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Shed treatment query

I have a new shed. It is was pre-treated with a water based substance by the company that built it, but they advised me to treat it with an oil-based product, e.g decking oil, within several weeks. I would like to paint the shed a wife-friendly colour and would like to know if I need to treat it with oil before I paint it, or if there is a paint that will do both jobs, or if, even if there is a paint that will do this, I should treat it with oil anyway?? I have searched the other threads and can't find answer to this exact question. Thanks for any help. Pete W

Posts

  • Busy-LizzieBusy-Lizzie Posts: 24,021

    We used Cuprinol Garden Shades too, I like the wood showing through slightly. Though, after a second coat it hardly shows at all. It preserves the wood but lets it breathe.

    Dordogne and Norfolk. Clay in Dordogne, sandy in Norfolk.
  • Another vote here for Cuprinol Garden Shades - our builder was very impressed with its coverage too. image

    http://www.cuprinol.co.uk/garden_colour/colour_selector/index.jsp


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • GemmaJFGemmaJF Posts: 2,286

    I think Pete it is really a choice between, oil product or paint, rather than both.

    Read the paint tin, it may need a primer, but if I were going to paint I would not use a decking oil first as there could well be compatibility issues between the two systems.

    My own preference is for sadolin stains, expensive as hell, but last the longest in my experience and are pleasant enough to work with.

  • Thanks for all your answers so far. I should also mention that the missus wants to use it as extra storage, primarily for craft products that might include paper, card and other materials that might be easily susceptible to water damage(of course, we will take extra precautions because of this and as I know she would desperately love to have it in "duck-egg blue", I'm wondering if the special paint offers as much protection as oil, against water infiltrating the interior of the shed.



    Thanks again.
  • Modern water-based wood treatments are very good and will prevent water penetrating, especially if you use several coats.  However, storing paper based products in an unheated outbuilding can lead to issues due to the large variations in humidity and temperature which can lead to condensation.  Anyone who leaves steel tools out in an unheated garage or shed knows that they will rust, even if it is perfectly dry as humidity in the air causes water to condense on them when they become cooler than the air in there.  A layer of insulation on the inside walls and roof should help, such as rockwool or insulated sheeting such as Celotex.  Both of those would need a layer of something covering them, such as thin plywood.  You would ideally run a dehumidifer in there which would require a mains supply. An alternative would be to keep everything in air-tight plastic boxes.

    Some links which may help:

    http://www.ehow.co.uk/how_8197700_store-books-garage.html

    http://www.realsimple.com/magazine-more/inside-magazine/ask-real-simple/store-books

     

     

    A trowel in the hand is worth a thousand lost under a bush.
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