I keep putting it on until it builds up a 25 to 35 mil layer on the surface then I back roll it and it self levels." The next day he returns and places an epoxy coating, which he also gets from Crown Polymers. It really gets into the concrete and takes a bite. Then I take the vapor block squeegee it on and it just disappears into the concrete. "I start by grinding the floor to get a nice tooth-surface prep is really important. "I realized that the epoxy people had been bonding to concrete way back in the 1940s and 50s before we even had vapor barriers and I thought that if they could get it to bond then I could get it to bond."įrom Crown Polymers he purchased some CrownCote vapor barrier, an ultra-low-viscosity epoxy. So Pettigrew took a lesson from the epoxy floor industry. For years I listened to various manufacturers and they all said they had a way, but I was the one who had to go back and repair the floors when they came up." "Anytime there's no vapor barrier you're going to get vapor emissions and that's the beast we all have to deal with-trying to get those vapors blocked. He uses this method on "any floor I suspect might have vapor emissions and on anything over 20 years old," since older floors seldom had quality vapor barriers. has developed what he says is sure-fire way to overcome this problem. ![]() Overlay manufacturers typically recommend a moisture vapor emissions rate (MVER) of 3 pounds per 1000 square feet in 24 hours (see Reducing Bond Failures Caused by Moisture Vapor Transmission for more on this topic).įind Products: Vapor Barriers or Overlays & Toppingsĭave Pettigrew of Diamond D Concrete, Capitola, Calif. Slabs that lack under-slab vapor barriers will nearly always have some water vapor emission from water below the slab, and newer slabs, even with vapor barriers, will need time to dry out. ![]() ![]() This vapor can then develop more pressure than the bond strength between the topping and the slab, delaminating the topping. The last thing Dave Pettigrew, owner of Diamond D Concrete, wants is a call back on one of his elaborate floor designs, such as this hair salon.Ī perpetual problem with thin overlays is that since they form an impermeable layer on the slab, any water vapor emissions from the underlying slab will be trapped. From there, they will contact you with details on the next steps, prices involve, quotes, material costs and timeline.Concrete Overlays Home Get the Look - Interior Overlay Pictures When to Use a Polymer Overlay Comparison Chart of Overlay Systems: Which is best for your project? Five Factors to Consider when Choosing a Resurfacing System Concrete Overlay Reviews Types of Overlays Epoxy Coatings Microtoppings & Skim Coats Self-Leveling Overlays Spray-Down Toppings Polishable Overlays Stamped Concrete Overlays Preparing Concrete for Resurfacing Concrete Resurfacing Reducing Bond Failures Caused by Moisture-Vapor Transmission Don't Let Water Vapor Delaminate Your Overlay: How to seal concrete before an overlay How-To Tips for Installing Concrete Overlays Answers to Common Questions About Concrete Overlays: Advice from expert Chris Sullivan How to Add Color to Concrete Overlays How to Protect and Maintain Resurfaced Concrete Overlay Tools: Seven essential tools for concrete resurfacing Related Information Concrete Overlay Videos, with Bob Harris Decorative Concrete Overlays: A primer of the various overlay types and the decorative possibilities with each Vertical Concrete Overlays: Lightweight cement-based overlays mimic stone, brick, and other wall textures Please fill out the form here, tell us about your concrete overlay job, and we will pair you with a local Denver professional. * Commercial & residential concrete overlay services in the Denver, CO area * Different overlay options for interior and exterior concrete surfaces like countertops, basement & garage flooring, kitchen floors, porch & patios ![]() * Dependable concrete overlay services - Get an estimate, quote and more details To help makes sure the entire process from start to finish is as easy as possible for you, we pair you with qualified pros who specialize in concrete overlay services, as well as a host of other home improvement projects for both residential and commercial properties. If you are needing an experienced, affordable and dependable Denver, Colorado professional for your concrete overlay project, then you are in luck. The Best Concrete Overlay Installers in Denver
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