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October 19, 2018Decorative Exterior Coatings – Solvent vs. Water Based Acrylics
Homeowners are always looking for ways to protect their exterior concrete and masonry projects. Decorative exterior coatings are a great way to protect concrete and masonry while enhancing the natural appearance of the surface.
Decorative concrete and masonry coatings that will be used on exterior surfaces must be breathable enough to allow trapped moisture to escape through evaporation, which is why acrylic resins are very popular in outdoor coatings. Less breathable options like epoxy and urethane are generally harder to use outdoor and are rarely recommended for exterior applications, but are great for interior projects with high traffic or where high stain resistances are necessary.
Acrylic coatings generally contain 15-30% acrylic resin (or solids) that is carried in a water or solvent base. Solvent based acrylic coatings are most popular because they provide moderate to deep color enhancement (darkening) and multiple coats can lead to a glossier finish. Water based acrylics provide less color enhancement and gloss for a more natural finish. Solvent based acrylics are generally preferred because of their ease of re-application and wet look appearance. The best solvent based acrylic coatings are high solids (25% or more), and are carried in slow drying solvents (as opposed to , to allow more time for the product to soak in and adhere to the surface while reducing bubbles.
Volatile Organic Compound (V.O.C.) regulations vary from state to state, but V-SEAL offers options for all states:
Industra-Gloss SB (solvent based) – 25% Solids, for states with no extra V.O.C. regulations beyond the Federal level
Industra-Gloss 350 (low VOC solvent based) – 25% Solids, uses slow drying solvents that are exempt from V.O.C. calculations, same performance as Industra-Gloss SB, but must ship hazardous.
Low VOC States: OH, PA, IN, IL, NY, CT, DE, ME, MD, MA, NH, RI, CA
Industra-Gloss WB (water based, naturally low VOC)
V-SEAL® offers over 1000 products for curing, sealing, and cleaning concrete and masonry projects. A subset of our best selling products are available on our website, but for a truly customized system it is best to talk to one of our experienced technical advisors:
V-SEAL® Concrete Sealers, 9042 Cotter St., Lewis Center, Ohio, 43035
614-754-4777
