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Currently having various roof repair work done. I'm not completely happy with a dry verge that has been added butI don't know enough about roofing to know if what's been done is right or normal or not. The dry verge has been added to the side of a lean-to roof on the single storey bathroom at...

Been trying to figure this out. Saw a few more ideas online now and am more unsure so thought best to ask here. I want to level the downstairs concrete floors as they are all at different levels throughout, very rough and uneven, and there isn't a full and proper DPM so want to add that. I...

My dad wants to install a Winterwarm WWDF20N bathroom heater. As the heater needs to be fused at 13A, he was going to add this to the shower's circuit which has a 40A MCB protected by RCD, and is a 10mm radial circuit... Basically spur off 10mm, double pole FCU 13A, then 2.5mm to heater. I...

We are looking to remove a ground floor wall which appears to provide intermediate support for the first floor joists. From looking at various building regs tables it appears that removing the wall may cause the span to exceed the maximum allowed amount. The house wasn't exactly built to the...

Maybe I'm misinterpreting the instructions, but to me this appears to be a contradiction. The internal wiring diagram for the Horstmann Thermoplus AS1 states that "A link L - 2 is required for mains Voltage applications", while the other wiring diagram states that "Terminals L - 2 should not be...

Might aswell ask this here... We're almost ready to have the central heating system connected up to the boiler and will be arranging to have the new guy back to fit trvs, connect pipework to boiler, flush the system, balance rads, etc. I need to install a wired programmable thermostat. Though...

We have a exterior wall section of our house's main building that is single skin and so am slightly concerned for condensation and potential water penetration due to lack of insulation. The wall is currently bare brick on both sides. I understand from a bit of searching that there may be a few...

We currently have the majority of walls with vertically hung lining paper that has been painted. The walls are all in good condition and appear to be flat and smooth. The main downside is the lining paper joins showing. I was debating whether to remove the lining paper to paint the walls, but...

Yesterday we had a Gas Safe registered company install a Heatline Caprizplus 24a combi with a temporary loop for the central heating. My partner has just woken me up at 2.30am with water leaking out severely into the cupboard. I've had a look and the pressure was high. I do not know why. I've...

Looking for advice from anyone with experience of conservatories and small extensions... Let's say a conservatory or extension doesn't need planning permission as it does not exceed the conditions set out. Presumably it will still need to comply with any related building regulations, and...

Want to check a couple of things regarding electrical supply for a pond pump. The plan is: standard plug connected to an internal socket >>> cable from plug through wall into external conduit >>> external switch >>> cable through conduit >>> pump I believe the above is correct but just...

Straight forward question... straight forward answer, I hope. Building inspector stated that for covering the three RSJs we have to use either: 1) single fire rated board 2) doubled-up normal plasterboard 3) paint RSJs with fire-resistant paint, then single normal plasterboard What I...

A couple of (hopefully straight forward) questions about connecting mains smoke alarms. I had asked but no response in a thread I made in the alarms forum, so hoping to get a quick reply here. 1) Do smoke alarms not need to be fused? No FCU needed? 2) Building Regs appear to state that...

I need interlinked mains powered smoke alarms installed pretty sharpish... I was aware that there are radiolinked alarms available to remove the need to run new wires all over the house connecting them, but was shocked at the prices I have seen so far. Hard-wire linking the upstairs alarms...

We currently have a freestanding cooker which is wired with 6mm cable to a 45A mcb, but will soon be installing a separate hob and built under cooker (it is likely that they will either be 30A or 45A rated), and I needed some clarification on the correct mcb and wiring. We also have a...

I have a switched and neon fused connection unit on a ring main. When the switch is in the off position and checking the Load live and neutral connections with a voltmeter, both are giving a 240V reading. When the switch is in the on position the live gives 240V and the neutral gives 0V, as...

Hi DIYnot! So, I'm having to replace the bottom cast iron section of a previously unused soil stack which will be for the toilet and waste from the bathroom being installed upstairs. It was completely blocked from the clay pipe bend at the bottom, near enough all of the way up to the pvc pipe...

Hi, I have a bath popup waste with overflow, but cannot figure out how the overflow part is supposed to be fitted. I've tried contacting the manufacturer/supplier but they have been no use. Looking online at similar models that have fitting instructions, the designs are different. Usually it...

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I'm after a little bit of advice concerning plastering in the bathroom we're moving upstairs (early 1900s house). Three of the four walls are interior studs with moisture-resistant plasterboards fixed. One wall is exterior brickwork with original plaster. The ceiling is plaster and lathe...