SUBFLOOR Underlayment for Ceramic Tile Floors
Ceramic and porcelain tiles are paradoxically very strong and at the same time somewhat delicate.
These materials are very hard and durable, and when installed correctly they form extremely rigid and long-lasting floors that can last for many decades.
But to perform adequately they depend on an underlying flooring structure that is also sturdy and rigid. If the underlying flooring structure—which usually consists of floor joists,
a subfloor, and an underlayment—is not in good shape, the ceramic tile floor will flex underfoot, leading to cracked grout joints and a ruined installation.
For this reason, ceramic and porcelain tile floors can be considered somewhat delicate, despite the inherent strength of the material.
Because of issues of moisture, movement, and adhesion,
ceramic tile will work well with certain types of subfloor/underlayment systems and can go dramatically wrong with other subfloor materials. รับออกแบบบ้าน