insulation under floorboards

Discussion in 'Floors, Stairs and Lofts' started by choffer74, 10 Sep 2010.

  1. choffer74


    10 Sep 2010
    Thanks Received:
    United Kingdom

    first post on here - but got lots of advice searching the forum so thanks for your help!

    We bought a 1960s maisonette a few years ago. During the 1st winter we noticed the front bedroom was quite a bit colder than the other bedrooms but didnt think much of it. It wasnt until i had to lift up some floorboards in the bedroom (having punctured a radiator pipe nailing down the floorboard :oops: ) that i noticed what the problem was.

    The bedroom is partially above a small room that houses our boiler. This room is effectively a small 'outhouse' as the only way into it is through an outside door. The door is defnitely not draft proof, and there is no insulation in this room. Therefore any draft going into the room goes straight up into the bedroom! (and any heat from the bedroom escapes!).

    So i'm looking at putting some sort of insulation in. I can get access to the floorboards/joists from the downstairs room - so should i suspend loft insulation? (i've read about using garden netting)
    does it need to be 100% draft proof to get the benefits?

    I've also got some witex combimat left over from another diy project - could i use this to provide more insulation?
    and what about moisture - could this cause the timber to rot?

    lastly do i need to be careful of the raditor pipes/electrical wires?

    thanks in advance
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