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Quite right (bit in red). It is the medium - be it a liquid like water or a gas like air - that moves upwards (because it is less dense) whillst the coder (more dense fluid - be it liquid or gas) falls. Incidentally, this wouldn't happen at all if it wasnt for gravity. [Bit in blue]...

Thanks CD. In your opinion, would marine ply over the orange decoupling mat be fine? XRD

Thank you for your reply. Thinking of fitting a heating cable rather than a mat. What sort of board or insulation is suitable to go over the cable but under the vinyl floor covering? Thinking of using this kind of decoupling mat over the insulated floor. Can I just put a marine plywood...

Thanks for the speedy reply! 4 mins - must be some sort of record. Can't see anything in the manual about this setting XRD

Hello, I posted a query in the Electrics thread (see here) but have not had much in the way of responses, so I'm trying here. Here's hoping! XRD

Hello, I hope someone can (a) shed some light on what is happening here and (b) how to sort it out! What happens is this. Mid-afternoon, roughly 3:00-3:30ish, the boiler 'wakes up' and it sounds like the pump is running. However, both the central heating and the domestic hot water is also...

Thank you for your reply. Does anybody else have any input? For example, can a competent DIYer fit underfloor heating to a bathroom? I'm planning to have the mains connection, RCD protected of course, in an adjacent room with the thermostat in the bathroom itself but at least 1m from any...

Hello, Just looking for some advice in advance of undertaking any work and/or getting quotaions. We have a very tired bathroom floor - a 'traditional' suspended wood floor and floorboards with sealed cork tiles over hardboard. This has lasted some 28 years but is going to be replaced. We are...

Sorted. Took the ‘J’ shaped pipe to City Plumbing. Result is a 1” brass stop end (they didn’t have a plastic version). Pipe now sealed and hopefully no leaks! Thanks to all who replied/offered suggestions. Much appreciated. All the best for ‘25 XRD

There's a City Plumbing nearby, I think I'll drop down there with the part and see what they have. There was a Graham Plumber's Merchant on the way home and I went to call in, but it appeared to be permanently shut : ( Meantime, I have cut a 30mm blank out of 2mm acrylic and I'll try to...

Thanks for the reply but sadly no. I got one of those and it is too big. I don't know the size of that part - I'm guessing an inch - but I got the 32mm Washing Machine cap (73053) and the 40mm one (96079) but they were both too big. Difficult to take the part with me as it is part of my...

Thanks Rob. Still puzzled however. The nut that I have has a hole in the middle (see the last picture in my original post) but the picture that you posted in your reply seems to be a solid centre (i.e a kind of 'cap' rather than a 'nut'). Would a washer seat against the bule bung & seal the...

Hi Folks! Happy New Year and all the best for 2025! I have a query to do with the waste from a sink with a connection to a washing machine discharge pipe. The pipework under the sink includes this pipe: The pipe fits under the main trap for the sink. The outlet of this pipe (on the left)...

Quite possibly. Seems highly likely. Maybe I could flog them to the Army as armour for their tanks! I know that most new-build homes are made out of tissue paper, spit, hope & a prayer but I'd like to be able to drill into "normal bricks" for a change. Talking about baggy holes, it isn't...

Anyway, a further update in the Bosch CYL-9 vs DeWalt Extreme drill bit test ... Had a go at drilling four 6mm x 30mm holes for wall plugs in an outside wall which is made out of a very hard engineering-type of brick (Lord alone knows why *shrugs*) The Bosch CYL-9 drill bit definitely coped...

Yes, that was my thinking more or less exactly. XRD

Thanks. Didn't know that's how a SDS drill worked. A quick 'Google' tells me that SDS stands for 'Slotted Drive Shaft' and that the drill bit moves forwards and backwards within the chuck. A 'hammer drill' moves the chuck containing the drill bit backwards and forwards Makes me think that...

Perhaps so, but that would have added more expense to the job. I think that the CYL-9 bits will deal with our 'engineering' bricks - providing the weather is dry and not windy, I'll test that out tomorrow, if not it will be Tuesday. I'll probably get a 3.5mm and/or 4mm CYL-9 at some point for...

Okay so the results are in... I had four and a half holes (6mm dia and 30mm deep) to drill. Not impressed with either bit to be honest. If anything, the Bosch CYL-9 just edges it. If it was a school report for the CYL-9 it would say: "After an impressive start to the term, they quickly went...

So I now have 5 masonry drill bits - two DeWalt Extreme and 3 (minimum order quantity) Bosch CYL-9. With 5 brand-new drill bits, I should be able to drill four-and-a-half holes in the lintel :giggle: "Drill-off" is tomorrow! Dave