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The UFH setup was designed by the heat pump engineer. He's coming back to discuss the options with us. Apparently he did discuss using the cementitious board with the builders, which they've not done. On the ground floor we only have one zone.

Yes, it's just the retrofitted area that's the problem. The underfloor heating in the extension is working well, this had screed poured over it. Absolutely we'll be taking this up with the builders, I'm trying to establish all the facts before I deal with them.

Thanks, that's useful to know, although obviously not what I wanted to hear. The UFH in the main extension was fitted by a specialist company sorted by the builder. The retrofitted underfloor heating was fitted by the builder under instruction from the heat pump engineer. The heat pump engineer...

We've adjusted the flow pressure to the pipes (red ones) that go into these areas. (This is an old photo so doesn't show that this has been changed.) It sounds like we need to focus on the pipe issue first and worry about the squeaking later. We're going to have to take the floorboards up to...

I didn't, we were living elsewhere at this point. In fact I think this might have all been fitted during the week we were on holiday. The bit of board I removed isn't routed, and, I'm asssuming that as the spreader plates were used none of the other boards are routed. Wouldn't it be a case of...

As part of a renovation project, we have had underfloor heating retrofitted downstairs in two rooms and a hallway. Insulation has been added between the joists and then pipes (16mm I think) have been laid across aluminium spreader plates. Above this is 22mm chipboard flooring. The rest of the...

Hi. We had a blocked toilet on a recently installed new bathroom and I've been out to look at the soil pipe. It had overflowed into the gutter. I could see that the blockage was sitting on a waste pipe that spans almost the entire width of the soil pipe. It was effectively forming a shelf for...