When to Use PU Injection Grouting

The PU injection requires water to start the expansion process. So any cracks that are filled in will have a blend of water and the polymer foam type PU grout.

The mixture will expand until there is no more space to fill. This seals off any pathways the water might cut through the brickwork. Hence, repairing the cracks and waterproofed.


If you are experiencing a leak in your house, you should use PU injection grouting to repair the damage. Water coming in from outside of the home may be an issue. But, injecting PU into the roof may solve the leak and stop any further damage.


PU injecting can be used to repair factory or warehouse flooring. The damage is usually caused by the repetitive use of heavy machinery such as forklifts.

Moreover, you can use PU grouting in many areas. Such as spaces around piping, outdoor guttering, holes in the yard. You can use it to repair any damage in your properties caused by rain or leaking.

If you have cracked paving work in the garden that makes you trip up, PU injection grouting can be used to level it all out again and ensure your safety.

Likewise, you might use it if a leak in the bathroom has caused brick damage underneath your tiling. In this case, you can inject grouting to fill the space up. This stops any further damage without the need to hack up the tiles.

You can also use PU Injection Grouting to repair swimming pools. There's no need to resurface. With this method, you can fix lopsided building work, patch up any holes in old buildings and for dozens of other purposes.