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Question DetailsAsked on 2/21/2017

What is the cost to Texture/Coolcoat the exterior of a 1700 sq ft house, whose walls measure about 1900 sq ft??

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3 Answers



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Answered 3 years ago by Member Services


Addressing ceramic coatings in general below - not that specific brand only, but from what I have seen the claims are pretty much the same with all of those type products.

The ceramic bead paint itself can be found for sale everywhere from about $25-150/gallon, the beads only to add to paint seem to run around $15-25/gallon of paint worth of beads - so you are talking $5-15/SF pricing isntalled - even saw one quote for ceramic bead painting which ran right around $100/SF ! This is one of those fad products which leads to wild claims (for ceramic bead paints in general and calls for suspension of belief based on scientific evidence and believing based on claims of "new technology" or "scientific miracle" or such. Coolcoat or Cool Coat is a brandname used by several companies but all basically the same sales principle, so pricing is based on what the suckers will pay, not really based on competitive pricing, as generally this product is promoted by individuals pushing that particular product, not your average house painter. In fact, from what I see a lot of painters will nto touch it, figuring based on the ads and on industry experience about the claimed life that it may be as much snake oil as paint.

Depending of course on the cleaning and prep needed (which might run under $0.50/SF to as much as $2-3/SF depending on condition of the house), generally at "normal" beaded paint or third-party paint with beads should run about $3-5/SF at reasonable costs, markups and profit.

This assumes you believe the claims - which leave a lot to blind faith, especially considering the limited number of independent tests for the products and the classic "up to" type claim for its performances - claiming say "up to 19.7" reduction in energy use and such, which actually means 0.0001% falls in that category - as does zero and even negative numbers. And of course the products have such broad disclaimers that the warranty is pretty much useless because they can claim your particular conditions caused it to be not effective.

Do some reading on the subject of ceramic paints - because many of the claims are just plain impossible in the real world of thermodynamics, and add that to the claims that the ceramic beads are "tuned" to reflect solar energy in different wavelengths - but then consider that these are not exposed ceramic beads, but are covered with paint - so consider how they are supposed to reflect solar energy which they do not even "see" because they are covered with a paint film. Granted, this technology is used in some high-tech applications including experimentally on satellites to replace metal foil - but in that case they are applied as a jetted-on surface coating over a binder epoxy or similar coating, so the finish surface is basically all exposed beads.

One other thing which is just starting to come to light - these products tend to act as pretty effective vapor barriers, yet most houses in the US have interior vapor barriers for the predominant climatic conditions - so you end up with both interior and exterior vapor barriers, which can lead to moisture being trapped and condensing in the walls. This is the same issue that killed EIFS (the foam insulation as exterior surface products) and left millions of homes with decaying walls. I am sure a lot more issues liek that will be coming to light as more homes are coated with these polymer or emulsified coatings.

And the R-value claims based on NASA spacecraft coatings which are radically different than the consumer knockoffs - there are a lot of claims which just do not add up, much like many of the claims on foil layers for attic insulation.

Here are a few articles on the subject - I would just say buyer beware about claims on energy savings and about pricing far beyond any possible return. I have seen industry blogs where the energy savings claims by salesmen far exceeded the TOTAL energy bill for a building - not quite possible.

Answered 3 years ago by LCD


One thing I did not mention - partly because of the moisture trapping thing, sometimes just because the coating is so thick and does not have good adhesion, peeling off of the coating is also a common complaint - sometimes coming off in big sheets. This is a common complaint across the newer ceramic-containing emulsion and similar type paints - here is a typical complaint for that sort of problem.

Answered 3 years ago by LCD

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