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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.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

Buy individually or both books together. Delivery is free!


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    • CommentAuthorWeeBeastie
    • CommentTimeNov 20th 2019
     
    I have had a fireplace bricked up and the roofers will be taking down the chimney to slate over. Should I be putting insulation such as EPS beads in there before it becomes inaccessible?

    Single storey so wouldn't take too much fill.

    9" solid brick walls which become thinner to the back of the chimney. I hope to add EWI at some point in the future.

    Thanks.
    • CommentAuthortony
    • CommentTimeNov 20th 2019
     
    I would fill it with eps beads full, wrap what you can of the bricks with fibreglass quilt
    • CommentAuthorWeeBeastie
    • CommentTimeNov 21st 2019
     
    Is granulated cork a suitable alternative to EPS for this?? I see Mike Wye supply it.
    • CommentAuthortony
    • CommentTimeNov 22nd 2019
     
    I cant see why not, it is organic so could decay or rot , i prefer not to use organic insulants if there is a choice.
  1.  
    Posted By: tonyI cant see why not, it is organic so could decay or rot , i prefer not to use organic insulants if there is a choice.

    +1
    • CommentAuthorjfb
    • CommentTimeNov 23rd 2019
     
    Vermiculite can be used
    • CommentAuthortony
    • CommentTimeNov 24th 2019
     
    Not nice it that ever gets wet
    •  
      CommentAuthordjh
    • CommentTimeNov 24th 2019
     
    So use leca instead? Or treated vermiculite for insulation purposes?
    • CommentAuthorPetlyn
    • CommentTimeNov 28th 2019
     
    ... or recycled glass beads - better lambda value than both vermiculite or leca and better flowing ability than EPS beads at depths.
  2.  
    Posted By: PetlynHi - re your chimney insulation, if you are interested in potentially using glass beads as a medium, we have some for sale and could send you a sample to consider - if it is still on your 'to do' list that is!

    Peter


    Thanks, Peter. My roofers weren't keen on filling the chimney ("it needs to breathe"?) and since they were here doing other work I just asked them to get on with taking the chimney down and so the void is unfilled. Now I'm finding the bricked up fireplace impossible to paint, presumably because it is cold and attracting condensation rather than the plaster still drying out. So at some point I will go into the loft and see if it is still possible to get access to the top of the chimney. Are the beads light in weight?
    • CommentAuthortony
    • CommentTime20 hours ago
     
    Is the chimney on an outside wall and is it taken down to ceiling level and insulated?
  3.  
    Posted By: tonyIs the chimney on an outside wall and is it taken down to ceiling level and insulated?


    Yes, outside wall. Planning to add EWI at some point. Not sure how the roofers left the top - I will have to go into the loft and check.
    • CommentAuthortony
    • CommentTime17 hours ago
     
    Once inside the insulation barrier for me it will no longer need ventilating
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