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Hi, Sixities house roof has a dark green layer of felt (? not even sure what's its name..) - it's quite sturdy. I noticed it's ripped in one place and I can see light coming in from a gap in the roof tiles. No sign of water coming in. I am pretty sure a squirrel did the job; I have cut a tree...

Hi, I have drained the CH HW system (traditional open vented system) and refilled. Bled air from ground and first floor. It seems there is some air in the boiler -> cylinder pipes (boiler on ground floor, cylinder on first floor) - I can hear it when pump running. Boiler locking out; how can I...

Hi, My sixties built house features continuous soffits vents. I noticed that previous owner added more loft insulation rockwool but managed to close some gaps that allow air to circulate throught the front and rear house soffit vents. I have removed the bit of rockwool that was blocking...

Hi, Do replacing one ceiling rose light with four LED spotlights re-wiring them to the existing wiring in the loft requires RCD test and earth fault impedance test? Do DIY people normally rent an 18th Edition multi tester or buy one?

Hi, First floor bedroom, window box has a big hole from previous attempts of installing roller blinds. House is a sixties build and the roof is almost flush to the top of the window (see pictures). Can anyone advise how to fill the gap (with structural material so I can fit a roller blind)...

Hi, 50+ old house first floor bed show cracks in the ceiling (see also picture attached). I plan to remove the woodchip paper, skim and paint and wish to avoid that the cracks coming back. The ceiling joist are not loaded by any weight, just loft insulation, but wondering whether I could...

Hi, Since installation few months ago my Vaillant EcoTec 418 never exceeds ~75% gas flow according to the display. This is annoying because the boiler takes longer to heat up and does not operate at max efficiency even from starting from dead cold water. I asked Vaillant Vaillant said that there...

Hi, Reading my Vaillant 10yrs Guarantee T&C and the benchmark logbook requirement. There is one record check "System inhibitor checked in accordance with BS 7593"; - How this check is done - How much does it cost / is it included in the service charge fee? Many Thanks

Hi, I am repairing a fence by fitting a new concrete spur flush to the old wood pole that snapped underground last winter. The pain is digging out soil around the rotten wood pole down 60cm; I managed to remove some of the old postcrete with Bolster and hammer, but there is some left about...

Hi, I want to plaster over a rather deep hole by the new boiler. What's the best practice / building material I do need to use? The two holes are quite deep (see pictures) and wondering whether / how I can procure some rubble and stick on the wall with rapid cement, let it dry and plaster over...

Hi, I want to hire a trader to supply and install a window. I found the trader on Mybuilder and the company name is on Fensa site. They sent a quote asking for 50% deposit so I checked the gov.uk website to see if the company has a registration number but I could not find it gov.uk. Hence...

Hi, Tree roots get in the sewage drain (see pictures), causing a blockage (loo paper gets stuck into those thin roots). I am cutting them regularly (every six months) but it's smelly so I want to resolve once for all. Options are: 1. fell the tree 2. spread some chemicals into the roots but...

Hi, My S-plan has a by-pass valve (common plegler gate valve) that seems incapable of closing the flow (see red circle of the diagram). I tried to close it completely, turning until the end but the output pipe did not get colder, at touch seems the same temp as the input. I suspect some crap...

Hi, Getting ready to change my Potterton50e to a new condensing boiler and want to make sure it will actually condense - particularly when supplying water to rads. My Rads are sized to operate at high temperature supply. Last winter I set the boiler at around 70C; apart a couple of weeks when...

Hi, I want to replace "like for like" an heat only boiler on an S-plan. It's a simple job apart controls where most installers so far have shown no clue on how to design a system to maximise condensation (PDHW system) and modify S-plan cleverly to do so. Better I actually design it myself and...

Hi, My Hot Water yearly consumption is - 7300kwh/year - which is high for two people. Wish to find out what's the cause of such high consumption. I manually switch on HW before showering in the evening, and after about 10mins the cylinder reaches 67C from 37C. We start the shower with...

Hi, I want to buy a heat-only replacement of my Potterton 50e for open vented S plan system. My requirement is a boiler that lasts 10+ years with minimal yearly service costs. Not sure which brand I should go for - I am considering Viesmann because it's the only with stainless steel heat...

Hi, Combi boilers have two knobs to set CH and HW temperatures. This way one can keep CH temp low to say 50C and condense for high efficiency, and HW temp higher say 60C. Is there a way I can have two temp for heat only boilers activated by an external switch or openterm? I only start the...

Hi, I have an 20yrs heat only potterton 50e boiler with 196x old house - suspended floor - designer radiators, open vent system and hot water cylinder on first floor with two motorised valves and stat. I want to replace the boiler with minimal cost and max efficiency so thinking of replacing...

Hi, My roof is made of concrete slab, sixties built. There is a fair amount of moss and grit coming out from the tiles coating. I'd like to get someone to carefully remove it without damaging the tiles, ideally avoid walking on roof. Tiles are 50+ old so they may get damaged. Is there any tool...