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Hi I'm managing a refurbishment of a 3 bed semi detached house. It has a shared flat roof at ground level over downstairs bathroom. The snag list has picked up the aesthetic nature of the roof. It's not leaking however the grey resin has large cracks and valleys in it down to the baseboard. The...

Someone could have used an old gas pipe to feed the water supply and copper sulphide is leeching of the pipe

Blah blah blah.. It's a pig to fit trvs onto microbore as the copper is soft and invariably leaks. Best thing is to cut back the pipe and use long-tail 8/10 to 15mm endfeed reducers straight into standard 15mm valves. But this depends on you getting all the water out the pipes. Normally it's...

Most likely the Pump is knackered, the myson/bg clone were cheap and nasty and failed regularly. The air vent was made of plastic!! Would explain the banging and crashing and the extremely high flow temperature. Change it for a dab evosta or a wilo pico 25/6. Be warned if you get vaillant out...

Kingspan Kooltherm Phenolic Pipe Insulation

There's a story behind this. Barlo radiators went bust over brexit overbought raw materials. They made many of the own brand radiators sold through Wickes, toolstation and f+p wholesale. The only manufacturer that was big enough to plug the gap was Kartell radiators however there build quality...

There's zero room for anything behind the frame other than the bend with the reducer up to 4". If you go left or right with the grohe you will need to grind a chunk out the metal frame. If you get a geberit it will work without hacking the frame.

The last couple of floor mounted taps I have fitted have had floor mount systems. The crosswater has a ibox style floor mount, you connect the hot and cold tile up to the guard then remove gaurd and bolt the tap onto it. Cost £1400. The current one is a Hansgrohe, has its own floorbox is...

The ultimate 120ff is 78.1 % effecient so flat out on 5 it generates 27kw of usable heat before losses. A 36/37 kW will need minimum 28mm meter Union, Swept bends and 28mm pipe will be borderline will still pull the inlet down to about 18.5mb at max output. A 630 system boiler would easily...

Should avoid cheap trv bodies as they will be wax based rather than more expensive liquid. For example a Drayton trv4 is liquid it will respond quite quickly to temperature changes. A much cheaper wax based trv body could take up to 50 minutes to respond to temperature change!! Plus wax one...

The only way to get the traps to perform properly is to run the waste pipe in 50mm from the soilpipe or outside gulley. Normally the last 300mm go down to 40mm. All waste pipe as should fall at 1 in 40. However experience tells us 50mm can be put in with very little gradient. From a plumbers...

Everyone is missing the obvious the new shower is probably limited to 43c. You will need to adjust the temperature stops to get it it go hotter!! Normally by removing knob or control lever.

Underfloor heating is contained within a screed above a subfloor. Normally 50mm to 100mm of celotex is laid then a thin vapour barrier then either track, clipped or eggshelled ufh pipe then 50mm of screed on top. You don't put ufh in concrete!

Your gonna pour concrete over ufh?? Really.. And at four inches.. Really???

You also find that if your coming from the right or left the 110 single socket that the 110 to geberit hdpe adaptor fouls the frame. This can be overcome by either cutting a chunk out of the frame leg with a grinder or using a large ofsett multiquik with a sliver of 110mm pipe. All the grohe...

Rip the whole lot up put in 2" kerb sets to make a border. Weed barrier.. Then fill up with compacted type 1 say 6 tons. Then 2 tons of sharp sand floated out and screeded flat. Then roll out your grass sticking the edges onto the kerb sets. 2 skips. Minidigger 2 men 1k for artificial grass. Say...

Why is the expansion vessel red? Its not designed for potable water it should be grey or white or blue. A red vessel will perforate in 12_18 months as its not designed for regular water changes.

Stop fooling around with it put the pumpspeed to 2 or 3 as you will cause more problems with the hex as they are prone to issues.

You need to message TheBaker or pin5. I would personally disconnect the outside sensor they cause more hassle than there worth.. Actually msg Razor900 (works for them)

Why have you got a builder doing a plumber's job. A plumber would let you have your waste where you wanted it. The builder of limited ability will always wants to take the shortcut.