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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.

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  1.  
    So having saved £5k by not having my 3g windows factory painted two different colours inside and out my thoughts turn to the best coloured paint to the outside.

    (The idea was grey outside and clear inside; looked at two colour paint, alu clad etc but so much cheaper to DIY).

    So any idea what the best paint to use would be (not necessarily an eco paint...) ??

    J
    • CommentAuthortony
    • CommentTimeSep 1st 2010
     
    linseed oil or linseed oil based paint

    I favour no paint at all!!!
    • CommentAuthorowlman
    • CommentTimeSep 1st 2010 edited
     
    Try: osmouk.com , nice exterior finishes in colours both clear; ( mostly woodshades ) and opaque; ( bigger palette of brighter colours ). As a general rule of thumb I find clear type finishes easier and quicker to maintain. I haven't tried Osmo opaque finishes, but they seem to have a decent colour range. If you choose colours carefully you could possibly start with a clear finish then a few, hopefully long, years down the line when the wood may look a bit "tired" you could change to a similar shade opaque finish which will have a better blemish covering capacity.

    Mike
    • CommentAuthortony
    • CommentTimeSep 1st 2010
     
    one advantage of see through finishes is that you can see the condition of the wood underneath.
    •  
      CommentAuthorfostertom
    • CommentTimeSep 1st 2010
     
    Is it really really true that colourless clear 'stain' finish is inherently non-durable, and time between redecoration, protection of the timber etc is related to the amount of pigment i.e. diminishing 'natural' clarity? Having bought windows of quality softwood, it's v nice to see them finished in their own variegated natural colours, rather than 'light oak' or whatever, that just turns them an un-natural yellow, someone's artificial idea of 'wood colour'.
  2.  
    The pigments provide a measure of UV protection that the clear stains cannot match as far as I understand.

    Paul in Montreal.
  3.  
    ....I had wondered about the possibility of just getting the most bomb proof chemical concoction marketed as paint that money can buy; on the principle that it might last quite a bit longer than the warm and cuddly 'natural' paint.

    If I was certain to be the custodian of these windows forever then perhaps I would lovingly re-apply some natural oily goodness every 3 years or so but I might move on at which point the likelihood is that all the following re coats will be of the aforementioned 'nasty stuff' any way, so if by applying 'nasty stuff' I put off the 1st repaint for say up to 10 years and prolong the life of the windows etc etc...

    ...any of this sound plausible...?

    J
    • CommentAuthorowlman
    • CommentTimeSep 1st 2010
     
    Posted By: James Norton
    If I was certain to be the custodian of these windows forever then perhaps I would lovingly re-apply some natural oily goodness every 3 years or so but I might move on at which point the likelihood is that all the following re coats will be of the aforementioned 'nasty stuff' any way, so if by applying 'nasty stuff' I put off the 1st repaint for say up to 10 years and prolong the life of the windows etc etc...

    Nothing wrong with the thinking James except the next potential occupant may be an eco warrior who would buy prescisely because the windows were full of "oily goodness". Good selling point no?
    •  
      CommentAuthorfostertom
    • CommentTimeSep 1st 2010
     
    Posted By: James Nortonthe most bomb proof chemical concoction marketed as paint that money can buy
    That AFAIK is linseed oil paint?
  4.  
    We have just done 6 hardwood windows in Holkham Linseed Oil 'Old White' colour. Really pleased with the application/usage of it, cannot comment on the longevity as yet.

    It would be a good selling point for someone like me, one of the most off-putting things for me is a load of money/time spent on something that isn't what you would choose (e.g. uPVC windows)
    But then we tend to go for mostly unspoilt wrecks - more of a blank canvas and less to put right that has been done wrong.
  5.  
    linseed oil or linseed oil based paint

    I favour no paint at all!!!

    (Tony may have already said that.)
    • CommentAuthorsquowse
    • CommentTimeSep 1st 2010 edited
     
    Posted By: James Norton....I had wondered about the possibility of just getting the most bomb proof chemical concoction marketed as paint that money can buy; on the principle that it might last quite a bit longer than the warm and cuddly 'natural' paint.

    If I was certain to be the custodian of these windows forever then perhaps I would lovingly re-apply some natural oily goodness every 3 years or so but I might move on at which point the likelihood is that all the following re coats will be of the aforementioned 'nasty stuff' any way, so if by applying 'nasty stuff' I put off the 1st repaint for say up to 10 years and prolong the life of the windows etc etc...

    ...any of this sound plausible...?

    J


    the most bombproof type of paint could stop the wood breathing, allowing it to become saturated in places when water does get in through movement at the joints etc; it will then hide decay until the wood completely breaks down and falls off. in other words it looks after itself rather than the wood.
    i have experimented with loads of stains, whatever you do it's going to need topping up at least every 5 years. keep it simple and sympathetic i say. if you sell to someone that can't look after the house and it's fixtures well what can you do to help them?
  6.  
    James, being where I am in Italy my old softwood shutters get massive solar exposure and also similar rain fall to London. I tried v expensive colourless impregnators - result beautiful wood..... but for less than one year! I tried coloured stains - 2 years. Can't face re-doing gloss so have tried linseed oil paint - after one year no signs of ageing at all and colour can be re-instated with neat linseed oil after a few years then one coat of paint after a few more years, and repeat - only a light rub down needed each time. BUT - coverage was less than one quarter of what we allowed for and that was 70% of what was recommended after pre-coating with neat linseed oil first; 3 coats plus touch ups was needed; in perfect conditions (which we had) it was just possible to re-coat after 24 hrs (you must factor in 48 hrs in UK between coats) - even when recoatable it is still soft if placed on a surface (ie to do the other side for example). It is expensive stuff to start with but with the coverage it becomes ridiculous for us and it can't be got here - boo hoo I'm in a right mess.:cry:
    •  
      CommentAuthorfostertom
    • CommentTimeSep 2nd 2010
     
    All that is why linseed oil paint is
    Posted By: James Nortonthe most bomb proof chemical concoction marketed as paint that money can buy
  7.  
    I don't understand about your coverage problem, Gotanewlife. Bog standard paints do around 12 m2 per litre while linseed paint does over 20. You do need to brush it out very thinly but I've always thought it goes a very long way.
  8.  
    £ / sqm for linseed? at 3 coats...?

    J
  9.  
    The most expensive paint is cheap paint.
  10.  
    'don't doubt its worth it, just need some idea of cost...

    J
    • CommentAuthortony
    • CommentTimeSep 3rd 2010
     
    no paint at all is cheapest!!!
    •  
      CommentAuthorfostertom
    • CommentTimeSep 3rd 2010
     
    So that means oak only? Any alternative timbers?
    • CommentAuthortony
    • CommentTimeSep 3rd 2010
     
    I have seen unpainted pine on north and east elevations survive unpainted for 60 years
  11.  
    Title edited :wink:
    • CommentAuthortony
    • CommentTimeSep 3rd 2010
     
    meanie :cry:
    •  
      CommentAuthordjh
    • CommentTimeSep 3rd 2010
     
    Posted By: tonyI have seen unpainted pine on north and east elevations survive unpainted for 60 years

    I've heard that watching paint dry can be a boring occupation.

    But watching no paint do nothing, and for 60 years, must take truly heroic patience :cool: :bigsmile:
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