Vertical Shower Seal - 6-8mm Glass, Fins 8mm to 35mm

What this seal is

A clear vertical fin seal for shower screens and doors with 6–8mm glass. The rigid PVC channel pushes onto the edge of the glass — no adhesive, no screws — and the flexible clear fin closes the gap between your door and the adjacent wall, tiles or fixed panel so water stays in the shower.

With five fin depths to choose from, one profile covers gaps from just 3mm right up to 35mm. It's most often fitted vertically on the upright edge of the glass, but works just as well horizontally along the bottom of a bath screen or shower door.

Choose the right fin depth

Measure the gap you need to close, then pick the fin depth that covers it:

If your gap sits between two fin sizes, choose the larger fin — the flexible blade compresses to fit and gives a tighter seal.

Specification

Why fit this seal

Stops leaks instantly. A worn, discoloured or missing vertical seal lets water pool outside the shower; a fresh one takes minutes to fit and protects flooring, skirting and plaster.

No adhesive, no mess. The channel grips 6–8mm glass on its own — it slides straight on and comes off without residue.

One profile, five fin sizes. From a 3mm sliver to a 35mm gap, the same clip-on channel with the right fin closes it neatly, and the clear PVC is barely visible once fitted.

Cut to fit at home. Order the next length up and trim it down, or use our custom cutting service and it arrives ready to fit.

Fitting in three steps

1. Measure. Check your glass is 6–8mm thick, measure the door edge you're sealing, and measure the gap you need to close.

2. Choose. Pick the fin depth that covers your gap from the table above and the nearest length at or above your measurement.

3. Fit. Trim to length if needed, then push the channel onto the edge of the glass so the fin faces the wall, tiles or fixed panel.

Not sure it fits?

Email a photo of your old seal or your measurements to sales@industrial-polymers.co.uk and our UK team will confirm the right profile, fin depth and length before you order — usually the same working day. Got curved glass? We can curve this seal to your measurements — just get in touch and we'll send you our simple measuring guide.