pir insulation board

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    Advice - add PIR insulation between rafters inside kitchen and plywood over the top

    Hi All, We have a kitchen which is absolutely freezing in the winter, because there is no insulation in the roof. Please see attached picture, we have rafters which are 42mm deep, with plywood, a membrane and the on slate on top of those rafters (no insulation). I would like to buy 40mm PIR...
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    Screed on insulation which thickness?

    Hello is there a rule for the maximum thickness of screed i should use? My garage conversion has around 20cm concrete. I am going to put 100mm PIR insulation on top of the DPM. how thick can i apply the screed? 50mm?
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    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...
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    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...
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    Superfoil/multifoil insulation - is it any good for IWI in 2022?

    Hi All, About to start a detached Victorian 3 bed renovation, as usual solid brick walls so no cavity to insulate. It has been a while since I've done some internal wall insulation, previously I've always used PIR on treated battens. I've spoken with Superfoil and they tell me their SF19+...
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    PIR insulation board cutter

    I am about to start insulating an extension roof. It involves cutting a large amount of 100mm PIR insulation board. Having cut a few bits already with a hand saw, it is very hard to get a straight line at 90 degrees all the way through. There is a Festool PIR cutter which looks perfect for the...
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    loft insulation advise please

    hello my upstairs bathroom renovation is finished now so time to insulate the loft my rafts are spaced 60cm apart raft height 10cm currently there is 100mm insulation between rafts ( house was build 1990) might replace some of insulation I should be straight forward, putting legs 175mm, 1700mm...
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