Does Porcelain Tile Need Expansion Joints. Also, ceramic, porcelain, or stone tileinstallations needto be isolated from adjoining hard surfaces and between the tileand dissimilar surfaces. Does porcelain tile need expansion joints? 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.
Locate openings for expansion joints directly over cold joints and structural joints. It's quite common to see controlled breaks in concrete and those are usually expansion joints. For latest revision, check our website at www.laticrete.com.au.
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According to the ntca (national tile contractors association) reference manual, an expansion joint is, Ceramic tile, porcelain tile, stone tile, glass tile and concrete tile installations need expansion joints to compensate for natural movement that occurs within tile assemblies. Where should movement joints be placed? In supermarkets etc where they use marble etc these would be ground and honed after fixing.