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Helping our daughter do a few bits at her new house

Ouch. I don’t think you should bury speedfit fittings but if that were mine, I’d wrap Denso around the pipe and fitting, cover with sand and then concrete on top.

Tony, would the maximum span size alter if the joists were for a loft floor? For example if the span was 4.0mtrs but you could never actually walk on 1.5mtrs of it due to a pitched roof?

Yes, I said burn the lats and bag the plaster. I’ve treated her to a decent dust mask and some overalls :LOL:

You want to do all your messy ripping out and structural alterations first, then build it back in layers. So the wires are under the plasterboards so need to go in first, but the actual sockets and switched are ontop of the plaster so need to go in last.

I told her if she pulls the old ceiling down I’d put the new one up. For what it will cost it seems a no brainer to me.

How did you connect the new joists to the house at the window side of the room? When I did it at my house I went from load bearing wall in the middle to an RSJ just in from the windows. At our daughters I could go onto the wall plate direct and that would lower the ceilings by 16cm to 243cm.

I would clean everything up best you can then watch it while you use all the bathroom services.

I’ve got it in my head to rip it all out now. The wall between the 2 bedrooms is made of those hollow blocks and is built up off the floorboards an inch away from a huge joist. If I built a structural stud wall off that joist to the same height as the wall plate, I could span 8x2 between the...

That’s close to what I thought when I said about fixing a single 3x2 down each side then hanging the others off straps.

I’m just reading Freddie’s link now. I’m thinking I’d struggle with the perimeter because the 2 internal walls are those hollow terracotta blocks which are really weak and the 2 external walls have the angle on them. I want to stay close to that angle so I don’t loose too much head height...

I’d start here, not to easy to navigate on my phone though https://www.clark-drain.com/products/by-sector/residential-and-landscape

So the existing ceilings are like a banana, you can’t tell by looking but as soon as I offer the new ceiling joists up it becomes clear.

I don’t understand how that system works.

So I could use 3x2 and slide cables in easy. It puts me just under the ceiling curve too:

Ok, I need some help because I think my method is ****e. Couple of pics: I’ve put a 4x2 block on each existing joist and then attached my new lower 3x2 to that. Problem is, it’s taking ages and I think the ceiling bananas a bit. Instead I’m thinking of screwing a full length of 3x2 to...

Sounds pretty straight forward to me. If I couldn’t get it going downstream I would use a piece rope or rod to pull the jetter head up the junction. Obviously needs CCTV as well.

You could always put drain dye in the gully (or whatever you have at the top end) then wait for a downpour.

I’m not sure yet.

I found Howdens do a 2.4mtr one (y)