Hi there

I have a rising damp issue that I would really appreciate some advice on -

The small pantry cupboard adjoining my kitchen has a concrete floor. After heavy rain the floor is damp to the touch. The roof is sound, and there are no holes in the walls.

After rainy weather the floor becomes damp and then dries out slowly.

(The walls are in fact dry at the base. One wall is an external wall and I plan to cut a channel outside at the base and fill it with gravel. I'll paint the wall with Johnsons water seal for good measure was well.)

Can you help me to come up with a way to stop the damp coming through the floor?

I thought maybe I could chisel out the concrete to a certain depth, put some sort of membrane down and pour more concrete over it...?

It might be easier to get asphalt laid over the top of the existing concrete.

Aspahlt normally does a good job of preventing any moisture from soaking through concrete floors.

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DIY | Donnas dream house

Hi there,
Thanks for your reply. Wouldn't there be a danger of the concrete degrading under the aspahlt though? I mean shouldn't I try and keep the dampness as far down below the surface as possible?

Would be grateful of more advice please

Not that I am aware of.

Asphalt is often poured on top of concrete to stop the damp.

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DIY | Donnas dream house

Thanks ultimate handyman! I think I have the answer now! Brill!
All the best,
K