Mapei Keracaulk U Unsanded Grout Caulk
Keracaulk U is a flexible, colour-matched unsanded caulk for the same movement joints on narrow-joint tile. It flexes where grout would crack and matches Mapei unsanded grout colours so the joint disappears. Stocked at our Mississauga and Barrie showrooms, or search grout and mortar near me.
Rigid grout in a corner or plane change is guaranteed to crack as the building moves.
In simple terms: Keracaulk U is a flexible, colour-matched unsanded caulk for the same movement joints on narrow-joint tile.
The verdict: Choose Keracaulk U to finish corners and transitions on unsanded-grout installs with tight joints.
How to use Mapei Keracaulk U Unsanded Grout Caulk
It flexes where grout would crack and matches Mapei unsanded grout colours so the joint disappears.
Matching a flexible caulk to your grout colour is what keeps corners crack-free and clean.
See Mapei Keracaulk U Unsanded Grout Caulk at our Mississauga or Barrie showroom, or search grout and mortar near me. Our in-house team also installs tile across the GTA and Simcoe County, residential and commercial, never subcontracted.
Need Help Choosing?
Visit our showroom in Toronto, Mississauga & Barrie or request a quote for professional assistance.




