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    Why open stand pipe?

    I am re-positioning a washing machine and have sawn off and extended the existing 32mm washing machine drain pipe by 1.5m, routing it round a couple of corners and finishing with a 45 degree open pipe at a height of about 700mm or so. Unfortunately I now find that when the machine empties there...
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    plasterboard, screws and rust

    Recently I plasterboarded a fireplace and seeing as I didn't have the right length of drywall screws used the ordinary type (Screwfix "Quicksilver") and painted the heads with B&Q general purpose primer before plastering. I keep reading about the rust resistng properties of the black drywall...
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    Skim plastering a painted ceiling?

    Many thanks RKB. The ceiling has the odd crack in it but seems pretty sound - I think it could hold a thin extra layer of plaster. I've done a little bit of amateur plastering myself but never a ceiling. Perhaps I will get someone in for this..!
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    Skim plastering a painted ceiling?

    I have a slightly rough lath and plaster kitchen ceiling which someone has advised me to skim. What's the procedure? Does the surface have to be keyed? Does the paint have to be removed first or will finishing plaster stick to it?
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    Long kitchen extractor duct. Supplementary fan?

    Many thanks for the advice. Sounds as though I should try to avoid the use of a second fan if possible. My extractor fan instructions say 4m max with "as few bends as possible", and recommends 5" ducting. If I make most of the run 6", then I'm cutting the resistance down as much as possible...
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    Long kitchen extractor duct. Supplementary fan?

    Many thanks for that Breezer. It's unlikely that I'll be able to match the in-line duct fan's specs with the cooker hood's. How important is it that they are matched?
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    Long kitchen extractor duct. Supplementary fan?

    I am installing a standard cooker hood type extractor. For various reasons, the ducting will have to follow a long, tortuous route of about 18 feet with possibly 5 right angle bends. I assume that there will be a loss of power because of this. Would fitting an extra in-line duct fan at the...
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