Try pouring boiling water over the heads to expand them, wear gloves when they come off your knuckles will suffer! Try an adjustable spanner adjusted to fit just under the bottom of the head and lever it up. Vinegar left in the top recess under the coloured cap overnight may help to dissolve scale
As a last resort try a reset I had another problem and after trying lots of things took a chance and reset.
Settings/System/ Recovery/Reset this PC, IMPORTANT then click the save my files option.
Took a while but everything went back to normal all I lost were a couple of apps I had downloaded...
AS said couple of coats of paint or perhaps pva first coat diluted on both.
Decant paint into container to avoid contaminating rest of paint and dispose of the brush.
I would look at the flooring you need a draft under floor, Do you have bare boards, if so those gaps add up! Hardboard under carpet and underlay for a start with mastic between the skirting and flooring, also board cupboard floors like under stairs.
Sounds like you are trying to use the filling loop to drain. Can you post a picture of the boiler connections?
Best way if you cannot find a drain cock is pick the smallest downstairs radiator turn off both ends, open the air vent and undo the rad connection enough to drain into a bowl. Then...
SDS will not "hammer" when you squeeze the trigger and pull. Try putting a normal hammer drill on the bit and reversing with that. You can try clamping mole grips on the shaft an inch or so from the wall and using a crowbar behind the jaws levering against the wall. Otherwise the only thing I...
Sounds like crappy paper regardless of price.
A thin paper will highlight defects regardless of PTW or normal. Sorry but unless your walls are perfect a textured or at least heavyweight paper is the way to go. I don't know how much is done or needs to be stripped off if not much perhaps using...
It needs supporting if no lintel.
DG firms just don't want the hassle!
Are you using national companies or local established fitters? A local recommended company with a reputation to maintain should give you advice.
I briefly worked for a national company and my experience was that many are on a...
We used to coat them in Synthaprufe (rubbrised bitumen paint) when putting in the carcase back in the late '60s not sure if it is still recommended practice though.
Denso tape is good too but a nightmare to apply in situ against the floor.
Mostly they only rusted at floor level as water laid...