Commercial flooring guide

Expansion and movement joints in flooring projects

Building and slab movement joints need deliberate treatment because simply covering them can transfer movement into the finished floor.

JointsDetailing

Editorial review: August 11, 2026 · Megan R. Halford

Structural movement

Some joints are intended to accommodate building or slab movement.

Flooring systems react differently

Rigid tile, resilient materials and resin systems handle movement differently.

Coordinate details

The floor finish, transition profile and underlying joint design should be coordinated.

Do not improvise

Structural or movement-joint treatment belongs in project specifications and manufacturer-approved details.

Commercial flooring decisions depend on the actual substrate, moisture conditions, traffic, cleaning regime, accessibility requirements, fire/building rules, manufacturer instructions and local code. This site is for planning and comparison, not installation instructions.