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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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    • CommentAuthoradam_w
    • CommentTimeMay 10th 2018
     
    Good morning All,

    I'll hopefully be fitting my lintels tomorrow but I've just hit what I believe to be a snag. The small lintel that spans the external doorway in to my extension sits perpendicular to a cavity wall, being a traditional construction, if I cut in to the wall for the bearing, i'll only have 100mm of support then 100mm cavity. I don't want to have to chip away at the inner leaf as that's got a nicely finished kitchen the other side. Do you have any suggestions, maybe a joist hanger style bracket or corbelled bricks spanning the two leafs?

    Thanks in advance,

    Adam
    • CommentAuthortony
    • CommentTimeMay 10th 2018
     
    I have done it before :) slightly naughty but used a steel L cutting the upright bit off at an angle, drilling into a bed joint and drilling out a vertical triangular bit and sliding the lintel in 90mm very carefully
    • CommentAuthoradam_w
    • CommentTimeMay 10th 2018
     
    Hi Tony,

    I really appreciate the reply but I can't quite envisage what you're describing, sorry?
    • CommentAuthorMike1
    • CommentTimeMay 10th 2018
     
    Posted By: adam_wThe small lintel that spans the external doorway in to my extension sits perpendicular to a cavity wall, being a traditional construction, if I cut in to the wall for the bearing, i'll only have 100mm of support then 100mm cavity.

    If it's only a doorway that will probably be fine - I'd discuss it with your BCO.
    • CommentAuthortony
    • CommentTimeMay 11th 2018 edited
     
    +1 Just build in 100x65 pcl and I wouldn’t even ask the inspector.

    Your internal cavity wall worries me for being an in house winter cooling system
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