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Hi, thanks for the replies. I did not realise that the whole section between two threaded joints would have to be replaced. I think that would make it a non-starter. So... second question: is it possible (allowable) to install the new pipe inside the stud wall, next to the original steel...

Hi all, before I start I should say to avoid anyone jumping on their high horse this is is *not* something I'm proposing to DIY, apart from the associated works of lifting floorboards etc. I have Instagroup coming next week to install a new boiler. Because it's a big company, it's been almost...

Thanks, have tried to ask the installer, but can't get through to anyone who actually does the work, just an office. The pipe I have is 22mm - 35 won't fit between the joists and insulation boards. Thermally it should be the same as being inside, as it's under the insulation. Ed

Hi all, I have a question about installing a condensate pipe for a boiler. We're having a new boiler fitted in the loft, but at the moment I'm redoing the bathroom where the condensate will discharge to an internal stack. Rather than put the bathroom on hold till the boiler is installed or...

Late reply, but if this is a BISF house then the wall between the kitchen and hall (and between the living room and dining room) has an RSJ in the top of it just below ceiling level that supports the front-to-back steel floor beams upstairs. There is also a vertical steel stanchion in the corner...

Just my opinion that I wouldn't like it, but I know I'm fussy about things being symmetrical or logical-looking in my mind. I wouldn't like the fact that the ridge doesn't line up with the original house corner. Ed

I'd say that would look terrible. I know your friend has said he doesn't want to a flat roof, but it would look a lot better than that.

Can make insulation difficult as obviously it cannot be insulated in the usual way with loft insulation.

First question is do you like the chimneys? I tend to think in general, original features should be kept where possible, but on the other hand I can't say I like them. It's all a matter of taste. Victorian brickwork isn't to my taste - too unfriendly and grimy looking... but then I've spent...

Replacing a boiler of that age should cut your gas usage by about 28-33% for the same heat output. That's not including the heat loss and associated discomfort from having a gaping hole in the wall to supply it with air... remember the starting point for cutting heat loss is usually...

If it's anything like my Potterton one it's not hard to DIY. Just like rewiring a plug, just with more wires. I made a careful note of which went where when I took it apart and then reassembled in the new location. It wasn't rocket science. Ed

Hi, I've been looking to get quotes for the replacement of our Baxi Bermuda back boiler before the start of the next heating system. Was thinking of staying with the present vented system, so getting a heat-only boiler to minimise disruption etc. I've done some calculations and 12 kW...

Marley Eternit still make fibre cement profiled sheeting. It looks a lot like asbestos cement, but does not contain asbestos. It's mainly used for commercial and agricultural buildings. I guess for small structures like sheds and garages most people prefer the convenience of bitumen sheeting...

Is the roof deck board on timber or is it concrete? Many constructions of this rough age have flat concrete roofs.

Insulation value of plywood is negligible, he's either clueless or having you on!

Proposal is to add an 18 mm OSB3 or ply deck with a standing seam metal covering such as Euroclad Vieo or Tata Colorcoat, if the weight is not too much. As it's an unusual structure for a domestic roof there's little information - it's more like a warehouse or barn roof but on a smaller...

Yes, sort of, it's a corrugated asbestos cement covering on a steel framed BISF house. Looking it up, asbestos cement has a density of 1,550 to 1,950 kg/m^3. I'm not sure of the exact thickness of the sheets, but assuming 1750 kg/m^3 and a thickness of 5mm that would be 8.75kg/m^2, not...