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Thread: Condensation

  1. #11
    Administrator blackpopracing's Avatar
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    ^^^ start by changing out the roof for ply with a waterproof covering. Add 25mm Celotex or similar insulation to roof and that may well be enough. Worth adding some side vents to allow air to circulate too.

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    Official RnS Addict ivanhoew's Avatar
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    do they still do those back packs with the spray expanding foam ? maybe you could simply spray the whole roof with a thin layer of that?
    Bicester scramble ,Medusa enjoyed the trip.https://www.youtube.com/watch?v=Q-7I7-nA19U

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    Official RnS Addict mygasser's Avatar
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    i'd unscrew the tin sheets, fit plywood or sterling board (osb) with a damp proof membrane (plastic sheet) on that followed by refitting the tin sheets. if you want to put insulation either under or over the boards that wouldn't hurt too.
    neil.
    need a job done on your project? i may be able to help.

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    More food for thought there. I haven't commited just yet but I really like the idea of that there foam stuff. Regarding the air circulating; there's plenty of that to be honest. If you imagine Jed Clampett building a lean to but then had to let Jethro take over, with his eyes shut, wearing a blindfold it's a bit like that. To be fair, that's the look I was trying to achive; (just as well really 'coz that's about my skill level) a Ranch type affair which does suit the rest of the place. However, I didn't factor in a Tropical Rain Forest inside the building. Haha. Thanks for the input; all great idea's to be honest.

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    Administrator blackpopracing's Avatar
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    I would not use the tin roof with wood, it will just drip on to the wood. It's the tin thats the problem. Go for a material that does not condense water very well - such as wood or to a lesser extent concrete roof panels etc.

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    Off the Xmas card list kapri's Avatar
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    I have a carport / incomplete garage which is open one end . Roofing is concrete sheet and no condensation in the year it's been up.

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    Official RnS Addict mygasser's Avatar
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    Quote Originally Posted by blackpopracing View Post
    I would not use the tin roof with wood, it will just drip on to the wood. It's the tin thats the problem. Go for a material that does not condense water very well - such as wood or to a lesser extent concrete roof panels etc.
    that's why i said put a dpm between the tin and wood mark. any condensation will then run off the dpm and out the 'bottom'.
    neil.
    need a job done on your project? i may be able to help.

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