swell and weathering elements.

The last roof sealant type is roof caulking. In compression set neoprene is right there with epdm though neither match silicone in that area. This is an all purpose elastomer. A silicone roof coating provides you with some needed versatility but it also comes at a higher price than most of your other choices.

Epdm like single ply has a film on top of it after installation. Over time they tend to get a chalky appearance due to oxidization. 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. On the other hand both silicone and epdm stand up to higher temperatures with silicone topping epdm.

Silicone is a flexible rubber that is also very flame retardant and able to withstand high heat. Many silicone roof coatings do provide excellent value for commercial roofs. Some less than reputable roofing contractors are telling customers around st. Silicone can reach constant temperatures of 230 c 446 f and up to 270 c 518 f for special high temperature silicone grades.

After all the roofs we ve installed coating on epdm is the only one that we ve found to require a primer. When it comes to your requirements both have a place in the market for industry uses. Therefore it s essential you make an informed decision based on price strength properties and so on. When it comes to epdm vs tpo the most important thing to consider is the need of curb appeal durability and longevity for your roof.