What crack isolation membrane means
A crack isolation membrane is a sheet or liquid layer over a concrete slab that keeps small cracks in the slab from telegraphing up through the tile.
Also called anti-fracture membrane.
Where it matters on a tile job
Tiling straight over a cracked slab invites cracked tile later. Note slab cracks on the walkthrough and include the membrane where you see them.
What it costs
Jobs that involve crack isolation membrane are priced in the tile installation cost guide: about $2,100 typical, usually $950 to $5,000. The guide shows its sources and what moves the price. The tile installation cost calculator prices a job line by line.
Work it out
- Free calculator: Tile installation cost calculator
- Cost guide: Tile installation cost
- Tools, templates and guides: Free tile resources