miércoles, 7 de octubre de 2015

Concrete stained and scored to look like hardwood flooring

How to!
The epoxy actually doesn't make it that cold. Did this to my floor only it looks like marble, not wood, and it stays about the same temp as the air. The epoxy actually acts like an insulator. I love it. It's just slick as hell. Socks might kill you.

Of course it’s the same temp as the air. Every floor does that unless it has indoor heating. what makes a floor feel cooler or warmer is how conductive it is. It will be cooler than body temp. So a more conductive surface will feel cooler to the skin than a less conductive surface at the same temp.

Epoxy is probably a worse conductor than the paint. It’s still the same temperature though.


Having lived for a while in a basement apartment with bare concrete floors, I can assure you this is not true.
All objects have a property known as thermal mass. This is the amount of heat they can absorb and hold onto. It is related to but not the same as thermal conductivity.
Wood has very low thermal mass, it does not tend to absorb much heat. Metal has a lot more, but generally is a fair to good conductor, so it rapidly loses that heat and normalizes to the room temp. Stone, concrete and glass have high thermal mass and relatively low thermal conductivity. They absorb heat or cold slowly, but they also hold onto their temp for a long period of time.*
Adding to that, the concrete floor is in contact with the ground, so it is absorbing the temp from there, not just the room temperature. That means that the concrete will almost always be several degrees colder than the ambient temp of the room-- at least in northern regions.
* I am not a physicist, so it is quite possible this summary is not perfectly accurate, but it gives you an idea of what is going on.

If you are really slipping a lot you can get a thin top coat of epoxy laid over the top, with some small bits of grit in it. These increase the slip resistance. Supposedly you can get almost see through chips that are barely visible, but make the world of difference. Never used them as the epoxy floors I've had built up have all been flecked anyway, but the contractor seemed to say that they were really useful.

Concrete flooring is great for in-floor heating

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