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Hello, To comply with the building regs I need to put in 270mm (well, 300mm is what my building controller wants) of rockwool. I think he's done this because my ceiling joists are 150mm deep. The area is about 12m2. However, what I want to do is board it out but don't really want to cheat by...

It's really the weight (and therefore the ability to get it up there due to a crane being out of the question), there are two steel joists spanning the length of the house (it's the only way it can go) and each one is split into three parts and bolted. Each third section weights about a quarter...

already have! it's upwards now :)

Hello, I'm having a loft conversion, but the engineering drawings have stated to use the heaviest gauge 10inch steel, which is weighing in at a hefty 90kg per metre. Which in my loft will comprise of 6 lengths weighing quarter of a ton each side (three per side bolted). We are looking at...

I am, MR board it is. I actually bought enough aquapanel to do the whole en-suite until I realised how heavy it is - I'd have to double up the joists! So I've used it round the shower and the rest is going in my bathroom.

Thanks, I also contacted some suppliers. I got this back from the adhesive supplier (of sovereign goldstar - which is the same as BAL white effectively) which says primer for cement based and no primer for polymer based: I can confirm that Sovereign Goldstar can be applied directly to wall...

Hello, I'm tiling a new en-suite. For the main shower I'm using aquapanel but on the areas not connected to the shower at all (i.e. they won't get wet, but obviously may get moisture), I'm just using standard gyproc wallboards. I want to tile directly onto them, using an acrylic waterproof...

Hello, I'm in the middle of a new bedroom extension and need some advice on extractor fans for an en-suite. The room is against the back wall and I'm going to fit a zone 1 extractor fan with light. I would say the distance from the fan to the eaves is about 1 metre, in a straight line...

Hello, My previous quote from celotex for 50mm in the rafters and 45 outside the rafters gave a u rating of 0.25. I'm hoping 100mm celotex just inside the rafters (with insulated plasterboard outside) will be the same. My regulations go back 3 years which had a rating of 0.25u. If not I may...

ah bums. Just realised from the structural drawings that the 100mm rafters are being replaced/supported by 150mm ones. So what I need to do now is find out the best way of insulating without going over the rafters at all (just plasterboard), i.e. I have a straight run of 100mm inside the rafter...

Hello, I don't think so. Well, I've never noticed any before in the house. I have a detached house in a quiet area. With regard to noise, my only concern is that coming through the roof given it's higher up and is a lot thinner than brick. Would you recommend accoustic plasterboard, or...

Thanks again. I've been doing more research into this and apparently if I do use multi-foil and put PIR/PUR before it (i.e. within the rafter) as some are recommending then there is the potential for condensation due to the differences in heat levels between the two. I've also checked my...

Thanks, that's a lot clearer. I'll go and see building control. I doubt they'll let me go for the last option given there will be no air gap. However, I've checked my specification which was passed and that says 50mm kingspan between rafters and 50mm kingspan after rafters. I can't see...

I need to double check, but I believe the part L requirement for my area is 210mm of standard rockwool (if using rockwool). I chose the multi-foil to reduce this height but keep the same thermal and hopefully noise levels. My existing loft membrane isn't breathable. Does that mean with your...

Hello, In trying to save space I've been looking at multi-foil for the ceiling insulation on my loft conversion. Given TLX (thinsulate) and Gen-X have BBA approval I figured it must be ok. I'm trying to work out how deep it will actually go to compare against normal insulation but there are two...

ok, thanks. At the minute it is wired using standard 2 core/earth loop-in system. I rewired the whole house myself so it isn't a big deal but I thought I could have saved some time with some magic wiring techniques I didn't know (I'm self-taught so only know the basics). I guess given I...

Hello, I'm converting two rooms into one (knocking down a partition) which means there will be two switches and two lights. What I want is to have just one light. i.e. convert to two way switches. Is there a way of achieving this without rewiring the switches to use three core and earth...

Sorry, I'm stupid ;) The fuse had gone after double checking. Don't know why I thought it had, I must have had my tester shorted with something else.

Hello, I have exactly the same fault (and alarm!) as this post: http://www.diynot.com/forums/viewtopic.php?t=141021&start=0&postdays=0&postorder=asc&highlight= Basically I changed a PIR for a new one (A petwise 3D) and all was well, I then took this PIR and replaced an older one. After this...