Liquid Silicone Roofing
When it comes to restoration roof coatings silicone coatings are a great choice. They restore and protect a wide variety of commercial roofing substrates including metal, concrete roof decks, single-ply, EPDM, TPO, modified bitumen, built-up roofs, and spray polyurethane foam.
When it comes to choosing the best silicone roof coating there are some important factors to keep in mind. Below, note the advantages and disadvantages of silicone roof coating:
Ponding Water Resistance
Resistance to ponding water is one of the ultimate benefits of a silicone roof coating. Since silicone coatings will not absorb any additional water after curing, they are made to withstand the damaging effects of ponding water without breaking down.
Approximately 85% of the sun’s harmful UV rays can be reflected by Silicone roof coatings. Therefore, facility managers and property owners can save thousands of dollars by reducing the HVAC system workloads and cutting their facility’s cooling costs during the warm summer months.
A silicone coating won’t chalk, degrade, or crack from extended exposure to direct sunlight. They erode much slower than other elastomeric coatings without becoming too brittle or hard.
Minimizing the sun’s impact on the roofing surface not only reduces internal building temperatures and prolongs roof life, it also helps sustain lower energy costs.
Flexibility & Weatherability
Silicone roof coatings are capable of withstanding wind-driven sand, oxidation, and extreme temperatures since they create a highly flexible, monolithic, and impermeable membrane. They are also able to endure the natural expansion and contraction that occurs in large roof structures.
High Solids Content
Most silicone coating formulations have a high-solids of 90% or above, meaning that less coating material is needed during application. When more coating is applied in a single pass it helps save on labor costs and time and without compromising system integrity and workmanship.
All silicone coatings are deemed environmentally friendly, but high-solids formulations are among the best. Most of today’s high-solids silicone roof coatings contain tremendously low volatile organic compounds and are solvent-free.
Installing a roof coating system is straightforward.
1 – In order to see if there are any saturated areas of insulation under the membrane, an infrared inspection should be performed. The whole roof surface is power washed clean to remove any contaminants after those saturated areas have been replaced.
2 – The seams of the membrane are then reinforced after the primer has been installed.
3 – Once all of the various repairs have been completed to the existing roof system, silicone is sprayed, or roller applied over the whole surface of the roof.
4 – After the silicone roof coating system has been completed, a final inspection will be performed by a third-party or the manufacturer’s representative to verify all the necessary repairs were performed properly and the silicone is applied with the right amount of thickness. The final warranty is issued when the repairs and silicone roof coating applications are approved.