Roof Coating Guide

Elastomeric, Silicone & Acrylic Systems Compared

This guide compares the four main roof coating systems — elastomeric acrylic, silicone, polyurethane, and asphalt-based — on cost per square foot, expected lifespan, ponding-water tolerance, and reflectivity. Topics include surface prep (cleaning, primer, seam reinforcement), application rate (typically 1.5 gallons per square for two coats), and re-coat schedule. Coatings extend the life of an existing flat or low-slope roof by 10-20 years for a fraction of the cost of a tear-off. Pair with our Coating Calculator.