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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
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Housing - New Build: Plastic roof tiles

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  1.  
    • CommentAuthortony
    • CommentTimeApr 21st 2016
     
    There seems to have been an increase in the number of plastic roof tiles notably vent tiles and fan extractor terminals.

    How long will it be before we see plastic roof tiles over the whole roof?

    How stable are these to uv and are they as durable as the tiles they adjoin?
    • CommentAuthorringi
    • CommentTimeApr 21st 2016
     
    They are not as durable and they fade. But do we need them to last 100 years?

    One issue with plastic tiles is that they are lighter; therefore need more fixing down due to wind uplift. The fixing makes it impossible just to slide a tile up when you wish to work on a roof.
  3.  
    Posted By: ringiOne issue with plastic tiles is that they are lighter;

    And so thinner roof timbers are possible
    Posted By: ringiThe fixing makes it impossible just to slide a tile up when you wish to work on a roof.

    No worse than slates

    And for the first few years (20??) less likely to crack when putting a roof ladder on them and probably won't spall with frost after a few years.

    Over here some years ago I heard of a firm making composite roof tiles out of old car tiles, but that seems to have faded away
    • CommentAuthorringi
    • CommentTimeApr 21st 2016 edited
     
    In the UK snow loading requirements may not allow much reduction in roof timber sizes, also BC may not sign of as someone MAY put normal tiles on the roof at a later date.
    • CommentAuthorEd Davies
    • CommentTimeApr 21st 2016
     
    Posted By: ringiMAY put normal tiles on the builder
    !
    • CommentAuthorskyewright
    • CommentTimeApr 21st 2016
     
    Posted By: Ed Davies
    Posted By: ringiMAY put normal tiles on the builder
    !

    Dissatisfied client taking extreme action?
    • CommentAuthorDarylP
    • CommentTimeApr 21st 2016
     
    The 'recycled' slates are available, as a copy of a old hand-riven slate, suitable for pitches down to 11 degrees.
    Made from old care tyres apparently, easy to use and fix, light and very resilient!:bigsmile:

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