Regrouting

When grout deteriorates over time, it can lose its colour and waterproofing capability. Replacing grout can improve the appearance of a tiled room quickly and at low cost

Tools and materials
Grout raker, vacuum cleaner, grout, grout spreader, sponge

Remove the old grout from the joints using a grout raker, taking care not to damage tile edges.
Vacuum out the joints in order to remove all dust and debris.
Regrout the joints, using a grout spreader.

Extracted from DIY- Know How With Show How published by Dorling Kindersley, price £25.00. Copyright © 2006 Dorling Kindersley Ltd, Text copyright © 2006 Julian Cassell and Peter Parham