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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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    Best/cheapest method for soundproofing a Victorian Terrace party wall? Existing wall built up of presumably stone and lime plaster both sides.
    • CommentAuthortony
    • CommentTimeAug 17th 2017
    Remove skirting Cut floorboard back from edge 75mm. Plaster in floor void, fill gaps with rock wool, stud frame 100 face to face, set off wall so use 75 studs, rock wool batts between, no gaps, 15 sound block +12.5. Soundblock staggeres joins seal with acoustic sealant, plaster refit skirting, insulate above ceiling too.
    What do you mean by plaster in floor void?

    Anything to go in the 25mm gap at the back of the studs?

    Does the soundblock come as 15mm then add 12.5mm PB?

    Is there any boards that can be foamed directly on? I found this method really easy when I did the shop...
    ''What do you mean by plaster in floor void?''

    Plaster the hitherto unplastered wall behind the skirtings and between floors and ceilings.
    Ah okay, I understand now. Thanks
    • CommentAuthortony
    • CommentTimeAug 17th 2017
    Double plasterboard two different thicknesses, 75 studs, 25 gap =100 void filled with 100 batts dont worry about the bit behind the studs.
    • CommentTimeAug 17th 2017
    Specifically there shouldn't be anything in the gap apart from air. The idea is to decouple the original wall and the new wall.
    • CommentAuthorrevor
    • CommentTimeAug 25th 2017
    I would look at using resilient bars to decouple the original wall from the new. There is a lot of information available from the plasterboard manufacturers.
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