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Planning to install GGU M06 0059 Velux's (new build extension), roof tiles are Marley / Redland Double Roman concrete, slope is approx 32deg. Roofing supplier recommends EDW flashing kit (up to 120mm), but Velux say both EDW or EDZ will be OK. I would have thought the shallower one would be...

I am pulling my hair out here, please help! No matter what I do I can not seem to stop 22mm copper pipe kinking / rippling on the inside radius, although sometimes it doesn't happen at all. I have always owned (from new) a Hilmor hand pipe bender, and can't remember having this issue as much...

Looking to purchase and install a 3 bar negative head whole house pump, but I'm undecided about whether to go with a Salamander or Stuart Turner. Obviously a not insignificant purchase so want to get it right. Visually the ST pump looks better quality, but is typically £80 more expensive than...

Exisiting underground soil pipe runs from rear of property (bungalow) and connects to an inspection chamber at driveway entrance where it connects to the main sewer, this run is approx 26 m. As the bathroom is being moved and an extension built in the near future, a new soil pipe will have to...

Existing system in 3 bed bungalow is Y-Plan, installed 10 years ago and comprises Wall Star oil fired boiler, indirect vented HW cylinder (on ground floor) and CW 'coffin' tank mounted high in loft space. New system modifications will include changing to S-Plan with three 2-port valves to...

About to reroute / replace underground mains water supply pipe from water meter (near street) to stop cock, which is a run of approx 15m. All existing mains cold in the house (bungalow) from the stop cock is 15mm copper, so will 20mm MDPE be OK? Got an awkward bend to negotiate, so would...

Have a modern digital 3ph meter which was installed about 4 years ago (meter located in the kitchen of a 60's bungalow) along with PME earthing. However, the meter and incoming fuses / connection blocks are still mounted on what looks like the original chipboard backboard. This has seen better...

About to fit a new uPVC window into a new opening in a kitchen. Although I'm generally familiar with the process, I haven't fitted one myself before. Is the best way to level and fix the cill the wall first with frame fixings, and then the window to the cill using normal screws. Or fix the...

Planning to install a 1.5 kW Varme cable type electric UFH system under a tiled kitchen floor. The manufacturer advises connection to the ring main via a fused spur. Now my existing electrical system was updated approx 10 years ago with a split load CU with RCD on the ring main. As there will...

Will soon be moving my HW cylinder so want to install a shower pump while I'm at it to serve both a new mixer shower, and an en-suite mixer shower in a soon to be built loft conversion. HW cylinder is in the kitchen (bungalow), CW tank is 200lt 'coffin' type mounted high in the roof space, CH...

Currently have a Honeywell ST6400C 7 day programmer controlling CH and hot water (oil fired boiler). Rads have TRVs but there’s no room stat. As I refurbish and extend the house, I really fancy installing a CM927 wireless controller, but in all the spec info I have read on this unit, there is...

Just had a room plastered, but before I emulsion I want to fill a few areas that are less than perfect, mainly around sockets / switches as I have the flat plat / screwless type. What's the best product to use for this job? Have used the usual Polyfilla in the past, but always thought it was a...

About to purchase solid oak flooring for 3m x 4.5m lounge / dining room. As my budget is tight, have been looking at products around the £20 - £25 sq m mark. With this in mind, would I better to go for a narrow board, e.g. 90mm rather than wider to reduce the chance of curling? (I will be...

Anyone have any first hand experience with www.u-fit.co.uk, good or bad? Have some windows to replace (notified as part of full plans buildings regs application for my house extension) and they do appear to tick all the boxes for features I want, inc 28mm Pilkington K glazed units. Just...

Just laid a new concrete floor in a lounge, with the finish level being 10 - 20mm below existing DPC. I assume I should really chase a narrow groove out below the existing DPC and insert the edge of the DPM into it... how deep should this groove be, and what adhesive should I use to seal / hold...

About to use these products to repair some cracks in some external masonry, although I've not used them before, the process looks very straight forward. I've got a 4.5lt tub of the 'special Helifix grout', cost about £50 + vat, but a bit surprised it looks to me like a bag of OPC and a sachet...

Currently refurbishing my sitting room in a 60's built bungalow. I knew the concrete floors in all the rooms were in a poor state, being unlevel and sounding 'hollow' in places. The plan was to strip off the original Marley tiles and lay down self levelling latex. However, after eventually...

Had structural calcs professionally prepared by SE for my extension, but I am concerned that they are extremely OTT. Being an engineer by profession I am in the process of working through them, but am struggling to understand a constraint for beam deflection. I am aware of max deflection for...

Sorry if this is an obvious question, but I get different opinions from people, and I did wonder if it was local authority dependant... Question is, can I connect rain water drainage from gutters into underground soil pipe which is connected to mains sewer? And what ever the answer, is it...

I am going to need to re-route my mains water supply from entering into the bathroom at the rear of my 60's built bungalow, into the kitchen at the side. I seem to remember that building regs dictate the main has to be a minimum of 750mm below ground for frost protection reasons. Now as the...