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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
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    • CommentAuthormatt1
    • CommentTimeJun 9th 2018 edited
     
    My timber frame has a double garage attached to the main house with a bedroom above. The garage is reasonably well insulated but not to the same standard as the house and has a block wall running up the house side of the garage to support the brickwork for the gable end.

    As I was looking at it today I realised it is going to form a large thermal bridge from the gable end brickwork through the block wall into the bedroom.

    I have looked at previous topics on this subject and saw somebody suggest perinsul blocks. I note that these are normally used at the junction between walls and floors. Could these simply be built into the wall before it leaves the heated envelope to prevent bridging or is there a better solution?

    Cheers

    Matt
    • CommentAuthortony
    • CommentTimeJun 9th 2018
     
    Could you leave it out all together and use different cladding or brick slips will it do bridging from below too?
    • CommentAuthormatt1
    • CommentTimeJun 9th 2018
     
    unfortunately the bricking up is already well underway. Bridging from below should be less of an issue as the supporting wall is inside the insulated garage and I still have space to add insulated structural blocks if they are suitable.
    • CommentAuthortony
    • CommentTime7 days ago
     
    What cavity insulation do you have?
    • CommentAuthormatt1
    • CommentTime7 days ago
     
    Its an empty cavity tied into a 140mm valu-therm panel between the bedroom and the house.
    • CommentAuthortony
    • CommentTime7 days ago
     
    Difficult now but I would set first rafters or trusses 125mm away from wall and use 120mm sheet insulation to wall and door/window reveals joined to house insulation up to top of rafters and down to bottom of logistics, then over rafter insulation and thermally lines garage ceiling.
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