How do I choose the correct slope and material for a walk in shower tray?

Alright, so you're asking about picking the right slope and material for a walk-in shower tray? Blimey, that takes me back. Let me tell you about my mate Dave’s disaster in Clapham last spring. He went for this gorgeous, matte black stone-resin tray because it looked dead posh in the showroom. But the slope was practically non-existent, I swear. Water pooled near the door, and within months, he had this grim, musty smell creeping into the bathroom. Tore the whole thing out eventually. What a nightmare.

Honestly, the slope is everything. You want the water to run toward the drain like it’s late for the Tube, not linger about like a tourist on Westminster Bridge. I always say, aim for a fall of about 1:60 to 1:80. That’s roughly 15-20mm per metre. Sounds tiny, but trust me, it makes all the difference. I learned that the hard way in my first flat in Brixton—water everywhere after every shower, my poor towels were constantly soggy! Felt like I was mopping up a swimming pool, not drying off.

Now, materials… oh, this is where it gets personal. I’m a sucker for solid surface trays, like Corian or similar acrylic stuff. Why? Warm underfoot, honestly. No nasty shock on a winter morning. And they’re seamless if you get a good installer—less grout, less mould. But they can scratch if you drop something heavy, learnt that when my ceramic shampoo bottle took a dive last year. Left a right little mark.

Stone resin’s another favourite—feels luxurious, looks the part, and it’s sturdy. But for heaven’s sake, avoid very dark colours unless you’re committed to daily squeegeeing. Every water spot shows up, drives you mad! Ceramic or porcelain? Classic, easy to clean, but blimey, they’re cold and slippery when wet. I nearly did the splits once in a client’s showroom in Chelsea. Not a graceful moment.

Then there’s the underlay, the support—don’t even get me started on wobbly installations. I remember a job in Kensington where the subfloor wasn’t level… the whole tray rocked when you stepped in. Felt like being on a boat! Had to redo the whole bloomin’ thing.

At the end of the day, think about your daily routine. Do you want low maintenance? Go for non-porous. Worried about slipping? Textured finishes are your friend. And always, always test the slope with a watering can before the tiles go in. Seriously, it’s a trick I picked up from an old plumber in Camden—saved me more than once.

So yeah, slope for function, material for feel. Get that combo right, and your shower tray isn’t just a tray—it’s the start of a proper good morning.

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