insulation

  1. F

    Alcove bookcases on external wall with damp issue

    Hi all, looking for some advice on a new project I am hoping to get done this month.... I'm planning to build some some built in bookcases in the alcoves in our dining room (see attached pics plus one of the kind of thing I am thinking). The main issue is it's an end of terrace wall which...
  2. H

    Internally insulation log cabin - condensation

    I'm actually in Sweden but I'm a brit so thought I'd try on this forum. We have an old (150 yr old) log cabin which I am renovating, currently insulating the upstairs. 2 x 4 stud walls with 100mm celotex between studs, VCL, then 50mm Celotex over studs. The walls are very uneven so there is a...
  3. desperate-unbodger

    (yet another) integral garage thread

    I've read a lot of threads like this, but don't think I've found quite my answer yet (which probably just means I haven't found the right thread yet). I've got an integral garage on my 1930s house. The previous owners constructed over the top of it so our en-suite and half of my sons bedroom...
  4. M

    Grinding block work thinner - can it be done? How, please?

    Hi, Can I grind down the front surface a breezeblock wall once its in place? This screen shot, from a video we took when adapting the house, shows the breezeblock wall level with the outer level of c and d. I want to remove c and d, so how can I get the breezeblock back to that same...
  5. E

    Mouldy Rafters / Poor Ventilation in Loft

    We have a problem with white mould on our rafters, which has been put down to poor ventilation. I am hoping for some advice on how to improve our situation ... This is a late 19th century terrace house with a London pitch or butterfly roof, which gives us two completely separate, shallow loft...
  6. H

    Ground floor feeling colder after floor insulation

    Hello everyone. I'm hoping someone could assist me with a bit of a dilemma. Around 2020, we carried out some renovation to our 1930's semi-detached home. As part of the renovation, the whole ground underfloor, which is suspended with a metre or less drop, was insulated with mineral/rock wool...
  7. D

    Cramped and awkward eaves space - best approach for roof insulation

    When I had my loft converted, the builders did not insulate the eaves, just the wall separating the inside of my house from the eaves space. Building control were fine with this. I think the builders did a good job, they just chose to insulate the easier surface (the wall) and at the time I...
  8. C

    Draughty walls.....

    Have brick-built barn, which has been previously converted by putting timber studding about 30cm from inner brick wall and covering with Kingspan. 2 of the rooms are at angles to the rest of the building and are much colder, both single story with vaulted ceilings. Both have huge draughts...
  9. charliedanlemon

    Insulation Detail Steel portal frame help please

    We are erecting a steel portal frame 8m x 12m i have positioned the 9 inch treated purlins with small wooden blocks beneath them so I can attach white corrugated tin beneath the wooden blocks will enable the edges of the corrugated tin to slide in, and sit over the i-beams by approximately 20 mm...
  10. nogoodatall

    Laths and plaster wall terrace flat

    Renovating our study in a 1880s Tyneside terrace flat on the first floor. We have come across half brick/ half l&p internal walls multiple times while renovating other rooms in the flat. One (on the first floor) we removed altogether, the other (also first floor) we took out the bricks and...
  11. T

    Warm or cold flat roof for concrete deck with overhang?

    Hi, I have a single-skin brick extension with a concrete flat roof from the 50s/60s that I’m getting re-covered. The concrete roof overhangs the exterior by 100-150mm. I’m trying to decide whether to go warm or cold roof. I originally thought warm but now I’m concerned about potential...
  12. W

    Insulation between floors on a 1960s Chalet style house?

    I removed some of the tiles on the rear tiled section between the ground and first floor on my 1960s Chalet style home to remove an unused old extractor vent. A piece of sarking felt was missing (for the old vent tube), and I could see half way towards the front of the house until an internal...
  13. Mikeyshaw92

    50mm Kingspan acceptable for inner single skin brick work?

    Hello all, I am currently converting my single skin garage into a useable space, I have already boarded and insulated the ceiling. My next job is putting a timber frame on the wall ( 38mm x 63mm CLS timber ) DPC behind the frame touching the brick, then insulate between the frame ( 50mm...
  14. E

    PIR Insulation over studs (not inbetween)?

    A question about insulating stud walls. We have a room in the roof, and the eaves space is uninsulated. I have formed an opening into the eaves space (as was sealed off), and I am in the process of rolling mineral wool insulation in between and over the floor joints to insulate the ceiling to...
  15. M

    Thermal downlight hoods

    Hi all, looking to solve my draughty downlight issue in my kitchen – unfortunately the cavity is inaccessible due to a tiled bathroom floor above so I’ve been looking into flexible fire hoods that can be fitted through the cutout from below. Found the conical ones from Thermahood, but at almost...
  16. A

    Can you cut 20mm PIR into spacers to maintain void between 50mm PIR & shed wall?

    I'm insulating my shed to use as office. It's quite thick and sturdy, like a log cabin in construction. I'm planning to attached 70mm deep (finished size) stud frame to wall, fit 50mm cellotex (leaving 20mm air gap behind it), then tape and plasterboard. Battens seem to be either 19mm or 25mm...
  17. P

    Eves loft storage space - to board or not to board?

    Am having a hip to gable loft conversion done hopefully this Summer. I've heard in some quarters that the eves cupboard storage space should not be insulated and boarded up in order to allow flow of air. Yet many people apparently have this done, either to avoid drafts, heat loss, or for...
  18. A

    Help to insulate damp solid wall behind cupboards in converted stable

    Hi there, Any help here would be appreciated. I have recently bought a converted stable, in my living room I have cupboards and a seat against a solid wall (see below). I want to insulate the wall behind the cupboard. The wall behind the cupboards is very damp and makes keeping the...
  19. G

    Mould in top corner of room.

    Hi I have a top floor bedroom where where at the external corner of the house there is a cold spot and where mould keeps forming. See the thermal image here. How are cavities formed around corners? Any ideas of the next step ? I don't think I can get a camera down the wall cavity that has the...
  20. D

    Shed Roof Insulation

    Hi All, new here so please bear with me. I have recently replaced the flat roof on my brick built shed and am thinking I am wanting to insulate the roof as I am getting condensation on the underside of the roof boards. I have some left over loft insulation, enough to do the job, so was thinking...
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