Threshold Water Barriers

The shower threshold seal prevents water from running out of the shower door sweep. It’s the perfect complement to the bottom seal, ensuring a tight and effective barrier.

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4 products

Clear Threshold Seal D510Clear Threshold Seal D510

Clear Threshold Seal D510

£14.88
£20.88 £14.88
Clear Adhesive Curved Threshold Seal PV29Clear Adhesive Curved Threshold Seal PV29

Clear Adhesive Curved Threshold Seal PV29

£14.88
£20.88 £14.88
Best T Shape Shower Door Seal for Bottom & Threshold RY3463t style shower door bottom seal

Best T Shape Shower Door Seal for Bottom & Threshold RY3463

From £3.48
£20.88 From £3.48
For Fixed Glazing Multi-purpose Bottom Vertical Seal RY2652For Fixed Glazing Multi-purpose Bottom Vertical Seal RY2652

For Fixed Glazing Multi-purpose Bottom Vertical Seal RY2652

From £14.88
£26.70 From £14.88
Threshold water barrier seals for walk-in showers

What is Shower Threshold Seals？

The threshold seal is a type of threshold that works perfectly with shower doors bottom seal.

It’s transparent, sleek, and enhances the overall aesthetic of your shower, making it the ideal choice for shower thresholds.

It provides a seamless and effective solution to prevent water leakage, offering both style and functionality.

Why Do You Need To Use Threshold Seals?

If you’re only using a shower bottom seal on your shower door or screen, it might not be enough to stop leaks—especially under strong water pressure.

That’s why it works best when paired with a shower door threshold seal. Together, they create a tight barrier that keeps water where it should be – inside the shower.

No more puddles on your bathroom floor!

And here’s the good news: when you buy a bottom seal from SIMBA, we’ll include a free threshold strip (just trim it to fit). Easy, effective, and no extra cost.
how to cut threshold

FAQ About Threshold Seals

Yes, you absolutely can. Just make sure to use the threshold seal together with a bottom seal — using the threshold on its own usually isn’t enough to stop water leaking.

Good mate. Bottom seal.

Whenever you buy a bottom seal from SIMBA, you get a free threshold strip.
UK Best-Fit 6mm Glass Gasket For Bottom Of Shower Door - Zero Gap (S6DTL)UK Best-Fit 6mm Glass Gasket For Bottom Of Shower Door - Zero Gap (S6DTL)

UK Best-Fit 6mm Glass Gasket For Bottom Of Shower Door - Zero Gap (S6DTL)

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4-6mm Glass Bulb Seals Gap 7mm D456S74-6mm Glass Bulb Seals Gap 7mm D456S7

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4-6mm Glass Bulb Seals Gap 12mm D456S124-6mm Glass Bulb Seals Gap 12mm D456S12

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Shower Door Vertical Bubble Seal & Fin 4-6mm Glass Gap 15mm DA456S15Shower Door Vertical Bubble Seal & Fin 4-6mm Glass Gap 15mm DA456S15

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4mm-6mm Bottom Seal Gap 9-12mm V456S124mm-6mm Bottom Seal Gap 9-12mm V456S12

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4mm-6mm Bottom Seal Gap 13-16mm V456S164mm-6mm Bottom Seal Gap 13-16mm V456S16

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4mm-6mm Bottom Seal Gap 17-20mm V456S204mm-6mm Bottom Seal Gap 17-20mm V456S20

4mm-6mm Bottom Seal Gap 17-20mm V456S20

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4-6mm Walk-In Shower door bottom seal Gap 20-23mm V456S2023 4-6mm Walk-In Shower door bottom seal Gap 20-23mm V456S2023

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