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Two questions here so far… Is it worth the bother? I don’t see it as too much trouble given the bathroom is being renovated anyway? Is it a good idea? They work well in our other bathroom. I’m still not sure why it’s a bad idea… I think if it’s ok having the spots between the plasterboard...

Hi All Above our bathroom used to be a flat roof and the joists are 100mm deep. The roof is now pitched but the old flat roof boards were left in place over the joists. There is no insulation between the joists (it’s on top of the boards in the loft). Is it ok to fit spotlights in this 100mm...

Hi I’m renovating part of our upstairs. The house is of different ages and in one part has 200x50mm joists at 400mm centres, but the other part has 150x50mm joists at 600mm centres. They’re different parts of the house (old and new) with a step between the different heights. The floorboards in...

Thank you, that would be great if you can send the link.

Thanks, looks good. I assume the plasterboard sticks to the foil on the insulation ok? Or do you peel it off first?

Thank you Swwils and Woody. Which would you do? In my mind another reason to use batons is being able to screw through into the brick, rather than glueing the insulated boards to the existing plaster, which surely relies on this still being solid (which it does feel like it is). With...

Hi I want to insulate a solid brick wall and it’s been suggested I use insulation backed plasterboard and glue it on. This is fine, if you all agree, but the wall isn’t straight, it’s about 2 inches out floor to ceiling. The new plasterboard would therefore be the same, so it would be great...

Hi All I want to add some sockets in a bedroom and the plan is to run a spur from a socket (on a ring) to these via an FCU with a 13a fuse. From the socket on the ring it'll be about a 3m run to the FCU, then about 10m in total between sockets. As it's protected by the 13a fuse is this length...

Thanks. Perhaps 4mm radial off the 6mm is better then. Avoiding testing issues in the future as you say and seems more common in this instance.

Ah that's for 2.5mm radial?

Is a 4mm cable on a 32A mcb ok? I thought a radial circuit in 4mm should be on a 20A. Just what I've read and very happy to be corrected! When you mention ring circuit limitations, do you mean the maximum area the ring can cover or something else?

Thank you. Sounds like my best option is to leave the 32A mcb and make a secondary ring off the 6mm cable using 2.5mm as I do already have this.

Total cable length would be about 10m to make a ring. 5m radial.

Interesting, I did wonder about that but wasn't sure if it was ok. Sounds like th best option then if within the regs. Presumably the 2 ring connections just join the 6mm cable in a junction box. Also ok with the 2kw heater, which is fused down to 13A already?

Sounds good. Does the same apply re mcb rating if the 2kw heater also continues to run off the 6mm cable?

Thank you for your reply, that's helpful. I do have RCD protection on all sockets, just not on lights. I'm told I have a split board (16th edition). I also have a multimeter so should be able to complete the test you suggest. Failing the above what do you think to a radial circuit using the 6mm...

Hi I've created a new small room by partioning a bit off 2 adjoining rooms. I want to add some sockets and have a couple of options: 1) Run a spur.. or spurs off an fcu. But I don't have the ability to test the socket I want to come off is on the ring main, although I believe it is. 2) I have...

Thanks for the replies. Is 1.5mm T&E also sufficient with a 16amp circuit breaker? Thanks again

I'm adding a 2kw downflow bathroom heater. We have a 6mm cable that powered the old electric shower under the floorboards in a junction box so I plan to use that for the heater as it's easier to access than any socket cables. This cable isn't used for anything else. I'm going to run a cable...

Yeah that's what I was thinking, sorry should have explained better. I want to take a new pipe out back wall, around outside of house (approx 3-4m) and join into the existing pipe.