Silicone Vs Urethane Roof Coatings

Louis that silicone commercial roof coatings will last 50 years.

Silicone vs urethane roof coatings.

Polyurethane coatings were initially developed to be applied over sprayed in place foam roofs. Silicone roof coatings are better than acrylic roof coatings. Silicone conformal coatings on the other hand offer protection of 200ºc or higher. Silicone roof coatings last 50 years.

This is typical with conformal coatings as silicones typically offer the best protection temperature wise. However our experience and the research proves otherwise. More than just an opinion this idea has proliferated the roof coatings industry for nearly a decade. Building specifications often dictate that a sealant meet particular testing standards.

A urethane roof coating system with an aromatic base and an aliphatic top coat is durable stays cleaner and is more resistant to ponding water than an acrylic coating. A silicone roof coating can reduce your energy expenses. You might hear some contractors refer to a silicone roof coating as a cool roof because of is reflective capabilities. The testing standards required may vary by sealant chemistry silicone or urethane.

One major concern with polyurethane roof coatings is their poor uv resistance which causes them to turn yellow and chalk when exposed to uv rays. Silicone roof coatings provide many benefits that other coatings cannot. Leading urethanes such as humiseal 1a33 offer protection to 125ºc. They are now used as coating applications over a variety of existing roof membranes.

Silicone also holds dirt on the surface and loses reflectivity over time. They are most commonly used in sprayed in place polyurethane foam insulation and other commercial roofing substrates. Astm c920 federal tt s 001543 astm d 5893. Choose providers who have an extensive amount of experience with silicone roof coatings to ensure that your investment will receive a maximum level of value.

They are most commonly used for sprayed in place polyurethane foam insulation as well as other commercial roofing substrates including modified bitumen single ply epdm smooth. As one may guess opinions aside there are pros and cons that exist for both silicone and acrylic roof coatings. Some less than reputable roofing contractors are telling customers around st. Our team sees silicone roof coatings lose their efficacy on a regular basis.

Moreover you can choose between aliphatic and. Aliphaltic coatings are more expensive but are uv stable hold color well and stay cleaner than most other coatings. They also do well as cool roofs because they. The more common tests applied to silicones and urethane sealants are.

Urethane roof coatings more commonly known as polyurethane roof coatings are among the strongest and most durable elastomeric coatings available in the industry.