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A close-up view of an L style silicone water barrier height 3/5 cm used as a shower threshold.
A silicone shower threshold water barrier strip is shown in various applications including a bathroom door, washbasin, cabine
Installation steps showing how to install a silicone shower threshold water barrier strip on a ground surface.
Flexible silicone shower threshold water barrier strip demonstrating various shapes like straight, U-shape, L-shape, Z-shape,
Silicone shower threshold water barrier strip for sealing gaps and preventing water entry.
Silicone shower threshold water barrier strip in black and white colors for house improvement
A black silicone shower threshold water barrier strip shown with dimensions of 3cm by 1.6cm.
A gray silicone shower threshold water barrier strip shown in profile with various dimensions marked.
A transparent silicone shower threshold water barrier strip with various dimensions shown for house improvement.
White silicone shower threshold water barrier strip showing various dimensions for house improvement.
Gray silicone shower threshold water barrier strip shown in profile view.
White silicone shower threshold water barrier strip shown in a profile view.
A transparent silicone shower threshold water barrier strip with various dimensions marked.
A black silicone shower threshold water barrier strip shown in a profile view with dimension markings.
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Silicone Shower Threshold Water Barrier Strip

Regular price €19,99 Sale price €16,99 – €71,99

Why customers love it

Keep water where it belongs, not on your floor

This flexible silicone water barrier strip creates a clean separation between wet and dry areas in showers, kitchens, and laundry rooms. Its L-shaped profile conforms to floor surfaces for a tight, reliable seal.

  • Flexible yet sturdy L-shaped profile conforms to floor surfaces for a tight seal
  • Easy to install: clean the surface, peel off the backing, and press into place
  • Helps prevent water from spilling onto floors, reducing slip hazards and water damage
  • Works well on windowsills, under sinks, around stoves, and along countertop edges
  • Available in multiple heights and lengths to suit different thresholds and gaps
A close-up view of an L style silicone water barrier height 3/5 cm used as a shower threshold.

Why you'll love it

Stop spills before they start

Prevents water from spilling onto floors, reducing slip hazards and water damage.

Simple peel-and-stick setup

Easy to install: clean the surface, peel off the backing, and press into place.

Tight seal on any surface

Flexible yet sturdy L-shaped profile conforms to floor surfaces for a tight seal.

Versatile around the home

Works well on windowsills, under sinks, around stoves, and along countertop edges.

Setup

Install in three simple steps

No electrician, no wiring, no fuss.

  1. Clean the surface

    Make sure the area is clean and dry before applying the strip.

  2. Peel off the backing

    Remove the protective backing from the adhesive side of the strip.

  3. Press into place

    Position the strip along the threshold or gap and press firmly to secure it.

Specs

The details that matter

Built to last outdoors, season after season.

Height
3cm, 5cm
Length
50cm, 100cm, 150cm, 200cm, 250cm, 300cm
Material
Silicone rubber
Profile
L-shaped
Color
Grey, Black, White, Clear

Comparison

Why choose this water barrier strip

Not all products in this category are built the same.

Feature
SmartPicksTidy
Typical alternative
Height options
Available in 3cm and 5cm heights
Typically only one fixed height
Length options
Available from 50cm to 300cm
Usually a single fixed length
Material
Waterproof silicone rubber
Often less flexible plastic or foam
Installation
Peel-and-stick adhesive backing
May require caulk or additional tools

Our worry-free shopping promise

If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.

Frequently asked questions

Everything you might want to know before you order.

What heights is this water barrier strip available in?

This strip is available in 3cm and 5cm heights to suit different thresholds and gaps.

What lengths can I choose from?

You can choose from 50cm, 100cm, 150cm, 200cm, 250cm, or 300cm lengths to fit various gaps.

What material is the strip made of?

It is made of durable, waterproof silicone rubber that is safe for everyday use.

How do I install the strip?

Installation is easy: clean the surface, peel off the backing, and press the strip into place.

Where can I use this water barrier?

It works well on windowsills, under sinks, around stoves, and along countertop edges, as well as in showers and laundry rooms.

Shipping & returns

Shipping

  • Delivers to Germany (based on your selected country/region).
  • Estimated delivery: 3–15 business days after dispatch.
  • Shipping cost: Free.

Returns

You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.

Shipping policyReturn & refund policy

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  • 5 stars: 2 (40%)
  • 4 stars: 3 (60%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
C
Claudie Rosenbaum

Silicone Shower Threshold Water Barrier Strip

Claudie Rosenbaum review photo Claudie Rosenbaum review photo
W
Wally Nienow

I made a mistake, ordering the default length (50cm) instead of the value i need, but that’s my fault. Material ok. But the double-sided adhesive tape doesn’t stick at many places along the item, because the protective film went away due to the fact that the item has been excessively bended in its packaging.

Wally Nienow review photo Wally Nienow review photo Wally Nienow review photo
M
Melodee Kessler

It's nice. More than i expected but i haven't used it yet

Melodee Kessler review photo
C
Crystle Cassin

It seems like a good product yet to try. It definitely has quality silicone material.

Crystle Cassin review photo Crystle Cassin review photo
W
Wilson Nikolaus

As described but came folded, so i hope that outside of the package it will straighten up