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I'm thinking more that if I put the foilboard on the outside the walls will not be breathable so any trapped water may cause issues. I like the idea of the foam though.

That all makes sense thanks, I was thinking of putting the foilboard externally to give a "warm wall" effect in a similar way to a warm roof but I suppose keeping it breathable is the idea. So if I go studs > OSB > tyvek homewrap > air gap? > External cladding. Is the air gap required to enable...

Having thought about this more my current train of thought is, from the outside in..... 38mm loglap double t +g cladding Tyvek house wrap ( with battened air gap?) 11mm OSB 4" stud with 50mm insulation (polystyrene) between 25mm Kingspan all seams taped Battened Air gap Internal timber cladding...

Hi all, I'm planning to build a large garden Room and want to do it to a decent spec. Planning to use double glazed pvc windows/ doors and EPDM roofing. For the wall studs I'm probably going to use 4x2 C16. The outside will be glad in 38 mm thick double tongue and groove loglap. When it comes...

Thanks for that, it may well be the option I go for. I did get it in my mind that I needed to convert the lead to 15mm copper then cap but I suppose I could use another option. Do you need to come out of the fitting with 25mm pipe and then fit a stop end or do the bung things I have seen get...

Thanks for the reply I wouldn't want you to go to too much trouble and don't want to sound ungrateful but a pic won't really be needed. I just wasn't sure if I remembered it correctly, I realise leadloc is a brand and others will be different but even the ones I see online described as leadloc...

My brickwork is already painted with masonry paint (dulux trade weathersheild) and the bottom couple of courses with black bitumen paint. Problem 1 The problem I have encountered is that I am getting salt behind small areas of the masonry paint (tried to leave it to dry out but driving rain...

Hi I'm replacing my lead water main and as part of this I have to cap off my existing lead supply at the boundary to my property. I have used leadloc a few years ago and was fairly happy with it. I've looked at leadloc type connections now and seen that they come with rubber type seals, I may be...

My brickwork is already painted with masonry paint (dulux trade weathersheild) and the bottom couple of courses with black bitumen paint. Problem 1 The problem I have encountered is that I am getting salt behind small areas of the masonry paint (tried to leave it to dry out but driving rain...