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    Roof insulation with plasterboard backing - benefits against cost

    I'm in the process of constructing a kitchen extension with a pitched roof. Plan (signed off in building regs) is to use Kingspan K7 (or equivalent) between and over the rafters with a 12.5mm plasterboard finish. Insulation with a plasterboard backing seems to be a lot more expensive than buying...
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    Eves tile requirement for Marley Modern interlocked tiles

    Simple question. I think the answer is no but could someone please confirm if I still need to use eves tiles with interlocked tiles (Marley Modern or similar). Thanks
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    DIY Moling for new water main feed

    I need to run in a new water main feed necessitating moling under an existing passageway. I intend to dig the required holes at either end myself but still I am being quoted around £1000 to undertake the moling. I am aware of existing services (gas feed just below the surface) and my thoughts...
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    Cocrete lintel resting on top of another lintel

    I am constructing a kitchen extension and building a new utility room and together they will form an "L" shape around the existing kitchen. The roof (which will be pitched) will be at different heights for the kitchen and utility structures so where the roofs meet, there will be a change in...
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    Waterproofing an external brick wall built below garden level

    I am in the process of constructing an extension and would like some advice please on how to waterproof part of the external wall which will be below the level of the adjacent garden. To clarify, the garden slopes upwards away from the house and I have dug out to allow for footings etc. and am...
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    Advice On Setting Up To Undertake Landlords EICR

    Not an electrical problem as such but more a request for advice on a potential career! I am a qualified electrical engineer (so not an electrician) but I am very practical and undertake my own electrical work (house re-wire, panel change etc - with professional sign-off by others where required)...
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    Appliance Waste Fed Directly Into Soil Pipe Below Floor Level

    I am in the process of building a new utility room and am looking to minimise the drainage requirements for a dishwasher, sink and washing machine. The utility room will be adjacent to an existing outside toilet (to be retained) and I noticed today that the sink next to this toilet drains...
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    New consumer unit RCD tripping

    I have changed out an old fuse box for a split consumer unit (will be notified to local authority). On one side I have sockets, cooker etc. and on the other, lighting, boiler etc. The left hand side (RCD1) works fine and on the right (RCD2), there are no problems if just the lighting circuit is...
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    How to work out the size of tap connectors

    This is a daft question I know but I have a tap (European) with connectors and I am struggling to work out what size the connectors are. Ideally I want to convert so that that I can connect to my 15mm isolator valves the ends of which are too large for the tap connectors. The internal diameter...
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    Magnetic sludge remover - are they all the same?

    I am installing a small (4 rad) combi boiler heating system and am after some guidance on what make/model of sludge remover is best to use or are they all really pretty much the same with the cheaper ones performing just as well as the more expensive ones or are the more expensive ones worth the...
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    Monobloc tap - requires tap connectors smaller than 8mm

    I bought a display tap (no tap connectors) a few years back from Bathstore when they went bust. I'm now looking to use the tap but the thread for the tap connectors appears to be smaller than the smallest tap connectors that I can find (8mm). I believe it requires 6mm tap connectors which as I...
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    Internal and external wall cracks

    I've just bought a first floor maisonette (1950s construction) and am seeking some advice on what I can/should do with some external and internal cracks in the brickwork/plaster (none of the cracks are overly substantial and it is more cosmetic than anything else I feel). Externally, there are...
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    What is this???

    I have just bought a 1950's maisonette and in one of the bedrooms I found this in the corner or the room (had been papered over). At first I thought it might be a fire place but on closer reflection I can see that this is not the case (no chimney for a start or concrete hearth). I still assume...
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    Party wall water penetration

    I am in the process of undertaking a loft conversion and as part of this I extended the existing party wall. However, water is penetrating through from the neighbours side and I am after advice as to the best way to tackle it. I have attached a photo showing part of the wall internally. The...
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    Do I need internal angle wall tiles for an external dormer wall

    I will shortly be tiling the external dormer walls of a loft conversion and for the particular tile I have chosen, it is possible to purchase external angle tiles but not internals. My thoughts are that I can use "normal" tiles to create the internal angle but do I need to put anything extra (in...
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    How to make watertight junction of roof with chimney and party wall

    I am undertaking a loft conversion and will be doing the tiling myself. I have a query on how best to make watertight the junction of the pitched roof with the chimney stack. It obviously requires some form of flashing which I think would be straightforward were it not for the new party wall. I...
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    Ring main breaker tripping - can't identify cable fault

    Looking for some help I have with a ring main. The 32A breaker serving this circuit tripped and wouldn't reset so by a process of elimination, I established (I think) that there is an issue with a cable running between two adjacent sockets (around 2m apart). If the live from either end of this...
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    Support for new floor joists in loft conversion short of supporting wall

    I am about to start a loft conversion and used my neighbours buildings regs as a basis for mine. I didn't want to use steel to support the floor so got the structural engineer to alter the neighbours design to use additional joists (20cm spacing instead of 40cm). At the time I asked him why he...
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    Concrete Floor Insulation Recommendation

    I built an extension around six years ago and had 100mm Jablite under the slab as insulation. This was passed by Building Regs (full plans) but when the inspector came to check before the pour he said we don't use Jablite anymore! Luckily when I pointed out that this had been signed off he let...
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    System boiler requirement for separate hot water return and low loss header

    I am renovating a house (3 bedroom Victorian semi) and am looking to have my existing boiler replaced. The house has a shared water supply and will have two bathrooms so I think I will be better going for a system rather than a combi boiler (the water pressure isn't great either). I will be...
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