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As summarised in my other thread about a separate issue I have broken up and removed a concrete ground floor slab in a house, which was sitting on top of about 200 mm of loose stones (with the DPM separating the two layers). These stones are just that, with not much in the way of graded finer...

I have broken up a solid concrete ground floor and excavated the underlying material (to a depth of around 200mm, level with the footings), to install under-slab insulation. The excavated material appears similar to beach shingle consisting of slightly rounded, mainly flint stones. The largest...

Hi, not sure if this is should be in the plumbing or building forum. I want to install a new ground floor toilet which involves teeing into the existing soil stack below ground level. I have already cut a 4 metre long trench through the floor slab and dug out enough material to install the pipe...

There is something don't understand about concrete block strength vs brick. Most of the blocks on sale are advertised as maximum 7.3 N/mm2 (occasionally I see 10 N/mm2 but rarely more). This goes for the dense, hard to handle blocks as much as medium density or even aerocrete. I am no expert...

I want to install an extraction vent in the ceiling of the shower cubicle: Is this a done thing/recommended in general? If I use an inline extractor fan which is installed in the loft as shown above, does this count as a non-classified area (DIY fair game)? Are there any kits for this type...

Hello, I want to install some downlights in a grid pattern with 2 independent zones. I was thinking I could do it as shown attached, is this OK? Online resources seem to suggest junction boxes are required. Can't the connections just be done in the light fitting terminal blocks?