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Thanks all... I didn’t think filling void with beads was a clever idea! Unfortunately I do not have a large enough crawl space so unable to do the work from the underside. Looks like I will have to lift up the boards and either use wool or celotex. I have the following planned Changing...

I am planning to insulate the subfloor in my bungalow. Lift laminate Lift floor boards Not sure on joist depth but I will insulate this amount with either celotex or mineral wool, leaving the void below free for air flow. Replace/refit floorboards Replace laminate Obviously the main...

I have had a quote to get cavity wall insulation installed however the company is not CIGA registered. Platinum Beads 60mm Cavity https://www.am-energy.com/ Company appears to be reputable. Is the CIGA guarantee worth the paper it is written on?

Thanks for the reply. I have got a architect due to come over in the new year to discuss in more detail, I just like to get clued up on things before I talk to the experts. I have added a few pictures of one of the dormer rooms. On the picture I have added notes, I have 100mm of space between...

1950s Bungalow with a Dormer conversion done in approx. the 1980s. Get a fair bit of traffic noise from the sloping roofs in the Dormer areas. Plaster boarded with wallpaper. I assume there is no insulation behind this. The roof rafters are 75cm/3". What would be the best type of insulation I...

I have noticed on one side of the dormer in the crawl space the end of the joists are exposed (have not checked the other sides as of yet). I assume I am losing vast amounts of heat here as the rooms below have a draughty feeling. Would Kingspan\Celotex be suitable to fill these area's or can...

Yes. I have a draught coming from some where in the rooms downstairs - in the area's to the side of the dormer so I am assuming/hoping it may be from area 1. Main objective firstly is to stop heat escaping from downstairs.

See notes in RED which I have added on to this example below. My plan was to top up insulation (to 400mm) in areas 4 and then 1. Would I notice any real difference to this taking into account there are area's 2 and 3 that need to be insulated as well?

I plan to lay 2 layers down - of 200mm each. So totalling 400mm. The crawl space is a bit awkward and it doesn't look very nice up! Not a job im looking forward - especially if I am removing the old insulation!

Morning, yes however I am not sure I have explained correctly. 70mm Depth Original joist 200mm Depth New joist The width spacing of the new joists is 380mm When insulating 200mm I will have to compact it slightly as where the old joist is the total depth (new to original joist) will be 130mm.

Hoping to start this shortly... still undecided if I should remove the current insulation and start from scratch or lay over it? If I am correct the original joists are 70mm depth, the joists which are set I assume from the dormer extension are 200m depth. It appears that the original joist...

I want to join\extend the Dormer windows on my 50s bungalow (dormer converted in the 80s). The bathroom inside has the 2 slopes either side, want these removed. Would this be an "easy" job? What should I be roughly looking to pay for this? See pictures....

I am still in 2 minds to lift the current insulation, bag and take to local rubbish tip. The dormer area is a tight fit and whoever laid the insulation has done an awful job - see pics.

This Homebase deal works out £12.75 a roll which ain’t bad. Is it possible to have too much Insullation? If I add 400mm and some parts are already 100mm ... il out touching 500m on some areas

I am planning to increase the insulation in my very chilly dormer bungalow. Loft and Room in Roof. Current insulation is very patchy and prob not much more than 100mm Should I remove the old and lay the new? or lay the new on top of the existing? Removing will be a pain however then the laying...

Might be eligible for CWI and RoomInRoom grant... so will look into this further.

Thanks. I think I will look at getting the dormer area insulated to start off with and then move on to the cavity walls. Although I would like to get rid of the constant cold feed so subfloor insulation will also be on the list. If still draughty would having the windows done after the cavity...

What was the reasoning behind have 50mm Kingspan and the rockwool on top? I was thinking of just using 100mm Kingspan. Were your boards T&G? Any special tools you used to get them up? What did you use to sit the Kingspan on to prevent it dropping through?

4 Sept > 2 Dec (90 days) Gas usage 7456kwh @ 2.88p each = £215.11 Standing charge @ 17.6p

Great job! How did you fix the wall insulation? Was this a cavity or solid brick wall? Any reason why you did not consider external wall insulation?