Recent content by Kempchi

On two sides the slab is held up by a retaining wall with a 1-4 foot drop, the slab is about 200mm deep and there's a trench of that depth around the other two sides where the formwork was. My initial plan was to cut into the base, but I had some (bad) advice that I might want to build up the...

It doesn't seem wildly expensive (especially compared to lead flashing which would be hundreds) Claimed coverage is 9.25m from a 290ml tube with a 6mm bead. I think I need about 45 meters or so - five tubes should do that. At £13.80 a tube from Toolstation that's less than £70, so it is pricey...

Cheers Harry, the issue is that it's bolted onto the slab, and it's very heavy, too. The other thing is that it's not got a floor, the floor is just the concrete slab

Thanks so much. Apologies for ignorance, when you say “tanked” I assume you mean just make sure there is a decent seal? I used sikaflex construction sealant but it was during a very heavy rainstorm - unfortunately it was the only time I could do the job. If I follow your advice, I expect I’ll...

I’ve been having an issue with water ingress under my shed. It’s a 6m x 5m wooden garage, sitting on a concrete base that extends about 200mm past the edge of the shed on all sides. The shed walls sit on pressure-treated bearers, which are wrapped in DPC on three sides. Initially, I assumed the...