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Hey there, I'm visiting my parents' place at the moment and noticed a crack in the plasterwork in one of the bedrooms. It runs from under the window in there all the way to the floor. It's vertical (at 90 deg to the window), but does go horizontal for a short distance. Very much like this...

Thanks very much for that - very useful advice. I've already replaced the front door with a GRP door (replacing a single glazed metal job, which, frankly, urinated warm air like I had money to burn). Appreciate what you're saying about the unintentional gaps, though. To be fair, the house itself...

The pricing is totally linear, so the sqm cost is entirely the same (although doubles if you go for 100mm over 50mm but that's to be expected, if you see what I mean) so I'll probably just bung another 50mm all round - it'll probably be about 100 quid all in to (if that) to do the whole...

Hi there! My house is 1950s-ish and I've got a large void under the ground floor. At present, I've got 50mm of sheeps wool insulation between the joists here, but having just been reading up on this, I see that this is far from adequate. However, there seems to be no consensus on exactly how...

Yes! That's exactly it! I was going to grab some more photos tomorrow, but that's exactly what I was trying to describe. So it's just O-Rings and not an entire flange? Cool stuff. I'll give someone a buzz tomorrow. Whilst it's probably easily within my skills, I'll probably end up pulling the...

Hello! I've got a Baxi 105e combi boiler which is leaking from the circulation pump (Grundfos jobby). Whilst it does look easy to do myself, access to it looks like I'd cut my fingers to ribbons. Does anyone know how much I'd be looking at to get a CH engineer/plumber in to replace the flange on...

Whilst I imagine that none of you really care that much, having thought about it for all of thirty minutes, I've decided the best way to do this is use the 25mm I've already got between rafters, have a 100mm board going across the rafters (ie between rafters and insulation backed plasterboard)...

Ooooooooh. That makes things easier. Thanks. Still difficult, but more doable now.

I've gone with putting 25mm Celotex between rafters and then 52.5mm (40/12.5) insulation backed plasterboard under that. Reason being is I've then got the requisite air gap above the Celotex, then a reasonable level of insulation on the plasterboard. Down side is this is well below the...

Bloody hell. That's going to lose me a massive chunk of the room! :( Thanks for the advice, though - I'd have serious underestimated that.

Scratch that... it looks like (having just found somewhere else) that as long as there's 50mm between the end of the wall and where the insulation starts (to allow air flow) that I'm ok. I think.

Hi there, I'm re-plasterboarding a ceiling. Directly above this is the roof. The house design is somewhat odd, in that the roof comes down about six inches from where the plasterboard will be. As such, I'm not sure what the building regs are on if I can put roll insulation here. Any thoughts...

Hi, I'm looking at using an AMX ENV-VST-C in place of an existing 2 channel heating timer/controller. At the moment, the wiring is a channel each to CH and HW. If I'm understanding this right, the document at http://www.amx.com//techdocs/ENV-VST-C.OperationReferenceGuide.pdf (PDF...