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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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General: Welsh slate vs artificial slate

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1 to 11 of 11

  1.  
    • CommentAuthorBluemoon
    • CommentTimeAug 15th 2007
     
    Still working on a spec for loghouse project. Which is greener of the two?
    A picture of my present 20year-old roof, do the latest cement-fibre slates discolour and get mossy like these?

    http://img.photobucket.com/albums/v378/Pontrhydfendigaid/slateroof.jpg
    • CommentAuthortony
    • CommentTimeAug 16th 2007
     
    No doubt about it if you can afford slate then use it.
  3.  
    I recently stayed in a timber lodge at a forest park in Yorkshire that had a profiled metal roof. Sounds horrible but I thought it looked quite good. I guess it is high embodied energy but long lasting, cheap and can be recycled.
    • CommentAuthorOIMO
    • CommentTimeAug 16th 2007
     
    Salvaged slate tiles from a reclaimation yard?
  5.  
    Slate doesn't last forever so beware of salvaged tiles. We just replaced a 107 year old slate roof and ended up using new slate - hopefully it'll last another 100 years or so.

    On the new house we built, though, we used a profiled steel roof. Should also last at least 100 years or more. Much less environmentally unfriendly than the typical asphalt shingles people use by default in North America (a horrendous shock for this transplanted Brit I must say). Most steel these days has a reasonably large recycled content so the embodied energy is probably not as high as one might imagine. Anyway, quarrying slate and hauling it around is not low energy either.

    Paul in Montreal.
    • CommentAuthorWojtex09
    • CommentTimeAug 17th 2007
     
    Dear Paul

    We have more problems not with roof but with terrace.

    Leakage it is a big problem at the moment. We have not problem during 5 years and after started.

    Have any idea?

    Regards

    Izabela
    izabela.adamkiewicz@op.pl
    •  
      CommentAuthorNovy Mlyn
    • CommentTimeAug 18th 2007
     
    I'm just looking at the same sort of calculations myself... We have an asbestos roof which needs replacing - another example of a new 'wonder' material that didn't live up to expectations.

    At the moment I'm erring towards having a larch roof installed, if we can afford it. Not cheap, but very sustainable, and with hundreds of years proof in action and a 70 year guarantee.

    (Ideally I would have had photovoltic but the pricing of these is insane at present).

    Bluemoon, what did you decide in the end?
    • CommentAuthorGBP-Keith
    • CommentTimeAug 19th 2007
     
    Nothing wrong with recycled slate. In fact if you can get good quality recycled welsh slate that is 100 years old then it has passed the durability test and, if fitted correctly probably good for another 100.

    To test, hit with fingernail. If they ring they are good if dull sound then they are bad. I would avoid 'compo' slates if you can afford to.
    • CommentAuthorGBP-Keith
    • CommentTimeAug 19th 2007 edited
     
    Posted By: Novy Mlynerring towards having a larch roof installed, if we can afford it. Not cheap, but very sustainable, and with hundreds of years proof in action and a 70 year guarantee.


    70 year guarantee on a larch roof. Is that a misspelling?
    • CommentAuthorstroudy
    • CommentTimeAug 19th 2007
     
    Ive just got a sample 'slate' from http://www.lowimpact.org/acatalog/roofing_materials.html#a173 made out of recyled tyres. It looks quite durable, but havent heard of anyone who has experiance in using them! The price seems roughly comparable with reclaimed slate though.
    • CommentAuthorBluemoon
    • CommentTimeAug 19th 2007
     
    <blockquote><cite>Posted By: Novy Mlyn</cite>I'm just looking at the same sort of calculations myself... We have an asbestos roof which needs replacing - another example of a new 'wonder' material that didn't live up to expectations...</blockquote>

    Is the asbestos roof the corrugated cement coloured sheet material or slate shape and colour?

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