Prep Work For Elastomer Roof Paint
Use a polyurethane sealant.
Prep work for elastomer roof paint. Seal any joints or open cracks. While elastomeric paint does fill in smaller cracks you should fill in most cracks with acrylic or siliconized caulk. Preparation might be as simple as sweeping priming and repairing seams. In 3 easy steps learn how to seal your roof and save money on your electricity and cooling bills with cool roof coatings.
It is also necessary to properly clean the area that the paint or coating will be applied to so that there will be no bonding issues. As it applies ewc paint fills cracks leaving the final surface smooth glossy and durable. Use a caulk gun to fill the crack and then smooth it out with a putty knife. You will need to apply a primer first then spray on the elastomeric coating.
Proper preparation of the roof surface is essential before applying any roof coating and the level of preparation depends on the current condition of the roof. When using a roller use a brush for finer details and around roof fixtures. Does not permeate elastomeric paint does not go through the base coating surface so if you have any repairs needed for oversized fractures or holes you will need to take care of them before proceeding. This will remove dirt and grease that might be on the containers.
Scrape or sand to remove loose paint if there is any. Elastomeric paint also called ewc paint is great for porous surfaces because it expands and contracts easier than regular latex paint. Inspect the roof for signs of surface rust and remove by wire brush sand blasting manual scraping or acid etching. Painting a poorly prepped surface will only result in disappointment while quality pre paint work pays huge dividends.
With good prep work any regular paint can cover ewc paint. Follow with a thorough water rinse. A flat roof and other shapes would work well with this coating type. Pick a day that is nice but not too hot.
Wash power washer is best. While elastomeric paint provides good coverage you ll quickly find it is more difficult to paint over. Acid etch surface of galvanized metal with a 1 20 solution of rust off rust and oxide remover and water to clean all conditions which will affect bond of roof membrane. Let the caulk dry overnight.
Lastly be sure to stay off the roof until the elastomeric roof coating is cured. The surface to be coated must be clean and dry or adhesion will not occur. If the roof is severely damaged hire a professional to patch it first. There are several points need to consider before choosing the most suitable yet best coating for your room.
It should work fine. Use an injectable house wash. So armed with the knowledge that preparation is king when it comes to painting here are 10 tips to help your exterior paint prep projects go faster look better and cost less. If you re filling in a large crack use layers to fill it in letting it dry in between.
If possible apply the elastomeric roof coating on a sunny day.