Tapered Shower Seal - 4-6mm Glass, Fin 15mm to 5mm, 900mm

What this seal is

A clear tapered seal for shower and bath screens with 4–6mm glass, made for the awkward situation where the gap under the glass is uneven. The rigid PVC U-section — about 10mm tall, with a 4mm mouth widening to a 6mm base — pushes onto the edge of the glass with no adhesive, and the soft flexible fin below it tapers in height from 15mm down to 5mm along the 900mm length, following the slope as the gap narrows.

It is designed for the bottom edge of the glass, where a tray, bath or floor runs out of level and a standard straight-finned seal would leave one end gaping. Please refer to the product diagrams for the exact profile.

Which tapered seal do I need?

Measure the gap at both ends of the glass. In most cases we recommend a seal with a fin 2–5mm bigger than the gap you need to seal, so the fin stays compressed against the tray along the whole run. Our tapered seals come in a number of different sizes — if this 15mm-to-5mm taper doesn't match your measurements, ask us about the other sizes in the range.

Specification

Why fit this seal

Seals an uneven gap properly. When the tray or bath runs out of level, a straight seal either jams at one end or leaks at the other. The tapered fin follows the slope so the whole bottom edge stays sealed.

No adhesive, no mess. The channel is designed to comfortably grip 4–6mm glass on its own — it pushes straight on and can be removed without leaving residue.

Protects floors and fittings. Closing the gap under the glass stops water pooling outside the shower and damaging flooring, skirting and plaster.

Fitting in three steps

1. Measure. Check your glass is 4–6mm thick and measure the gap at both ends of the bottom edge.

2. Choose. Confirm the 15mm-to-5mm taper covers your measurements, allowing a fin 2–5mm bigger than the gap. Remember that cutting the seal down shortens the taper range.

3. Fit. Trim to length if needed, then push the channel onto the bottom edge of the glass from one end and work your way along, with the deep 15mm end of the fin over the wider end of the gap. Never slide the seal along the glass — this can damage it.

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 taper before you order — usually the same working day. Got curved glass? Contact us and we may be able to quote to curve this seal or a similar seal to your measurements — we'll send you our simple measuring guide.