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    Plugging a Waste Outlet in Soil Pipe.

    I am redoing my downstairs loo. This involves moving the location of the sink so I will add a waste pipe boss behind the loo and I need to block up the old waste pipe feed into the soil pipe under the floor. I thought this would be so pulled out the existing pipe and put in a 40mm plug: The...
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    Is this expanding foam?

    We are currently getting our house rewired and found this under the floor boards. I initially thought it was expanding foam but it's very soft to touch. As soon as you touch it it crumbles to dust. Can anyone confirm that it is just very old foam and not something else we should be concerned about
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    Replacing a pressure relief valve

    This is my hot water tank. The cold water supply pipe comes in behind the tanks and loops up and over to come in at the top of this picture. I think I am correct in saying that it has a 2.1 bar pressure reducer followed by an 8 bar pressure relief valve. The problem is the pressure relief valve...
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    Can I remove a block from an underfloor dwarf wall?

    Our has has a one block high crawl space which I can access via a hatch on either side of the house. In the past I have managed to use to draw cables across our house from our router to a home office. However the space under either hatch is very small (about 2m square) and I would like to be...
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    Spare parts for Appliance Backflow preventer

    Our dishwasher is connected to the drains via one of these drain kits available from Screwfix which include a backflow preventer: https://www.screwfix.com/p/washing-machine-drain-out-kit/75883?_requestid=589712#product_additional_details_container Unfortunately last weekend the dishwasher...
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    Does this joint look OK?

    Our hot water tank was replaced about 10 years ago. I discovered recently that there was a weeping joint in the hot water pipe next to the tank. I tried draining the pipe and heating the joint before adding more solder. This reduced the amount of water coming out but it didn't solve the...
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    Leaking Shower Drain

    We had a major leak from the mains supply to our shower room. A few moths after everything but the floor covering was repaired we started using the shower on a more than occasional basis. We then spotted a new damp patch on the ceiling below. On taking up the floor again we discovered a small...
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    Best Way to Seal a Fan Vent

    This picture shows the fan vent coming through my bathroom ceiling and heading up through the roof: Where that initial white flexible pipe goes into the black pipe there is no sealing which I assume is far from ideal. It means that some of the bathroom ventilation ends up in the loft. I...
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    Ventilation Pipe Flooded Loft

    Our house is about 20 years old and this is the top of the toilet vent stack where it goes through the roof. I had the misfortune to knock this pipe this evening and 20 years of condensation released itself from the low point of the curve. I'm not sure what the builders were thinking as this is...
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    Getting an angled valve to point the right way on a towel rail

    Hi, Can someone help me with a small conundrum I've got fitting a towel rail. I am fitting one of these towel rail elbows (http://www.screwfix.com/p/dual-fuel-towel-rail-elbow/56801) to the bottom corner. However when I tighten it up it is pointing in completely the wrong direction. I have...
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    Does 1 inch OD pipe accept 25mm fittings?

    As the title says my garage is supplied with 1 inch mdpe pipe. This is the outside diameter which I have measured with a set of calipers. I can't find any reference to pipe with a one inch outside diameter and wonder if standard 25mm push fittings will work with it or if the extra 0.4mm will...
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    Moving slabs on bounded base

    I am half way through laying a base for my greenhouse. It is a perimeter of edging slabs laid on a concrete bounded base. The slabs are approximately 900x150x50mm and laid on a mix of between 5:1 and 6:1 sand to cement. Having laid 4 of the eight slabs I have now discovered they are...
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    Another Loft floor raising question

    Hi, I am having the inadequate 100mm of insulation increased to somewhere nearer 300mm in my loft. and want to retain the storage space. I have considered increasing the insulation with celotex but the cost of this is prohibitive and so I am left looking at adding new joists around 20cm...
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    Roof construction

    MY roof has 3 layers between the loft and outside, first a layer of felt which would not take any water outside the house, then a layer of polystyrene insulation followed by an air gap and then concrete tiles. Can anyone tell me what the purpose of the felt is as it only seems to channel the...
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    Motorised valves return voltage

    I have an S-plan heating system in which the 2 motorised valves are failing to switch the boiler on. They are both returning about 40 volts when switched on. Currently my heating system is set up to always have hot water on when heating is on but I would like to fix it so that they can both...
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    Fitting Architrave to warped frame

    I am fitting new varnished architrave to a door frame. Having cut the architrave to size I was about to fix it when I discovered that the sides of the door frame are not straight. One bows in about 2mm in the middle while the other bows out by the same amount. If I fix the architrave as it is...
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    8mm pipe bending

    the older sections of my heating system use 8mm microbore pipework. the piperuns are all above the ground floor and drop down walls where required. In one place it used to run along the top of the skirting board but the skirting has been replaced with taller wood and so the original bend in the...
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    Sealing non wall paper

    Hi, I hope to be able to paper a small wall in my downstairs toilet (no showers) using standard ordnance survey maps. I understand that the best plan would be to put some sort of clear coat sealing on it afterwards to reduce damage but cannot find any suitable product. Does anyone have...
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    Dry spots on Flat Roof

    Hi everyone, I have a new insulated roof on my garage and dining room extension. When it is drying after a rain shower or in the morning it always has some dry spot about 3 inches in diameter which appear first. I assume that this is where insulation has been nailed in place. Can someone...
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