Tile Expansion Joint

Expansion joint material for floor applications i e.

Tile expansion joint.

It s quite common to see controlled breaks in concrete and those are usually expansion joints. An unqualified installer who was a sub to a sub to a sub put the tile in and he did not install any expansion joints within the body of the tile or around the perimeter. Recognizing that tile is a facade movement joints are needed to eliminate stresses that can occur between the substrate and the tile due to differing amounts of expansion and contraction. Movement joints are an integral part of any tile assembly and must be incorporated within the tile field at doorsills and at transitions to walls and other restraining structures to allow movement of the assembly and prevent stresses that can damage the system.

A movement joint is in the tile only. An expansion joint is in the substrate for instance in concrete. The tcna handbook recommends allowing for expansion and contraction in every tile installation. According to the tile council of north america a body that helps set standards for tile installations when installing outdoor tile there must be an expansion joint every 8 feet to 12 feet in each direction.

Urethane neoprene or polysulfide are often used in traffic areas and silicone where sometimes traffic is not a concern. Learn all about expansion joints here. Expansion joints in tiles are filled with materials that can sustain contraction and expansion. Where should movement joints be placed.

Most of the traffic areas require a sealant with a shore hardness of 35 or. It allows for movement in the tile. The american national standard specifications for the installation of ceramic tile ansi 108 3. Where to place outdoor tile expansion joints placement of expansion joints is very important.

In two places the tile was tented to the point where i could put my hands one on top of the other underneath the tented tiles.