How Soon Can You Plaster After Damp Proofing? | Checkatrade
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How soon can you plaster after damp proofing?

The general guidance for how soon you can plaster after damp proofing is at least 14 days after the injection of a damp proof course.

However, you may have to wait even longer if your damp problems were especially bad. This is because you’ll need to make sure your wall is completely dry before you add a new coat of plaster. If you don’t, this could lead to problems in the future.

In some cases, if your walls have severe damp, it can take 6 to 12 months to dry them out completely. To make sure your walls are ready for plastering, you can check the surface with a damp meter.

After the damp proof treatment has been applied, it’s best to use a damp proof plaster that includes a salt retardant plaster solution. There are some plastering products available that claim you can apply them directly after damp proofing, but always read the manufacturer’s instructions.

If in doubt, speak to an experienced local plasterer for their advice.

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