Wet room and waterproof window

This is how the US builds a cast low lip shower tray:-

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The technique is excellent, but I don't think the drain mouldings are available in the UK. I bought a set a couple of years ago, but she changed her mind about having a walk in shower in that bathroom. I liked the way the membrane is fitted to take away any tile leakage if grout cracks develop. IME all tiled showers with wooden walls develop cracks, however they tend to be hairline and are easily filled with a bit of acrylic. You would need a ramp on the outer edge to make life easier.

Reply to
Capitol
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They do, but ~1cm.

Reply to
Huge

Indeed. In a rental holiday cottage and a hotel bathroom.

Ho, ho, ho. Fuck you.

Wet rooms are like Agas. A great idea until you actually get to use one, then you realise why they are uncommon. Because they're crap.

Reply to
Huge

Wet rooms are like agas, you think they are crap until you live with one, and then you wonder how you ever lived without one..

Reply to
The Natural Philosopher

I'd have to offer a specific counter example:

Forest of Dean log cabins had a wetroom with water based UFH in a concrete floor.

The tiles were sloped so the water mostly stayed in the shower area.

With the extract fan on and the UFH running in that room, it dried completely in about 30 mins and splashes around the bog were dried in about 10-15 mins.

No damp issues.

Reply to
Tim Watts

Nope. Sorry. Shan't ever be buying either an Aga or a wet room, having experienced both.

Reply to
Huge

Let's face it, you just dont get on with technology

Reply to
The Natural Philosopher

Oh, that's hysterical. Thanks.

(Like Agas and wet rooms are "technology" in the first place.)

Reply to
Huge

Of course they are, as are steam engines, the wheel and interdental floss.

Reply to
The Natural Philosopher

The weight is appreciable, so you need to examine the joists.

Re wet room, there is nothing to them...

#1 - Identify which way the joists run BR AD H impose a minimum fall on gravity drainage, and BR AD A impose a str ict limit (especially re wet room floor stiffness!) on joist notching. If y ou can not comply then use a pumped drain which will most likely be fine to about 12L/min using 22mm drain pipework (it is 6L/min IIRC for 15mm drain pipework). Pumped is a whale gulper and pretty trivial and extremely reliable (forget saniflo issues, they are well proven in the marine world).

#2 - Falls are steeper for pumped than gravity Pumped needs 1:40 for the main area, 1:80-100 for the drying area.

#3 - Proper tanking is mandatory and trivial Durabase WP etc sheet tanking (fleeced polyethene) or Mapei Aquadefense (yo u can use the shower version, but Aquadefense handles cracks to 2mm). Tanki ng MUST extend into the drain area and nearly all drains require a NEUTRAL cure sealant rather than the usual acid version.

#4 - Downstairs in a screed is easy, upstairs more difficult Screed is Impey Aquagrade or make your own, Upstairs Impey Aquadec or many others out there. You can NOT use the insulation solutions with mosaics

Reply to
js.b1

#8 - Underfloor heating is not an option, it is a necessity Heating in non-ensuite-bedroom wet rooms is usually quite poor and a slow d rying floor will invite slime, mildew etc. Underfloor heating (UFH) is nece ssary to dry the floor in a reasonable time even if you have adequate venti lation. The UFH needs an earthed screen, map of cable routes & sensor posit ion, limiter capability on temp (remote sensor) etc re BR.

For strengthening an upstairs floor, do not skimp. Sister joists, use 3/4" marine ply to replace floorboards, you need very li ttle deflection and glass bricks frankly are quite a stiff requirement unle ss you do re-do the joists specifically to handle it.

Tanking is the next issue.

Wet rooms wet everywhere unless done right. Final issue as I have said is true wet rooms wet everything unless you use a fixed shower head &/or screen accordingly. Italians use a simple a) showe r trolley or b) shower wheelchair into precast porcelain 1/4-ton plinth wit h fixed shower head. There is less "what can we have a committee over" and more get on with your life and rehab (rehab wards & centres are the next bl owup in the UK).

Good luck and remember the rubber duck... :-)

Reply to
js.b1

#8 - Underfloor heating is not an option, it is a necessity Heating in non-ensuite-bedroom wet rooms is usually quite poor and a slow d rying floor will invite slime, mildew etc. Underfloor heating (UFH) is nece ssary to dry the floor in a reasonable time even if you have adequate venti lation. The UFH needs an earthed screen, map of cable routes & sensor posit ion, limiter capability on temp (remote sensor) etc re BR.

For strengthening an upstairs floor, do not skimp. Sister joists, use 3/4" marine ply to replace floorboards, you need very li ttle deflection and glass bricks frankly are quite a stiff requirement unle ss you do re-do the joists specifically to handle it.

Tanking is the next issue.

Wet rooms wet everywhere unless done right. Final issue as I have said is true wet rooms wet everything unless you use a fixed shower head &/or screen accordingly. Italians use a simple a) showe r trolley or b) shower wheelchair into precast porcelain 1/4-ton plinth wit h fixed shower head. There is less "what can we have a committee over" and more get on with your life and rehab (rehab wards & centres are the next bl owup in the UK).

Good luck and remember the rubber duck... :-)

Reply to
js.b1

Reply to
robgraham

In message , Robin writes

When they moved house, my parents redid the bathroom. My late father was disabled, and whilst he could walk, it was increasingly difficult for him, and stepping over things is was harder.

They installed a some sort of prefabricated shower unit, that has a very shallow tray, mostly the lip is the frame of the door IIRC. Drainage is via some sort of pump arrangement that sucks the water up from the tray.

Re the window. In our old house, I ended up with a small window where the shower was going. Left the external window in place. I clad the reveal in Aquapanel, tiled it and then made a little frame of aluminium inside that, which I then glazed with a bit of frosted perspex. All sealed with of course.

Sometime later I made a stained glass panel to go in the hole and fixed that in place against another aluminium frame, which looked good

Reply to
Chris French

actually if I were strapped for cash and the need was great, Id build a ramp, and cover it with non slip, and have a standard shower cubicle and either make a tray out of tiled ply, or cast concrete, with no lip.

Or indeed use nonslip rubber matting in its entirety stretched and glued to the shower floor.

Reply to
The Natural Philosopher

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