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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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Products: Roof window solution for a living roof

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  1.  
    • CommentAuthordrgibbo
    • CommentTimeMar 21st 2010
     
    Hi has anyone out there tried installing a velux (or similar) roof window on a low (10º) mono-pitched roof.
    I'm looking for affordable options that would tie in with a EPMD rubber finish to take a sedum/wild seed mix on a studio i'm building.
    I don't really like the off the shelf flat roof kerb (too high) or the flat roof window solutions (not a great look)
    has anyone experimented with fitting a standard centre pivot velux on a low-pitch green roof and perhaps created their own kerb?
    •  
      CommentAuthorbetterroof
    • CommentTimeMar 21st 2010
     
    yeah, just build yourself a kerb, to whatever angle/height y0u want and install the velux as standard, pay attention to the membrane detailing and make sure all the flashings work properly (make sure you get the right ones!)

    It's easy peasy.
  3.  
    Although not a green roof, I'm planning to fit skylights into an EPDM flat(ish) roof. My preferred supplier is currently http://www.sunsquare.co.uk/ who are the only one I've seen who offer an insulated upstand and a thermally broken frame. Neither insulation nor thermal break are particularly fantastic, but the best I have seen. (No affiliation etc.)

    Not quite sure how well they would work on a "pitched" roof but I suspect it's readily possible with some modification to the upstands - they seemed pretty accomodating when I spoke to them at ECOBuild.

    Seems much easier than making a kerb and fitting a velux style window, but probably more expensive to buy. Might be (partly) offset by the reduction in labour costs though.
    • CommentAuthordrgibbo
    • CommentTimeMar 22nd 2010
     
    Thanks guys, referring to betteroofs advice, i'm well up for making my own kerb but...
    "pay attention to the membrane detailing and make sure all the flashings work properly (make sure you get the right ones!)"...having trouble selecting the right flashing, any ideas on what one to choose, as it seems the kerb kit comes with a dedicated flashing, anyone know if this is available as a separate item?
    •  
      CommentAuthorbetterroof
    • CommentTimeMar 22nd 2010
     
    if you build your own you can pay close attention to the insulation and minimise any thermal bridging. In terms of the membrane, you want it to be dressed up as high as possible.

    Velux can do the flashings for you seperately, but you'd need to talk to their tech department and it will probably be expensive.

    You may be able to make your own on site, either with lead or membrane...

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