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    Replacing a Danfoss HPA2 (4 wire??) motorised valve

    Hi, Our heating got stuck "on" - the thermostat was off, even switching it to off at the controller stop the heating. Seems this can be one of the motorised valves being stuck open. This seemed to be the case, I checked the valves and the CH valve was in the manual override position (the...
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    Insulated slab joining with EWI

    I'm just ordering for building an insulated slab foundation for a garage/workshop. My plan is to lay XPS insulation in the slab and have it join to form continuous insulation with external wall insulation. I'm just wondering whether it would be best to build an insulated form for pouring the...
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    Applied osmo hardwax oil on too thick?

    After spending many weekends laying and sanding a parquet floor I brushed on some osmo hardwax oil last night before bed, hoping to come down to a glorious finish this morning! Sadly, I'm really disapointed in the finish. It's patchy, and full of grey/white streaks. After doing a bit of...
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    Options for laying over uneven flooring

    I'm planning on laying on solid wood parquet flooring in our hall. The current floorboards are not in great condition so, after doing some reading, I decided to lay 12mm ply to remove any irregularities etc and glue down solid wood. Now I've come to lay it I'm concerned about the larger scale...
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    Boiler fan on the way out - safe to DIY?

    The boiler fan is on the way out. The wife lost central heating/hot water today and panicked and rang in a plumber, who diagnosed a dead fan. Quoted £300 to fix, along with a bit of a dodgy refilling/pressure filler (still works okay though, and had always been a bit slow). £180 for parts, £120...
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    Building wall with 5 degree slope for rafters

    Hi, I'm re-roofing the garage and increasing the existing slope to a 5 degree pitch. I'll probably have to knock off the top layer of blocks and build up the new gable structure. I'm hoping to embed the joists in the wall, but I'm not sure the best way of building this 5 degree slope and...
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    Adjacent garage roof... Asbestos?

    Just about to order some box steel to reroof our garage and I went up to take some last min measurements and noticed that the neighbours garage roof actually extends a few inches over ours. The problem is I was going to add a few blocks into the wall in order to raise the rafters and...
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    Preventing condensation with steel roof

    Hi, I've decided to replace the existing sagging bitumen sheeting mounted on OBS3 and replace with box profile steel. Would this arrangement be adequate for reducing the condensation on the steel? I'd be using the existing roof board & rafters, basically just attaching 2x2s to raise...
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    Building a new garage roof - adding a slight peak?

    I have a garage that's about 4.5m by 7m. It's currently leaking like a sieve. It has 50 by 150 beams at varying distances of 550 - 600 spacing that span the 4.5 m. That's covered with OBS, which has corrugated bitumen sheeting length-wise atop that. On initial inspection, it all looked...
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    Two drains into one standpipe?

    Hi, I was just installing a new dishwasher, there's already a washing machine in the same place with a drain feeding a standpipe. I assumed the standpipe was big enough for two drains, but the tubes don't fit. I could probably get them in, but it makes me think that this is intentional, maybe...
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    Garage roof not pitched enough

    Hi, I just purchased a house. We looked around it in summer and had the Survey done in summer (not a full building survey). Just moved in and, of course, it's been chucking it down. There is a huge leak in the garage roof. I looked at it from the second floor window, it's black...
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