insualtion

Hi all I have an old mid terrace property with old uninsulated stone walls. I’m planning on using PIR insulated plasterboard affixed to a 25mm timber batten frame. I was thinking of adding 25mm rock-wool in between the timber battens just for added insulation. However My question is, would...

Has anybody used or had experience with the specific brand, "Therma-Foil"? https://www.therma-foil.co.uk/shop2/ I am considering using it as both some form of insulation and a vapor barrier. I have a suspended wooden floor, well ventilated below with air-bricks that are all clear. The company...

So I got a single skin outhouse with a dpm below concrete and I’ve tanked it for good mesure. Plan was to 2x1 batten out walls at 400mm apart with a dpm strip behind & not touch the floor with them. Then 50mm PIR celotex over the top to create a small cavity (taping joints) then foil back...

Hi all, hoping someone can give me clarity on if my plan will work. I have a 4.5m x 3.5m single skin flat roof outbuilding which I’m planning to use as a bar/man cave. There is a DPM below the concrete & I have also tanked the walls & floor for good measure. my plan was to use 2x1 battens with...

Hi All I am planning to build a summerhouse/home office so it will need insulating. I wonder if you kind people could offer me your thoughts on what I am thinking of doing? Floor support will be timber frame and joists (47x100) on concrete piles. I was intending to put baton in the joists at...

Hello, We have a bungalow with a dormer roof which has vented soffits (image attached) in cold weather the soffits allow cold air into the roof so the edges of the ceiling are colder and moisture condenses on these cold areas which leads to mould (image attached). I have recently fitted a loft...

Hi Newly built attached garage with utility at the back. The utility has a warm roof. The garage is not insulated but caviry wall between garage and utility room. Should i be insulating the top of the walls, sealing the gaps where the joists run? If so what the recommended method? Photos...

Hi All, I'm looking for a bit of on advice. My house (1920's bungalow) is notoriously cold and had condensation issues. I've replace the floors due to wood worm(suspended floor, strip foundation) and insulated with rock wool as I went - this doesn't seem to have made a huge difference to...

I have an air vent inside my childs bedroom that means the room can get pretty cold. https://assets.pinterest.com/ext/embed.html?id=928093435685730364 Inside house vent https://assets.pinterest.com/ext/embed.html?id=928093435685730409 outside view of vent. I was hoping to buy a better hit and...

I recently heard (not sure if it's true or not) that there is zero vat on insulation as an incentive to insulate Britain's homes. I just been to my local building yard and wanted to buy some insulated plasterboard and was told that 20% vat still applies, and was told that the zero vat is only if...

Hi, just looking for some advice on something. I’m getting a sunroom/extension built at the back of my house and noticed the builders are using 120 mm thick Kingspan floor insulation boards (TP10/TF70/TW55) whilst the Architect’s Outline Specification states that it should be 150 mm thick...

Hi there I have a tenement flat in a tenement building built in the 1890s. I've just removed the ugly upvc window casing and wooden stool or sill. What's left then is the stripped upvc windows in wooden frames, sitting on the sandstone exterior wall. I like the original wooden panelling and...

Evening All I am researching external wall insulation and have learned so much from the posts so thank you to all who have contributed. I have an 1800 cottage which has been extended in the 1980's. Externally the cottage is painted white directly onto brick (no render) which is flaking off in...

Hi All, Probably got the wording wrong but my newish house has no beams or insulation in the loft which is weird. Is the insulation behind the ply? Do your think I could board this and walk on it? Thanks!

Timber Frame annexe has cladding, battens, breather membrane, OSB, then 150mm timber frame wall Inside: celotex between studs Then what's my best option as regards insulating, vapour barrier , service voids etc A multi foil insulting vapor barrier seems a good idea ??? If constructing...

I have a timber frame structure mounted on concrete blocks around the perimeter, which are bedded on a concrete base.The concrete base has a membrane but is cut off flush. as i'm doing a solid floor inc Ufh made up of 150mm celotex , a seperation layer then UFH stapled on top , before a 75mm...

Hi Guys, I am about to put in my insulation between the rafters after my electrics first fix, The question being do I put the insulation in so they are flush to the bottom of the rafters or can I put them above my wiring as long as I leave my 50mm air ventilation gap? There will be 50mm pir...

Hello I was hoping if someone can help / advise? I have 1930's house and the floorboards are 5" T&G; I am struggling to find the same size. Someone suggested that I use structural Hardboard Plywood and it can be cut to make joints where I have electrics, gas water pipes running to make it...

I'm currently renovating a my new home which is a late Victorian house, and I've taken plaster off a couple of stud walls in my office. With in the room, there are currently (The house was rewired around 7 years ago). 1 Run of 1.5mm T + E for the lighting Circuit (running from floor to ceiling...

Hi all I’m planning on turning the garage into a workshop and have noticed this winter (we only moved in last year) that the corrugated metal roof seems to gather a lot of condensation. It drips down, not torrentially, but I’d want to sort it out before I get the electricity put in obviously...