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I'm fitting a frameless shower enclosure with two hinged doors on a new bathroom, which has been tiled onto 12mm hardiebacker with 90mm celotex insulation between studs (exterior wall) behind the hardiebacker. Unfortunately I forgot to put a stud behind one of the sides where the two shower...

Laid a 4mm layer of Mapei Ultraplan slc but need another layer to build up the floor. Can I simply prime the first layer (planning on 3:1 ratio of water:Mapei Primer G) and lay the second layer on top? And how long should I wait for first layer to dry? Been 24 hours so far

Am building a stud wall and very limited for thickness. Planning to use metal studs as its easier to construct. It's a wall separating two bedrooms so need it to be acoustically sound. I will be fixing acoustic plasterboard to either side and fitting 50mm acoustic wool in between. Would 50mm...

Couple of areas in my house I need to repair - one shown below: Had to hack off some of the multi finish on this one, what would be the best way to repair? The paper layer has also come off the plasterboard so I can't reskim the current surface. Would it be blue grit and then multi finish...

I am boarding out a new loft and had to buy the smaller 1800mm x 900mm plasterboards as there was no way to get the larger boards up to the room. However the builder (who completed the shell of the loft for me, while I am doing all internals) has built 400mm stud centres on walls, with noggins...

I have a studded bathroom with 90mm insulation between studs and 15mm insulation over the studs, which I intend to board and fully tile. Want to fit 12mm Hardiebacker board in the shower area and 12mm moisture plasterboard on the rest of the walls, then tile. Just called Hardiebacker and they...

I'm DIYing my loft conversion (builder built the watertight structure and did roofwork, I'm doing all internals). It's hip to gable with a rear dormer. Insulation wise, I have 90mm Celotex in between external studs. I am thinking whether or not I need to use 15mm OVER the studs too, or if it's...

Almost ready to start plasterboarding my DIY Loft conversion (had a builder do the shell/structure only) but realised the internal corners have no studs for the plasterboard to screw to. Is this standard or has the builder messed up? I would have thought a stud is needed on every corner? Do I...

Am doing my loft bathroom floor and wanted to confirm my order of flooring build up is correct? -22mm chipboard -12mm Hardiebacker, glued down using tile adhesive and 12 screws per board. 3mm expansion gap around perimeter of floor, which I'll fill with silicone (so there's no gaps when laying...

Had a builder do the shell/structure of my loft conversion earlier this year and I'm DIYing the rest. Whilst putting insulation in I've discovered he hasn't left ventilation at either end of the cold dormer roof. It's felt on top, with 150mm (145mm) ceiling joists, plus firrings. Am using 120mm...

Am currently putting the floor in on my loft conversion (controlled) - there was 150mm thermal insulation in between joists which I've left there - is this adequate for building control sign off or does it need to be acoustic insulation? I've already glued a couple of rows of T&G boards down so...

I am about to lay T&G floorboards down for my hip to gable loft conversion with rear dormer and not sure how far I should push the floor insulation roll into the edges of the dormer and eaves? Read conflicting views when I googled and searched this forum, I can only assume that's because each...

I'm running 1.5mm and 2.5mm cables for lighting and sockets in my loft conversion and wanted to double check what I'm doing is correct. The lighting and power supply cables have already been run from the consumer unit on ground floor into the loft. Lights will be on loop and sockets on ring...

I'm putting the insulation in for my loft conversion and not sure how to put the Celotex around the pipes and electrics. I've had first fix plumbing done as shown in pics. Tried Googling and searching this forum but all answers were for wool insulation, not PIR. What's standard practice here...

I'm looking at a house to purchase which needs a lot of refurb work. The roof definitely needs work, but as I'm no expert I'm not sure how much. Below is a pic of the roof from outside: Some roof tiles look like they're caving in? And this is a pic from inside, looking into the loft...