loft insulation

  1. StephenStephen

    How long for loft insulation to fluff up?

    Slightly random question! I'm adding 200mm loft insulation, Knauf 200mm Super Top Up Loft Roll Insulation https://www.wickes.co.uk/Knauf-200mm-Super-Top-Up-Loft-Roll-Insulation---5-61m2/p/109451 Obviously it's not 200mmm on the roll, but how long should I expect to wait for it to expand once...
  2. StephenStephen

    How to insulate this weird space in loft?

    Hi all, We have a couple of cold bedrooms, the top half a metre of the walls have only plasterboard and lath and plaster between them and our cold loft. I can't work out how to insulate this section. Access is poor, lines are not straight, roof structure complicates things, diagram attached...
  3. StephenStephen

    Insulating internal wall which is currently open to the cold loft

    Hi all, We've a couple of rooms that are always cold. Having a lath and plaster wall which is internally open to the cold loft probably doesn't help! What is best to fill this space with? Can I seal up the top with expanding foam? Do I need to be concerned about condensation? The first photo...
  4. A

    Loft Insulation

    Hi, I am hoping for some advice. My builder has completed a loft and the building inspector has said the insulation is not sufficient as it has a u value of 0.22 and not 0.18. I have spoken to my builder and he says we could argue on the basis of height that additional insulation would not be...
  5. R

    Is 200mm loft insulation + boarding equivalent to 270mm just loft insulation?

    We have had a loft person in to quote to insulate and board our loft. He said that they will quote to install the following: 100mm loft insulation between existing joists 100mm loft insulation between new 4x2 lengths (perpendicular to joists) Chipboard resting on the new 4x2s I questioned him...
  6. aveatry

    Insulate sloping ceiling from Loft

    Hope this is the best place to post this rather than in my projects. But I had a problem and here is what I did. I have a sloping ceiling in the bedrooms outer walls because the room sort of gos into the loft space. So when I am laying insulation I am careful not to push it too close to the edge...
  7. C

    Is my, inaccessible, loft insulated or not?

    The house is a new build of around 4 years old. There is a bedroom above the garage. This bedroom typically remains 5-10 degrees colder than the rest of the house. The loft above that bedroom is inaccessible. I have suspected that that part of the loft is not insulated but had no way of getting...
  8. P

    How do you get about after topping up loft insulation?

    I'd like to top up my loft insulation. It's 100mm presently, and I'll add another 170mm laid over it. I'll no longer be able to see the joists, or walk on them easily. What do people do about getting around the loft in this case? Is there some trade secret? Or. does the top up insulation...
  9. C

    The attic (erm... loft?) from hell - where to begin

    Hello, I've just moved in to a new house this week. I'm really keen to get all the cardboard boxes with "attic" written on them into the attic, but after having my first peek up there yesterday, I'm not sure the boxes are headed up there as fast as I'd hoped. I've taken some pictures, but they...
  10. C

    Novice question about insulating a 'cold loft' - help please!

    Hi, I'm really hoping somebody can advise me. I have a 1960's town-house so it has a bedroom in the 2nd floor roof space, at the sides of the room are eaves-lofts / storage space. The loft is what's been described to me as a cold loft which I understand to mean that it should have some natural...
  11. A

    Loft Insulation / Lighting Question

    Hi guys, this is my first post. I have started clearing out my loft so that I can replace the insulation. Its pretty old and its due an upgrade. It is wool that is down just now and whoever installed it has left a space around the lights. I have been reading around and seen that this is a pretty...
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