Tile Uncoupling Membrane

The powers that be in the tile industry want uncoupling membranes to be their own classification separate from the cis membranes.

Tile uncoupling membrane.

They are flexible non rigid and provide no support for the tiles. Modified thin set mortars need air to cure properly and. Uncoupling is a method that can be used with all of the most common joist spans used in residential construction. Uncoupling membranes designed for ceramic and stone tile installations provide waterproofing and help prevent cracking.

This creates the strong bond necessary. Schluter ditra membranes provide uncoupling through free space which allows for in plane movement that effectively neutralizes the differential movement stresses between the substrate and the tile thus eliminating the major cause of cracking and delaminating of the tiled surface. They are only 1 8 inch thick and raise the height of the finished floor by a negligible amount. Uncoupling membranes in the tile assembly are fast becoming an essential and affordable part of the tile installation process.

Uncoupling membranes differ from cementboard in three other important ways. Use unmodified thin set to adhere the tiles to the membrane. The tiles are bonded to the top surface of the mat while the loosely bonded bottom fleece is bonded to the concrete subfloor. They require no fasteners just adhesive to hold them to.

Uncoupling membranes seem like they would prevent cracks also. Uncoupling ditra tile has been successfully installed for thousands of years by incorporating an uncoupling layer or forgiving shear interface within the tile assembly. But the fact is that they haven t been officially tested as crack isolation membranes.