Mapei Ultracolor Plus Grout - London Grey

The amount of grout needed depends on the tile size, joint width, and the tile's thickness. Use a grout calculator to determine the required quantity.

Yes, Mapei Ultracolor Plus Grout is suitable for both indoor and outdoor use, and is certified for use in the marine industry.

The grout typically sets within a few hours and is fully cured within 24-72 hours. Drying times can vary depending on environmental conditions.

Clean the tile surface with a damp sponge or cloth after the grout has set. Use a grout haze remover for stubborn residue.

You'll need a grout float, a sponge, a bucket for mixing, and a mixing drill.

Yes, this grout is compatible with underfloor heating systems. Make sure that the substrate has had adequate time to dry.

Store the unopened grout in a dry place. Once opened, seal the bag tightly to prevent moisture absorption.

Ensure proper mixing with the correct water ratio. Protect the grout from direct sunlight or drafts during the drying process. Make sure to choose the correct grout for the joint width.

Ensure consistent mixing and application. Protect the grout from moisture until fully cured. Use the same batch of grout for the entire project.

Clean the surface promptly after application, before the grout hardens. Use the appropriate cleaning tools and techniques. Avoid using excessive water during cleaning.

Ensure proper surface preparation to prevent moisture intrusion. Clean the surface with a grout cleaner specifically designed for efflorescence.