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Roof insulation looks like hays

Discussion in 'Roofing and Guttering' started by GoodOne, 24 Sep 2017.

  1. GoodOne

    GoodOne

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    Hiya,

    My boiler roof leaks I and decides to DIY. I found that the insulation looks like a compact hay which I've never seen before. Is there any reason this insulation is made of such (as image). 20170924_124824.jpg
     
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  3. Tigercubrider

    Tigercubrider

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    A place I used to work had a roof made from what looked like wheatabix
    It was compressed wood wool
     
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  4. GoodOne

    GoodOne

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    Does it got to do with the boiler room, which needs those special made?
     
  5. alan333

    alan333

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    It's called stramit board. Widely used on roof construction in local authority housing in Cumbernauld (a new town built around 1950's - 60's), never came across it used anywhere else but I'm sure it must have been. Quite strong until it gets wet, and was intended to be a combined solid surface and insulation in one. Almost definitely no specific reason not to do away with it if you wish.
     
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  6. GoodOne

    GoodOne

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    Is it ok to replace it with polystyrene board insulation?
     
  7. alan333

    alan333

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    Not as a like-for-like replacement since polystyrene won't be any good as roof boarding - you'll need boarding first then your selection of roof covering (including insulation as you require).
     
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