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Hi all, I'm having an extension built (6m x 7m) and installing wet UFH. The architect has specified the floor construction from ground up as 1, scalping oversite 2, DPM 3, 100mm celotex 4, 100mm concrete 5, 75mm screed The UFH pipes will be clipped to the 100mm concrete prior to...

Hi all, I'm planning to fit walnut floor on my ground floor of my house. The existing screed (30mm) is uneven so will be taking up back to the concrete oversite. There is no damp proof membrane other than bitumen painted onto the concrete oversite before the screed was laid. I cant raise...

Hi all, plan to change my metal tank for a single skin tank Ive read the oftec rules but have a couple of questions. 1 - When it mentions controlled water, what is it referring to? water main? drainage? 2 - The neighbour has a well in his garden which is about 30m away, the regs state a...

Hi all, you help is needed. Call me stupid if I'm missing something obvious. Regarding underfloor heating pump and blending assemblies. I have a few questions. I'm replacing my entire sytem with grant oil boiler and pressurised indirect solar cylinder, there will be mainly radiators but...

Hi all, usual question but I have no alternatives. I'm having a loft conversion and have a shower enclosure to install. I can run the waste paralell with joists but need to go 90 deg across about 3-4 joists. The tray has to sit on the floor as I have not enough head height, so no...

Hi guys, help needed before I change my immersion. My water seens to heat up slowly and not very hot (im on electric and have immersion only), it has heated up scalding in the past, but seems slow and warm but not as hot as usual. Stat is fine, but resistance of element is 3.8M ohms across...