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I’m leaning towards this of just putting plywood on the existing joists. So the current chipboard sits 23mm above the joist level. What’s the lowest thickness ply I can go with

Like this pic below. I want to get this section closer to the wall in direction I’ve drawn arrow. Excuse my bad drawing. The pipe going down is inside a Cavity that I have no access to after it leaves the plasterboard below the floor boards but the venting bit going up i can move if needed

I have a 1700x800x25mm Mira Flight Safe stone resin tray that I need to install as low as possible for a wet room look. My initial plan was to cut out the chipboard floor where the tray will sit, then use 38x63mm CLS battens screwed to the joists slightly lower, followed by a 20mm plywood layer...

My 110mm soil pipe is currently situated in the corner of the bathroom. It was previously boxed up behind a stud wall. I’ve attached some pictures. One of the photo shows the 110mm coming from the left and entering the Tee to go down. And the other photo I show the gap between the wall and the...

I’ve removed porcelain tiles from my wood floor substrate. Was extremely difficult but chipped them all away bit by bit. I’m now left with lots of patches of notched trowel flexible adhesive. The adhesive is the flexible type and is soft it’s not the rock solid cement type. What’s the best way...

So could I dot and dab it with tile adhesive? I’ve removed all the old blobs but there are sections of the blocks that are not 100% plumb

You think the gyproc plasterboard adhesive for dot and dabbing will be ok? Specially if after it’s cured I put some mechanical fixings by the dot and dab areas too?

I have the qBoard backer boards. The instruction manual for it is here: https://www.myqboard.com/fileadmin/myqboard/2_Downloads/2_Verarbeitungshinweise/2_Englisch/Qboard_VH_basiq_WA_EN.pdf On page 5 it covers the uneven surfaces. So it looks like the recommend just putting but dabs of it and...

Whatever adhesive was used by the original builders is rock solid. It literally takes chunks of the block out to come out. But they’ve only dabbed big thick blobs everywhere like some are 50cm apart. There’s no pattern that I can see. What kind of adhesive did they use? It’s rock hard not sure...

On the current external side of my bathroom wall there is currently green plasterboard that was dot and dabbed. The thickness of the plasterboards look approximately 20mm. I’m ripping the plasterboards out from the blocks completely to replace it with 20mm xps backer boards. I’ve attached a...

I’m stripping out my bathroom currently. I believe that it currently has a form of tongue and groove chipboard with some sort of grey top layer so not sure what sort of floorboards it is. I’ve attached a closeup photo of the surface. Three questions: 1. All the floor boards have uniform join...

I need to screw 38x63mm CLS battens to the side of my joists to then lay plywood on it. I believe it’s recommended to also apply glue and screw it down. Wanted to know what kind of glue will work well with screwing the batten down?

I’m doing my bathroom and will have a concealed cistern. I’ve rippped my old one out and it was badly fitted and has been weeping for years but there is this sort of material on the floor that’s bone dry but deformed from how much water it’s sucked up. So got me thinking it’s a nice backup to...

On which one? The TRVs on all the radiators that I turned off are working because turning them to off has turned all those radiators off completely

I had a Baxi engineer come and change pressure relief valve on my combi boiler and also recharged the vessel. But later I noticed that two radiators downstairs were not heating up at all. They were working correctly before. I assumed it's an air lock somewhere. So i went upstairs and turned off...

I have a bathroom wall that’s about 2.3m wide and 2.3m high. There’s a small window in it (around 64cm x 92cm). I want to build a full stud wall in front of this wall to bring it further into the room, since I’ve got plenty of space. The idea is to create room for a wall-hung toilet, concealed...

So for the walls i dont need to worry about decoupling membrane?

Need some advise from the experts please. I want to do my tiling project properly once. I will be using the XPS foam based tile backerboards sold by B&Q. this type in particular: https://www.diy.com/departments/qboard-basiq-square-edge-20mm-backerboard-h-2400mm-w-600mm/4025345158045_BQ.prd On...

Does anyone know if there is anywhere you can buy black colour 32mm waste pipe that is solvent cement type that comes preformed with a 90 degree bend? I don't need a it to be super long but just need a pre-formed 90 degree bend because of the location and access, ideally want to avoid joint at...

Ooopsi :) thanks. Sorry might be a dumb question but just want to be 100%. So if I wanted a 15mm copper pipe to insert directly to this connector itself for soldering on, then I need the 15mm female version? otherwise with the other connector it will be like have two ends of a 15mm pipe which...