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kkes Tile Floors September 14th, 2018 - 05:32:55
There are formulas used in the industry to determine if the subfloor has excessive `deflection` [bounciness. lack of rigidity]. The most cited one is the Tile Council of North America standard for deflection. which is stated as L/360 as a minimum. before tile underlayment is installed. L/360 means that the floor should not bend under weight more than the length (expressed in inches) of the unsupported span divided by 360. For example. if the span between supports runs for 20 feet then the deflection should not be more than 2/3" between the center and the end. L=20 x 12" = 240". L/360 = 240"/360 or 2/3". So 2/3" is the maximum amount of movement the center of the span should be allowed to move.
Tile floor installation adds resale value to your home. because buyers know they are acquiring a house with an incredibly long-lasting floor. Potential buyers take notice of a well installed and designed tile floor. It makes a statement about how you have cared for your home. With its attractive style and impressive presentation. a good tile floor can add thousands of dollars in potential value.
Knowing the kind of subfloor you`ll be installing ceramic tile flooring over is important. There are three main types of subfloors you might encounter: Vinyl. plywood. and concrete floors. Installing ceramic tile flooring directly to your vinyl or linoleum subfloor surfaces is greatly discouraged. One. it may contain asbestos fibers; and two. vinyl flooring is not a solid as good ol` concrete flooring. When installing ceramic tile on vinyl. experts would recommend rough-sanding. or scarifying. the vinyl floor surface first so your tiling mortar has good grip to set on.
Does the floor feel bouncy? If so. it is. Trust your instincts. It`s not ready for tile. A well built subfloor feels very stiff underfoot. Squeaking can also be a bad sign. but it may also solvable by screwing down the planks or plywood better into the joists.