Alternative to spray foam?

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Hi

So I've seen this 

https://www.mortgagestrategy.co.uk/news/spray-foam-insulation-leaves-250000-homes-in-mortgage-limbo/

So, I really wouldn't want any spray foam insulation. What's a better form of insulation? One that doesn't have other issues down the line? 

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  • Ectophile
    Ectophile Posts: 7,331 Forumite
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    For most people, ordinary loft insulation on the floor of the loft.  There's no need for the spray stuff all over the inside of the roof.

    Lofts don't need to be warm, and they do need to be ventilated.
    If it sticks, force it.
    If it breaks, well it wasn't working right anyway.
  • QrizB
    QrizB Posts: 13,822 Forumite
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    edited 15 May 2022 at 2:24PM
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    As Ectophile says, cheapest and simplest is glass wool (or similar), supplied in rolls then laid flat in the loft space between and over the joists. This does make it difficult to use that space for anything else.
    PS @waqasahmed you've double-posted; you might like to delete the other copy of this thread.
    N. Hampshire, he/him. Octopus Go elec & Tracker gas / Shell BB / Lyca mobi. Ripple Kirk Hill member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 30MWh generated, long-term average 2.6 Os.
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  • waqasahmed
    waqasahmed Posts: 1,926 Forumite
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    edited 15 May 2022 at 4:02PM
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    QrizB said:
    As Ectophile says, cheapest and simplest is glass wool (or similar), supplied in rolls then laid flat in the loft space between and over the joists. This does make it difficult to use that space for anything else.
    PS @waqasahmed you've double-posted; you might like to delete the other copy of this thread.
    Not on purpose anyway. I can't even see your reply to that thread 

    How would we do it in such a way that you can still use said space?

    Also how about the roof itself? My parent's house has an attic, and there's a little bit above it that we don't use 
  • QrizB
    QrizB Posts: 13,822 Forumite
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    QrizB said:
    As Ectophile says, cheapest and simplest is glass wool (or similar), supplied in rolls then laid flat in the loft space between and over the joists. This does make it difficult to use that space for anything else.
    PS @waqasahmed you've double-posted; you might like to delete the other copy of this thread.
    Not on purpose anyway. I can't even see your reply to that thread
    Your other thread is here. I deleted my reply from that thread and re-posted in this one.
    How would we do it in such a way that you can still use said space?
    You can use loft legs, as illustrated in this article. This lets you board over insulation without compressing it (compressing it removes the air and makes it useless).
    Or you could use rigid insulating board instead, far more expensive but with a higher insulating value for a given thickness.
    Also how about the roof itself? My parent's house has an attic, and there's a little bit above it that we don't use 
    You'd normally only insulate the roof in order to provide a "warm loft", and you'd use those expensive rigid boards.
    N. Hampshire, he/him. Octopus Go elec & Tracker gas / Shell BB / Lyca mobi. Ripple Kirk Hill member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 30MWh generated, long-term average 2.6 Os.
    Taking a break, hope to be back eventually.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs.
  • waqasahmed
    waqasahmed Posts: 1,926 Forumite
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    QrizB said:
    QrizB said:
    As Ectophile says, cheapest and simplest is glass wool (or similar), supplied in rolls then laid flat in the loft space between and over the joists. This does make it difficult to use that space for anything else.
    PS @waqasahmed you've double-posted; you might like to delete the other copy of this thread.
    Not on purpose anyway. I can't even see your reply to that thread
    Your other thread is here. I deleted my reply from that thread and re-posted in this one.
    How would we do it in such a way that you can still use said space?
    You can use loft legs, as illustrated in this article. This lets you board over insulation without compressing it (compressing it removes the air and makes it useless).
    Or you could use rigid insulating board instead, far more expensive but with a higher insulating value for a given thickness.
    Also how about the roof itself? My parent's house has an attic, and there's a little bit above it that we don't use 
    You'd normally only insulate the roof in order to provide a "warm loft", and you'd use those expensive rigid boards.
    Thanks for that. I can't delete that thread myself, and you can't add a note when reporting, so I've edited the OP to ask mods if they could merge it given someone else has replied there

    I'll have to have a look into that. Thanks 
  • EricMears
    EricMears Posts: 3,232 Forumite
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    QrizB said:
    Your other thread is here. I deleted my reply from that thread and re-posted in this one.
    Thanks for that. I can't delete that thread myself, and you can't add a note when reporting, so I've edited the OP to ask mods if they could merge it given someone else has replied there

    I'll have to have a look into that. Thanks 
    I believe you could change the title of the other thread - perhaps to include "Duplicate : please do not post"
    NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq5
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