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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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    • CommentAuthormarsaday
    • CommentTimeJan 19th 2010
    Has anyone got any knowledge on using recticel insulation sheets. It is much cheaper than celotex and kingspan and performs the same. i have spoken to their technical help and it all sounds great. just wondered if anyone has used it.

    jewsons are selling it at £12 odd a sheet as opposed to £15 odd for kingspan (50mm).
    yes it's a similiar product just different manifacturer
    • CommentAuthorRobinB
    • CommentTimeJan 19th 2010
    marsaday, do you know if U values are the same in both brands (not got time to look!)
    • CommentAuthormarsaday
    • CommentTimeJan 19th 2010
    well 150mm with celotex achieves 0.18 and recticel guy said today theirs = 0.19
    • CommentAuthorRobinB
    • CommentTimeJan 19th 2010 edited
    Thanks, thought a GBF member would have asked!

    Saw similar slightly better price at secondsandco.co.uk but their delivery charge might overide the saving

    I'm looking for cheapest insulation to fill 200mm deep between rafters.
    Posted By: marsadaywell 150mm with celotex achieves 0.18 and recticel guy said today theirs = 0.19

    The headline lambda numbers are the same. Are you sure you are comparing equivalent thicknesses?
    • CommentAuthorCWatters
    • CommentTimeJan 19th 2010
    <blockquote><cite>Posted By: RobinB</cite>I'm looking for cheapest insulation to fill 200mm deep between rafters.</blockquote>

    Try www.secondsandco.co.uk
    Wow. I thought I'd done very well getting down to £13.00 a sheet for Recticel :(
    • CommentAuthormarsaday
    • CommentTimeJan 19th 2010
    the price is £12.25 plus vat and for the 75mm £17.50 plus vat. So these are pretty good prices.
    Go on, push the boat out , go for the 75mm
    • CommentAuthormarsaday
    • CommentTimeJan 20th 2010
    i am, but it is 75mm between the rafters and 50mm underneath. i am not doing 75mm under though.

    Also regarding VB i am going to tape the celotex and use foil backed plasterboard. This should do the trick.

    Travis perkins just called and they will do 50mm for £11.50 and 75mm for £16.30. i am amazed as they never give me competitive prices. they must be hurting !
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