subfloor

I am looking for some advice on suitable bathroom subfloors on joists. I have had a look on the forum, and am struggling to find an answer. Currently the bathroom subfloor is some kind of 18mm chipboard screwed onto the joists (400mm centres). Previously carpet was laid on top of this so...

I'm looking to install a Mira Flight Low Quadrant Shower Tray 800mm x 800mm x 40mm. My bathroom currently has 20/22mm chipboard flooring. I'm looking to fit the shower tray and tile the remainder of the floor. My plan is to overboard the chipboard flooring with either 6mm No more ply/ Hardie...

Hi All, I am doing a kitchen extension. 3m X 6m, and like to install wet ufh. need help to decide the best way to prepare my concrete subfloor for wet ufh. option 1: mot + sand blinding + dpm + kingspan + dpm+ concrete + ufh boards (18mm) + ufh pipes + screed + tiles option 2: mot + sand...

Hello everyone. Almost a year ago I had a leak fixed in the bathroom, but now there seems to be another problem... Part of the fix I had done last year was having a new shower screen and bath panel installed. Just been reading the instructions and realised it wasn't sealed correctly on the...

Evening all, I am looking to lay a reclaimed maple wood block (230x65mm) floor (herringbone pattern) on a concrete floor covered in ceramic tiles. Unfortunately it has not been possible to lift the tiles and so I'm looking for advice on best preparation/products. The floor is on the first floor...

We've had a big garden studio built, and in an effort to save money on the escalating costs of having it done out (and because we didn't like any of the laminate options available to us), we opted to finish the flooring ourselves. We want to keep costs down, so are looking to install simple...

Hi there, looking for a bit of advice. we had a damp and timber specialist come to look at our subfloor the other day as there’s signs of woodworm and a smell of damp. upon inspection (he was round 10 mins and charged £160!) he’s quoted £825 for treatment in the hallway, dining room and...

Hi everyone we recently purchased our first home - a lovely three bed Edwardian semi in need of some work. I am looking for some advice on mould. we have noticed a few areas of damp. 1) The interior outside wall in the kitchen. There is no extractor fan, no heating and a poorly fitted back...

Hi, I bought 6mm No More Ply for my bathroom floor before I tile. As you can see the floorboards are not perfect, and there is a piece of ply patching in one section. It all feels quite solid to me, but not perfectly flat everywhere as the boards are old. My worry is that when I put down the...

I am having a plated underfloor heating system installed between the joists of my suspended timber floor throughout the house, so, I was wondering what the best subfloor type is to lay over the joists when the UFH has been installed. So the floor joists are at roughly 450mm centres which is...

I had to remove portions of the existing subfloor chipboard panels (18mm depth), which now I need to replace (I already bought a new P5 panel). The problem is that one edge of the hole is irregular, and I'm worried that parts of the new chipboard won't have sufficient resting contact with the...

I have a bit of a new project and I'm hoping I could gather some expert tips while I'm still in the planning stages as I've seen some contradictory advice. I am moving to a new build and want to install parquet on most of the ground floor using...

Hi, I hope someone can help? I’ve moved into a 60s house which has not been kept up to date, and whatever has been done looks like it was always done on the cheap. I recently removed the flooring as it was rotten through due to a leaking sink. Underneath the rotten plywood was a concrete floor...

Hello all! First time poster: I have a semi-detached house in a high water table area and I noticed that under the suspended wooden ground floor there was some standing water. I carried out some investigation and it appears that more water flows into the crawl space (approx 4ft high) in when...

We have a 1930s end terrace house Water entering subfloor througth gable wall side. Subfloor below street level. Normally I would put a acco drain / french drain in, or lower the external level but I can't because the street is the responsibility of the council. How can a resolve this issue

Hello We have a subfloor which we want to inspect for damp and rot The floor is wood laminated, then floorboards underneath and then into the subfloor itself with joists etc... Not sure how the laminated floor is retained, could be glued, could be tongue and grove. In the cupboard under the...

We recently removed a wall in our kitchen/living space. It's left a gap that we're trying to fill ourselves. I've attached an image of the floor layers next to the gap. The measurements for each layer from top to bottom are approx: 21mm, 20mm, 57mm, 12mm. I have two questions. 1) What are...

hi, I'm trying to find out what the minimum sensible thickness of plywood i can use to lay over our joists. Its an old house and the joists centres vary from 380 - 400 (most less than 400). The joists are 45mm x 160mm, and there are noggins dotted around the place. Most joists are pretty stable...

I know this sounds familiar, but have read the posts and find the info I need, so any advice appreciated. So from top to bottom I was thinking (for garden studio); - 225mm x 38mm wooden floor boards - (maybe VCL or foil tape joins in celotex sheets) - celotex - concrete floor Will the floor...

I'm building a 4.8m x 2.8m (ideally) garden room and need some advice on the base / subfloor and possibility of overhang on the floor joists. As you can see in the image, I've got a concrete slab (not insulated) that I was going to sit the 3x2 treated joists directly on with DPC underneath each...