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JohnD thanks for your reply. When we moved in there was a hatch cut in the subfloor under the stairs. I extended it along the direction of the joist. I have been in the subfloor via this hatch. Quite a tight fit. The problem is, I can't get under some pipework and can't get acess to a large area...

Hello We have a subfloor which we want to inspect for damp and rot The floor is wood laminated, then floorboards underneath and then into the subfloor itself with joists etc... Not sure how the laminated floor is retained, could be glued, could be tongue and grove. In the cupboard under the...

Thanks. There is a filling loop with isolation valves on both ends just below the boiler. I could disconnect the one end of that and drain the boiler that way then

I have a problem with an expansion vessel. I have charged it and I am going to watch to see if system maintain pressure. I am just preparing, if it came to it, how to drain down the boiler system.

Hello I was wondering how to go about draining down a boiler in a two storey house (ground and first floor). The boiler is located in a bedroom on the first floor. 4 radiators first floor, 3 radiators ground floor. Tubing to the ground floor radiators goes into the subfloor, in other words...

Hello Thanks for your replies If I take the schrader cap off, it doesn't even drip really, it is just wet to touch. If I press the schrader valve and release some air I get some water with the air. I have charged the expansion vessel up to just under a 1 Bar and I am going to keep an eye on...

I have a question about a combi boiler. Water leaks out of the schrader valve of the internal expansion vessel. The water leaks when I take off the cap of the schrader valve and touch the value, just a trickle. Also the boiler hot water radiator circuit losses 0.4 bar pressure every ten days or...