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Bathroom refit into new extension



Thanks to the relatively mild weather this winter i decided to start chipping away at the bathroom project, which is being extended into part of the extension which was finished over a year ago. This gave me the opportunity to install the bath, sink and toilet in the new bit, at which time I’d totally disconnected the old bathroom allowing me to strip it out and that’s worked really well for my as I struggle to do more than 4hours in a single day so I could keep doing a bit and stopping when I’d had enough.


didn’t fancy tackling the ceiling for plastering in the new bit so got a pro in to do this bit for me, all done in a couple of hours which was nice.



and made the most of the space and got the painting done after putting a layer of 10mm marmox board down ready to accept the underfloor heating mat





Next job was to start making a frame to hold the toilet frame and the sink and cabinet




Decided on making my own cabinet rather than paying silly money for an MFC one, got pine furniture boards, a pocket hole jig and a new router and came out with this which I’m pretty happy with 





that all got painted and the sink installed, wall mounted tap and the wet room panels that I’m using both for this and for the walk in shower area all installed.





got to work cutting the OSB backing and wet room panel for the toilet in prep for the final big push to disconnect the old and commission the new, that was a hard days work!




And then bath and toilet all installed




once the shower area is complete the bath will be disconnected again to lay the underfloor heating, self leveller and the flooring before being put back in place, and eventually building the wall and plastering it.


Made a start on stripping the old bathroom out









Next job is to patch up the loft insulation where the old spotlights were, new wiring in place for a single light fitting this time, airtight membrane adhered to the walls and then battens before reboarding it ready for plastering. Floor is coming up also to be replaced with 22mm chipboard to match new bit.


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Swear I’m getting slower at this DIY lark!


been a very turbulent month and a bit, about a week after I last posted in this thread my dad passed away, and with funeral and starting to sort the mass of stuff in his house, the days have zipped by at a rate of knots.


coinciding with what I always find the most difficult part of these jobs, getting the floor structure down, balancing definitely isn’t a strong point!


cut out the last of the woodwormed joists and decided to replace everything under there again even though quite a few were new from around 10 years ago, it was the first room I’d done and wasn’t prepared for what I found so the ones I took out were untreated, now replaced with treated.


topped up the floor insulation with another 20mm to go with the existing 70mm, new 22mm chipboard, and sorted both heating and supply pipes along with drainage for the shower.


be a few weeks now til I get some time to do the first batch of plastering, but I’m just happy it’s starting to look a bit more like a room rather than a building site.


















Stumbled across a brilliant airtight primer this time too, Tescon's SPrimer, which is a sprayable primer. Saves killing a paintbrush, and is so easy to apply, but its a little smelly for a few days. I've still got a bit of the paint on primer, but don't think i would have had enough to complete the job, managed to get a can off ebay from someone who had finished their works and was selling excess off.





Edited by MikeGrahamT21
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