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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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    • CommentAuthormarsaday
    • CommentTimeAug 26th 2019 edited
     
    Do you think i still need snow board protection positioned on my gutter ?

    I have to renew the old ones and repaint the facia boards etc.

    I finished my extension this spring and so i still have 3 square window lights right under the old roof, but much less glass than i had before. In the photo you can see my neighbours extension is all glass and he has renewed his snow boards recently.

    I was looking today at the job, planning etc and i was wondering if i actually still need the boards because my skylights are set quite close back to the house and so i wondered if the snow may well fall slightly forward of these lights and so land on the metal roof.

    We have very little snow in York, but obviously we will have those 1 in 25 year occasions when it will be heavy.

    So is anyone familiar with this problem ?

    Are there any better solutions than the wood board mounted on metal legs.

    Any info appreciated.
    • CommentAuthormarsaday
    • CommentTimeAug 26th 2019
     
    Photo
      IMG_3683.jpg
    • CommentAuthormarsaday
    • CommentTimeAug 26th 2019 edited
     
    photo showing the roof lights from above
      IMG_3682.jpg
    • CommentAuthortony
    • CommentTimeAug 26th 2019
     
    I would
    •  
      CommentAuthordjh
    • CommentTimeAug 26th 2019
     
    I'd suggest retitling the thread with 'snow guards' instead of 'snow boards'. That way people have a chance of finding some information. There are apparently lots of products available; I like the look of the ones that just slice the snow up into small pieces.

    I come from Lancashire and I've never been aware of snow guards, despite having family photos of people cleaning their boots on the tops of signposts. So I guess I'd ask what proportion of houses near you have them?
  1.  
    No one here uses snow boards, rather they have 'snow irons' which are metal fittings that are fitted under a tile and have a spike standing up about 10cm from the bottom of the tile. Usually fitted about every 3rd tile on 2 or 3 rows off set. The usual reason for fitting is to stop the gutters getting taken off by snow slides but also to protect adjacent walkways etc.
    • CommentAuthorGreenPaddy
    • CommentTimeAug 27th 2019
     
    marsaday, judging by where the snow slides off our roof (Highlands), I'd say your extension skylights are right in the cross hairs, and snow comes down with a hell of a thump. Also, your veluxes on the main roof will tend to shed their snow quickly, and burden the rest of the snow below it, causing the "avalanche".

    So, without suggesting the best solution, I would advise definitely doing something. I don't really like the boards, but the spikes, sound like a good option. Get onto a European site to source them. May be for the low frequency, you could just reach out the veluxes, and push snow off the main roof, before it builds up...not sure which part of building regs covers that particular activity :neutral:
    • CommentAuthormarsaday
    • CommentTimeAug 27th 2019
     
    Thanks all.

    I have seen the snow irons on a USA site. Looking at maybe £200-300 for about 30, so very expensive.

    Also how are these irons retro fitted ?

    Needs a bit more research, but sounds like i need to keep some guard in place whatever i go for.
    • CommentAuthorowlman
    • CommentTimeAug 27th 2019
     
    I've seen lots of snow guards/boards in Germany often just in vulnerable places, e.g. above paths or as yours to protect something else.
    I would think the difficulty you'd have in fitting metal brackets to your roof would come from your, (I think), slate roof. The ones I've seen are intended for fitting in the pan of pantiles. I guess you may be better designing one and getting them fabricated and galv'd.
    I've got something similar on my roof for hooking a lightweight ladder onto. In Germany they are the ladders used by chimney sweeps with the roof hooks remaining fixed on the roof, but they are essentially the same thing as the snow guard supports.
    • CommentAuthorGreenPaddy
    • CommentTimeAug 28th 2019
     
    a very quick chat with Mr Google...

    https://www.roofthings.com/alpine-snowguards-pd10-half-round-pad-style-snow-guard-copper.html

    at a dollar each (packs of 10 it seems), knock yourself out, and spend £30. Are your slates single or double nailed?? Either way, you swing slates to the side, to get to the slate below, fix the bracket, and then swing slates back, giving them a gentle wrap to make their nails catch again.

    This, or something very similar would be low cost, and low visual impact.
    • CommentAuthormarsaday
    • CommentTimeAug 28th 2019
     
    I think these are $10 each, so pricey. Plus i cant retro fit them on the current roof. I would need to take up the whole roof to lay them down.
  2.  
    None of the places we have lived in rural Aberdeenshire have had these, and we certainly have some snow. We never had any problems without them.

    I associate them with architecture styling of higher-status Victorian buildings (shooting estate buildings, worthy public buildings, etc) when it was fashionable to look a bit like the German Alps.
    • CommentAuthortony
    • CommentTimeAug 29th 2019
     
    Or above glazed roofs etc
  3.  
    There's plenty of conservatories here, same as everywhere else, on 20th/21st century buildings that don't have those snow boards. Modern glazing is toughened.
    • CommentAuthorMike1
    • CommentTimeAug 29th 2019
     
    If you fancy a trip to France you can buy a variety of different types, some for only a couple of euro: https://www.pointp.fr/c/dispositifs-arret-neige/x3snv3_dig_2002945
    • CommentAuthormarsaday
    • CommentTimeAug 29th 2019
     
    Good to get a different take on whether they are needed Will in A.

    I sort of do think it is a bit unnecessary, but am i willing to take that risk ? The day we have a huge pile of snow and i have nothing up there will be uncomfortable until it melts.
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