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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.

Buy individually or both books together. Delivery is free!


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  1.  
    I've seen mention of rolling tape to make it airtight, but I was wondering what type of roller is used. Could anybody please help?
    • CommentAuthortony
    • CommentTimeJan 18th 2017
     
    Wallpaper seam roller, ideally high density foam rather than plastic.
    •  
      CommentAuthordjh
    • CommentTimeJan 18th 2017
     
    Or the tape manufacturers sell rollers specifically for the job. The rolling is not so much to make it airtight as to make sure the adhesive is actually adhering, as I understand it. Personally I found the back of a box knife was most useful for the job.
  2.  
    Thanks both!
    •  
      CommentAuthordjh
    • CommentTimeJan 20th 2017
     
    FWIW, I tried to fix some extra insulation around my insulated MVHR ducts. It was 50 mm Rockwool; the sort with a foil layer on the outside, specifically for ducts. It's quite difficult to bend round a 160 mm dia duct but I eventually managed it. I put lots of short lengths of duct tape all along the gap, each one almost touching the next one. Then I put three lengths of duct tape along the join to tidy it all up. Looked lovely, but one day later it had all come apart! I'm thinking I may try again but using some Siga airtightness tape next time, because it is so much more sticky.
  3.  
    I've bought a rubber lino printing roller. I'll see how it goes!
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