How to tie into/seal to existing 1928 damp proof course

[Fevvahz]

I've recently bought a 1928 built 3 bed semi. The floors were uneven, so they've had to be dug up, and were about to build up using modern standards. The old floor consisted of parquet wood blocks on top of cement and rumble, to a depth of about 5 inches. The damp proof course used when first built appears to be slate layers, which I understand was common practice.

We've dug to 15" in order to provide a good base, and fit in the required insulation etc. We've checked with local building control who've specified what they want to see and when. However I'm wondering if there's a way to tie the damp proof sheeting layer into the existing wall, or seal it against the wall to stop damp coming up the wall, around the edge of the slab and rotting the flooring/skirting board?

Ive read on other threads, probably on this forum that in the situation we will be creating, a high pressure moisture area is created around the edge of the slab. Is there perhaps a product which could be applied to the wall/DPC which would bond it nicely together? We were thinking perhaps a bitumen type affair?

Thanks in advance.

 

[hotrod]

Ive read on other threads, probably on this forum that in the situation we will be creating, a high pressure moisture area is created around the edge of the slab. Is there perhaps a product which could be applied to the wall/DPC which would bond it nicely together? We were thinking perhaps a bitumen type affair?

Thanks in advance.

Not sure on the exact detail you've got to work with, as I struggled to picture it in my head from what you wrote (but it is it late ). Thinking maybe IKOPRO SYNTHAPRUFE could be the answer to your problems.

hth

 

[Fevvahz]

Thanks for the reply hotrod! I shall do a quick diagram, but I think you've hot the nail on the head. The key thing is whether the product will bond to the damp proof course product we'll be laying under the slap. I should think they may be able to help if I give them a call.