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I've read many threads (some true, some not) about cement corroding copper, MDPE, cables sleeving etc. Could anyone tell me if lime plaster reacts with anything or if it's safe to bury things directly? Trying to work out what can be put in the walls unprotected and what will need conduit etc. Any experts, same question with limecrete (NHL 5) please.

Not the easiest to see from this picture but the mains power cable coming in to our property is corroded with visible rust and several mm less in diameter at this point than the rest of the cable. Keen on getting it replaced, but very un-keen paying a vast sum of money for it to be replaced. Does anyone know if this would fall under necessary replacement by the supplier or would be considered aesthetic (which they will charge for)? For very selfish reasons this has a 60A fuse so keen to get upgraded to a 100A for a future EV charger but would rather get it replaced for free for obvious reasons.

I have not called any professional because there is the Coronavirus "how long is a piece of string" Pandemic. Since January 2021 boiler started leaking water drops after I saw heavy smoke coming from the flue, so I turned boiler off and took the bottom cover off to collect the drops. I have put washing up bowl under the boiler to collect the water drops and then each day once or twice I empty it. The boiler is a few years old and so part/s sourcing is a challenge and it probably requires a total boiler replacement. From January 2021 to now I can see corrosion / limescale deposits and some rusty stains on the washing up bowl. I have switched from gas central heating to electric radiators. To bathe I heat water pot and use bucket. So I'd be grateful if professionals could tell me the steps on how to stop the boiler water drops until the coronavirus situation improves. The system has hot water storage cylinder, cold water tank and is therefore called standard / regular / traditional / conventional boiler. (i) Do I have to go into loft and do something at the cold water tank (large)? (ii) Do I have to drain cold water tank (large), if so is this by siphon pump as using plumbing wrenches might be complicated because it could cause accident for layperson? (iii) Do I have to shut the stopcock function in the cold water tank (large) - is there anything in the market to do it cleanly and for long time rather than using timber and string? (iv) Do I have to insert a stopper / bung in the water outlet - how can I make sure that water flow does not shove-out the stopper / bung after a few days or weeks? (v) Do I have an easier method - is there some pipe above the boiler that has a valve which can be switch off the water flow using a screw driver? (vi) Do I have to do other stuff for doubly ensuring water drops whichmethod is used remains shut? (vii) Do all registered plumbers / gas engineers have to carry gas masks by their regulation bodies, if eventually a professional has to be called? Thank you.

Am considering installing a small pool either in the house or its own building. I know that ventilation and dehumidification will be essential , but what about the corrosive nature of the chlorine and humidity. Will I need to install vapour barriers , and if so what material / how ? If in an outbuilding , I assume that we will have lots of insulation and then a barrier on the inside of it ? Any thoughts would be appreciated.