6mm Shower Door Seals

6mm Shower Door Seals for Standard UK Shower Screens

Find replacement 6mm shower door seals for standard UK shower doors, bath screens and frameless shower panels. Many SIMBA profiles use a 4–6mm push-fit channel, making them suitable for 6mm glass when the profile, fitting position and gap size are correct.

Start by choosing where the seal fits, then measure the gap you need to cover. If your glass is clearly thicker than 6mm, check the thicker-glass seal range before ordering.

Bottom seals For water leaking under the shower door or bath screen.
Vertical seals For side gaps between glass, wall, frame or fixed panel.
Magnetic seals For glass-to-glass closure on pivot or corner doors.
Curved seals For quadrant enclosures and P-shaped bath screens.

Many seals in this collection fit 4–6mm glass, which is commonly used for 6mm shower screens. Always check the product title and gap size before ordering.

Magnetic Shower Door Seal Set for 4-6mm and 8-10mm Glass 26mm Gap MF410

Regular price £29.88
Regular price £32.70 Sale price £29.88
Technical cross-section of SIMBA RY3075 universal seal installed on a 180-degree inline sliding shower door overlap.SIMBA RY3075 multi-angle profile applied as a vertical seal on a 90-degree hinged shower enclosure door.

6-8mm Flexible Magnetic Shower Door Seal Up to 35mm Gap RY3075

Regular price £29.88
Regular price £32.70 Sale price £29.88
F456S8 F shape shower seal for 4–6mm glass with fixed 8mm flexible finF456S8 F shaped shower door seal dimensions showing 8mm fin and 4–6mm glass fit

F Shape Shower Door Seal 8mm Fin 4mm-6mm Glass F456S8

Regular price £32.70
Regular price £35.99 Sale price £32.70
F456S12 F shape shower seal for 4–6mm glass with 12mm flexible finF456S12 F shaped shower door seal dimensions showing 12mm fin and 4–6mm glass fit

F Shape Shower Door Seal 12mm Fin 4mm-6mm Glass F456S12

Regular price £32.70
Regular price £35.99 Sale price £32.70

1 total reviews

F456S15 F shape shower seal for 4–6mm glass with 15mm flexible finF456S15 F shaped shower door seal dimensions showing 15mm fin and 4–6mm glass fit

F Shape Shower Door Seal 15mm Fin 4mm-6mm Glass F456S15

Regular price £32.70
Regular price £35.99 Sale price £32.70

3 total reviews

F456S20 F shape shower seal for 4–6mm glass with 20mm flexible finF456S20 F shaped shower door seal dimensions showing 20mm fin and 4–6mm glass fit

F Shape Shower Door Seal 20mm Fin 4mm-6mm Glass F456S20

Regular price £32.70
Regular price £35.99 Sale price £32.70

3 total reviews

F456S2535 F shape shower seal for 4–6mm glass with trim-to-size 25mm, 30mm and 35mm finsF456S2535 F shaped shower door seal dimensions showing 4–6mm glass fit and 25mm, 30mm, 35mm fin options

F Shape Shower Door Seal 25/30/35mm Fin 4mm-6mm Glass F456S2535

Regular price £32.70
Regular price £35.99 Sale price £32.70

3 total reviews

4–6mm Glass Sliding Door F-Shape Seal FD456S10154–6mm Glass Sliding Door F-Shape Seal FD456S1015

4–6mm Glass Sliding Door F-Shape Seal FD456S1015

Regular price £32.70
Regular price £35.99 Sale price £32.70
4–6mm Glass F-Type Sliding Screen Seal FD456S20254–6mm Glass F-Type Sliding Screen Seal FD456S2025

4–6mm Glass F-Type Sliding Screen Seal FD456S2025

Regular price £32.70
Regular price £35.99 Sale price £32.70
CO456 90 degree shower screen corner seal for two fixed 4-6mm glass panelsCO456 corner seal dimensions for 4-6mm fixed shower glass meeting at 90 degrees

4-6mm Glass 90° Shower Screen Corner Seal CO456

Regular price £29.99
Regular price £43.19 Sale price £29.99
135A68S20 Y shaped shower door seal for 6-8mm glass with 15mm fin135A68S20 shower door seal size diagram for 6-8mm glass and 15mm fin

6–8mm 135° Y-Shape Vertical Shower Door Seal – 3–18mm Gap 135A68S20

Regular price £29.99
Regular price £38.70 Sale price £29.99
D06 bi-fold shower door seal for 4-6mm glass and 8-40mm glass-to-glass gapsBi-fold Shower Door Seal 4-6mm Glass Up to 40mm Gap D06

Bi-fold Shower Door Seal 4-6mm Glass Up to 40mm Gap D06

Regular price £29.99
Regular price £38.70 Sale price £29.99
V456S8CU curved shower screen bottom seal for 4–6mm glass with 8mm flexible finV456S8CU curved shower screen seal measuring guide for checking glass curve before ordering

Curved Bottom Shower Screen Seal for 4–6mm Glass 8mm Fin V456S8CU

Regular price £19.80
Regular price Sale price £19.80
V456S12CU curved shower door bottom seal for 4–6mm glass with 12mm flexible finV456S12CU curved shower screen seal dimension diagram with 12mm fin

Curved Bottom Shower Screen Seal for 4–6mm Glass 12mm Fin V456S12CU

Regular price £19.80
Regular price £31.19 Sale price £19.80

5 total reviews

V456S16CU pre-curved shower door bottom seal for 4–6mm glass with 16mm flexible finV456S16CU curved shower seal profile showing 4–6mm glass fit and 16mm flexible fin

Curved Bottom Shower Screen Seal for 4–6mm Glass 16mm Fin V456S16CU

Regular price £19.80
Regular price £31.19 Sale price £19.80

4 total reviews

V456S20CU pre-curved shower door bottom seal for 4–6mm glass with 20mm flexible finV456S20CU curved shower seal profile showing 4–6mm glass fit and 20mm flexible fin

Curved Bottom Shower Screen Seal for 4–6mm Glass 20mm Fin V456S20CU

Regular price £19.80
Regular price £31.19 Sale price £19.80

3 total reviews

V456S2023CU pre-curved shower door bottom seal for 4–6mm glass with 23mm flexible finV456S2023CU curved shower seal profile showing 4–6mm glass fit and 23mm flexible fin

Curved Bottom Shower Screen Seal for 4–6mm Glass 23mm Fin V456S23CU

Regular price £19.80
Regular price £31.19 Sale price £19.80

3 total reviews

V312S1235F self-adhesive curved bath screen seal trim for 12-35mm gapUniversal Adhesive Shower Door Bottom Seal 8–35mm Gap V312S1235F

Universal Adhesive Shower Door Bottom Seal 8–35mm Gap V312S1235F

Regular price £14.88
Regular price £20.88 Sale price £14.88

135° Vertical Shower Door Seal P045DJ

Regular price £29.99
Regular price £43.19 Sale price £29.99

135° Shower Door Side Seal for Angled Glass Panels P045SJ

Regular price £29.99
Regular price £43.19 Sale price £29.99

U-Shape Shower Screen Edge Protector 4-6mm Glass No-gap UH410

Regular price £14.88
Regular price £20.88 Sale price £14.88
RY0517 4-6mm glass shower door bottom seal with 6mm fin dimensionsRY0517 clear shower door bottom seal profile showing side water-guiding fin

4-6mm Glass Shower Door Bottom Seal 6mm Fin RY0517

Regular price £14.88
Regular price £20.88 Sale price £14.88
VC8 shower door bottom seal for 6-8mm glass with 16mm offset finVC8 offset fin shower door seal dimensions for 6-8mm glass

6-8mm Glass Offset Edge Shower Bottom Seal 16mm Fin VC8

Regular price £14.88
Regular price £20.88 Sale price £14.88
MH410 framed magnetic shower door seal profile for replacement applicationsMH410 magnetic shower seal showing 4-6mm and 8-10mm glass fit options

Magnetic Shower Door Seal Set For 4–6mm & 8–10mm Glass MH410

Regular price £29.88
Regular price £32.70 Sale price £29.88

6mm Shower Door Seal FAQ

Common questions about choosing replacement shower door seals for 6mm glass, standard UK shower doors and 4–6mm compatible profiles.

Is 6mm glass common for UK shower doors?

Yes. 6mm glass is commonly used on many UK shower doors, bath screens and frameless shower panels. It sits at the upper end of the 4–6mm replacement shower seal range.

If your glass measures around 6mm, choose products marked for 4–6mm glass, then check the seal profile, fitting position and gap size before ordering.

Can a 4–6mm shower seal fit 6mm glass?

Yes, if the product is designed for 4–6mm glass. Many push-fit shower door seals are made to grip this range, including 6mm glass.

The fit also depends on the seal shape and where it is installed, such as the bottom edge, side edge, curved screen or magnetic closing edge.

Will a 4–6mm shower seal be too tight on 6mm glass?

It may feel firmer than on thinner glass because 6mm sits at the upper end of the 4–6mm range. This is normal for many push-fit seals.

If it is very difficult to fit, check that the glass edge is clean and that you have measured the glass itself, not the old seal, limescale build-up or a raised edge.

How do I choose the right 6mm shower door seal?

First choose by fitting position. Use a bottom seal for water leaking under the door, a vertical seal for side gaps, a magnetic seal for glass-to-glass closure, or a curved seal for quadrant and P-shaped screens.

Then measure the gap the seal needs to cover and compare your old seal profile with the product images before ordering.

Which 6mm shower door seal stops water leaking at the bottom?

For water leaking under a 6mm shower door, choose a bottom shower seal with a soft fin or drip rail.

Measure the gap between the bottom of the glass and the shower tray or bath rim, then choose the closest fin length, such as 12mm, 16mm, 20mm or 23mm.

What if my shower glass measures more than 6mm?

If your glass is clearly thicker than 6mm, do not force a 4–6mm seal onto it. Thicker glass usually needs a different channel size.

If your measurement is closer to 8mm or 10mm, compare our 8mm shower door seals or 10mm shower door seals before ordering.

Can I use an 8mm shower seal on 6mm glass?

Usually no. An 8mm shower seal is likely to have a wider channel and may not grip securely on 6mm glass.

If your glass measures around 6mm, choose a product marked for 4–6mm glass unless the product description clearly says otherwise.

Do 6mm shower doors need magnetic seals?

Only if the door closes against another glass panel and uses magnetic contact to stay shut. Magnetic shower door seals are used for pivot, corner and some bi-fold shower doors.

If your issue is water leaking under the door, a magnetic seal will not solve it. You will need a bottom seal with a fin or drip rail instead.

Do I need glue or silicone for a 6mm shower door seal?

Most push-fit 6mm shower door seals do not need glue or silicone. Clean and dry the glass edge before fitting so the channel can grip properly.

Only use adhesive if the product is designed as a self-adhesive shower seal.

Tip: 6mm glass is the upper end of the 4–6mm seal range. If your glass is clearly thicker than 6mm, check the 8mm or 10mm range instead of forcing a 4–6mm seal to fit.