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Thanks Tell80, No plan to use this fireplace, so we won’t be getting it swept but I guess it makes sense to use steel or concrete rather than timber in case anyone in the future decides to fire it up! Fireplace has 2 fixing lugs, and two small bits that extend at the bottom that look like they...

Thanks again. Sounds like a plan. best, john

Many thanks for your reply mrrusty. So you reckon I should keep working up until I reach the arch, then lintel and infill again? there must be an arch up there somewhere right?? Cheers, john

Hello, I’ve just opened up a previously bricked up opening in a chimney breast to reinstate a cast iron fireplace. You can see where the original fire was removed - the area was rendered in with cement which I’ve now removed. The replacement skirting was concrete too! First time I’ve seen that...

Thanks for the advice. Much appreciated. John

Thanks ker plunk. Yep, I've washed it all off. So you don't think it's mould? That's good news. Guess it makes sense as it's nearly all on the cold back wall. J

Thanks Notch. Just had a closer look. Do these pics clarify? The chimney looks pretty leaky...

Hi, Recently discovered mould on the south facing wall of my house close to the party wall. It was hidden behind a cupboard so we didn't notice it developing. I'm not sure if this is from condensation or a leak. Can't see any obvious places for water to get in on the back wall. There is...

All working correctly now. Thanks a million. J

Great, thank you. Only minor ocd here so I should be fine! Mine receiver stopped working. It still received a signal from the thermostat (the led would light up when the stat called for heat) but it wasn’t sending a signal on to the boiler. At least this is what the plumber decided. We tested...

So it should be: B1 to com1 B2 to no1 Correct? Thanks again. John

Many thanks for the reply echoes. This was exactly what I was after. Was just unsure whether to wire into the alternative relay rather than the heating zone. My boiler is a viessman combi 27kw with a small reserve tank built in. I do have hot water underfloor heating on a separate zone...

Hi, I am trying to replace a broken and now discontinued heatmiser rc1-w with a newer heatmiser from switch. I had to get a plumber out to diagnose, but he didn’t have the spare parts, so I said I’d wire in the replacement as it was just a case of putting the same wires back in the same...

Thanks for all your help. As usual there is no simple answer! I'll chat to the BCO this week and see what he recommends.

Thanks Hugh, I will talk to my BCO next week about this on his next site visit. Just wanted to be armed with what is and isn't possible… The drainage situation is a bit unusual I realise, but then so is my build! It took a whole lot of investigation and demolition to find out what was...

Hi, I have no soil stack on the outside of my house. The waste from the existing toilet (on the ground floor) goes straight down into the concrete subfloor behind the loo. kitchen and sink wastes go into a gully. I have built a new extension en-suite directly above this toilet, and I'm...

Thanks for your response pinenot. I was really just wondering if the osb at that thickness would do enough to support the acoustic pb above it, ie spreading the narrow loading of the joists, but I think I'll just play it safe for the sake of a few mm and use 18mm. thanks again.

Hi, I want to sound proof my mezzanine floor from the (rented) room below. I have read a load of threads on this and decided that I will use soundblock PB on the ceiling below (maybe 2 layers), acoustic rock wool 100mm between joists. osb, then acoustic pb then acoustic mat then floating...

Thanks for your replies. tony you're right, the proportions are all wrong. The joists are actually specced at 195mm so the projecting fascia would be pretty thick. If I were to step the fascia back to the beam like you say woody, the projecting bit would be around 350-400 thick which...

hi, I am rebuilding the rear extension on my Victorian terrace, and would like some advice on dealing with cold bridging and detailing where the roof meets the back wall (which will have 3m wide folding doors in it.) Apologies for the drawings, I suddenly got obsessed with this on a...