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How do I install Porcelain Tile over an existing Epoxy Floor?
QUESTION
I have an older epoxy floor which is mostly dull looking and want to have porcelain tile installed over it.is there a product available that may adhere to the epoxy floor and the thin set ? or hire a company to sand or grind off the epoxy?
ANSWER
ANSWER - There are epoxy adhesives that you can use to install the ceramic porcelain tile over a properly prepared epoxy floor.First you have to make sure that the existing epoxy floor is well bonded to the substrate because if the epoxy ever came loose so would the tile. Assuming the epoxy coating is well bonded, then you should scarify and clean the epoxy floor to prepare it for adhering the tile to it. If the epoxy coating isn't attached well then you should remove it and then clean and scarify the concrete slab beneath it.
There are 100% epoxies like Laticrete 300 that you can use to bond the tile to the properly prepared epoxy coating, which isn't cheap. There are modified epoxies that can be used like Laticrete 210 that has a cementitious filler mixed in with the epoxy hardener and resin that is less expensive.
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I want to lay porcelain tile over 550 sq ft of epoxy florring. What is the most cost effective way of doing this?
The right way to do it, is to clean and slightly scarify the epoxy coating on the floor using the proper dustless equipment. Use an epoxy like Latapoxy 300 for adhering the porcelain tile to the epoxy floor.
This is assuming the epoxy floor is structurally sound as the overall installation can be no better than the bond of the epoxy flooring to its substrate. It is assuming that the floor is flat enough and does not have more variation out of plane than 1/8″ in 10 feet.
How can I install in porcelain tile with in floor heating pads over an epoxy concrete floor?
There are many different heating systems for ceramic porcelain tiles, so it depends on which heating system you select to determine how to install it. The manufacturer of the heating system will give you their directions on how to install the heating system and tile over it.
There are hydronic heating systems with hot water flowing through tubing where you need to embed them in a mortar at least 3/4″ from the surface of the mortar and then you need to install a crack isolation membrane over it.
There are electric heating systems where they come as cables or as a mat with cables embedded in them you need to adhere or attach the floor warming system to the substrate and then apply your adhesive over it and bond the tile to it. You need an electrician to hook it up to your electrical panel and to install the thermostat. The manufacturer of the floor warming system should have directions on how to perform the inspection.