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.

Cross-section view of the S456DTL 4-6mm glass bottom seal installed, highlighting the transparent U-channel grip and extended side fins that create a zero-gap barrier against water leakage.S456DTL 4–6mm glass shower door bottom seal dimensions for 0–3mm bottom gaps

4–6mm Glass Shower Door Bottom Seal with Side Fin Small Gap Seal S456DTL

Regular price £14.88
Regular price £20.88 Sale price £14.88
4-6mm glass shower door bottom seal with double fins for 6-9mm gapVB456 4-6mm glass shower door bottom seal dimensions with 9mm flexible fins and 1000mm length

4–6mm Glass Double-Fin Shower Door Bottom Seal 9mm Fin VB456

Regular price £14.88
Regular price £43.19 Sale price £14.88

Bubble Shower Door Seal for 4–6mm Glass – 6mm Gap D456S7

Regular price From £14.88
Regular price £21.00 Sale price From £14.88

2 total reviews

Large Bubble Shower Door Seal for 4–10mm Glass Up to 11mm Gap D410S12

Regular price £29.99
Sale price £29.99
Profile view of the DA456S15 hybrid seal fitted on 4-6mm glass, illustrating the combination of a soft compressible bulb for sealing and a rigid extended fin for water diversion, designed to bridge gaps up to 15mm in bottom or side configurations.Macro close-up of the DA456S15 transparent body, highlighting the high-gloss finish and the robust structural integration between the soft bulb and the guiding fin, engineered to maintain shape integrity under significant compression.

Bottom Bubble Shower Door Seal for 4–6mm Glass Up to 15mm Gap DA456S15

Regular price £20.39
Regular price £35.99 Sale price £20.39
V456S8 shower door bottom seal for 4–6mm glass with 8mm flexible finV456S8 shower door bottom seal showing correct wet-side and dry-side installation direction

Shower Door Bottom Seal Strip for 4–6mm Glass 8mm Fin V456S8

Regular price £14.88
Regular price £20.88 Sale price £14.88
V456S12 shower door bottom seal for 4–6mm glass with 12mm flexible finV456S12 shower door bottom seal dimensions showing 4–6mm glass fit and 12mm fin

Shower Door Bottom Seal Strip for 4–6mm Glass – 12mm Fin V456S12

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

4 total reviews

V456S16 shower door bottom seal for 4-6mm glass with 16mm flexible finV456S16 shower door bottom seal profile dimensions with 16mm fin

4–6mm Glass Shower Door Bottom Seal 16mm Fin V456S16

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

5 total reviews

20mm fin shower door bottom seal for 4-6mm glass, suitable for 17-20mm gapV456S20 shower door bottom seal profile dimensions with 20mm fin

4–6mm Glass Shower Door Bottom Seal 20mm Fin V456S20

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

1 total reviews

4-6mm glass shower door bottom seal with 23mm fin for 20-23mm gapV456S2023 shower door bottom seal size guide with 23mm soft fin

4–6mm Glass Shower Door Bottom Seal 23mm Fin V456S2023

Regular price £14.88
Regular price £20.88 Sale price £14.88
VC456 shower door bottom seal fitted to 4-6mm glass for an approximate 18mm finVC456 shower door bottom seal dimensions with 18mm offset fin for 4mm, 5mm and 6mm glass

4–6mm Glass Offset Shower Door Bottom Seal 18mm Fin VC456

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

1 total reviews

Shower door bottom seal for 4mm, 5mm and 6mm glass with 17mm sealing finProfile dimensions of VD456 shower door bottom seal for 4mm to 6mm glass

For 4-6mm Glass Shower Door Bottom Seal 17mm Fin VD456

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

1 total reviews

self adhesive shower door sweep for sliding glass doorTechnical dimension diagram of the S312DTL7 strip, specifying the adhesive contact width, material thickness, and fin length intended to provide coverage while accommodating various bottom hardware positions.

Adhesive Shower Door Bottom Side Fin Seal Up to 25mm Gap S312DTL7

Regular price £14.88
Regular price £20.88 Sale price £14.88
HH456 H shape vertical shower door seal for 4-6mm glass panelsHH456 shower seal dimensions showing rigid body and flexible fins

H Shape Vertical Shower Door Seal – 4-6mm Glass, 3-6mm Gap HH456

Regular price £29.99
Regular price £35.99 Sale price £29.99
H456S8 H-shape vertical shower door seal for 4–6mm glass and 3–6mm gaps8mm fin shower door seal for 4–6mm glass with 3–6mm gap coverage

4–6mm H-Shape Vertical Shower Door Seal – 8mm Fin H456S8

Regular price £29.99
Regular price £35.99 Sale price £29.99
H456S15 H-shape vertical shower door seal for 4–6mm glass and 3–13mm side gaps15mm fin shower door seal for wider 3–13mm vertical side gaps

4–6mm Glass H-Shape Vertical Shower Door Seal – 15mm Fin H456S15

Regular price £29.99
Regular price £35.99 Sale price £29.99

2 total reviews

H456S20 clear shower door seal for 4-6mm glass and 3-18mm glass-to-glass gapsH456S20 shower door seal size diagram showing 20mm soft fin for 3-18mm gaps

4–6mm Glass H-Shape Vertical Shower Door Seal – 20mm Fin H456S20

Regular price £29.99
Regular price £35.99 Sale price £29.99
H456S2025 clear shower door seal for 4-6mm glass and 3-23mm glass-to-glass gapsH456S2025 shower door seal size diagram showing 25mm soft fin for 3-23mm gaps

4–6mm Glass H-Shape Vertical Shower Door Seal – 25mm Fin H456S2025

Regular price £29.99
Regular price £35.99 Sale price £29.99

6-8mm Glass 90° Degree Magnetic Shower Door Seal M68A2M

Regular price From £3.48
Regular price £4.20 Sale price From £3.48
M68C2M 135 degree magnetic shower door seal fitted on glassM68C2M white PVC magnetic shower seal pair for curved doors

135° Magnetic Shower Door Seal Pair for 6–8mm Glass 19mm Gap M68C2M

Regular price £29.88
Regular price £32.70 Sale price £29.88
ME456180 magnetic shower door seal pair for 4–6mm glass with a straight 180-degree closure and 5–8mm gapME456180 magnetic shower door seal dimensions for 4–6mm glass and an approximate 5–8mm closing gap

4-6mm Glass 180° Magnetic Shower Door Seal 5–8mm Gap ME456180

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

6-8mm 180° Sliding Magnetic Shower Door Seal up to 19mm Gap M68B2M

Regular price From £3.48
Regular price £4.20 Sale price From £3.48
M68C2M 180-degree sliding magnetic shower door seal for 6–8mm glass and gaps up to 22mmM68C2M sliding magnetic shower door seal dimensions for 6–8mm glass with a maximum closing gap of approximately 22mm

6-8mm 180° Sliding Magnetic Shower Door Seal Up to 22mm Gap M68C2M

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

180° Magnetic Shower Door Seal for Pivot & Hinged Shower Doors, 6-8mm Glass, 22mm Gap, M68A2M

Regular price From £3.48
Regular price £4.20 Sale price From £3.48

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.