The superior alternative to bentonite swellable strips

POLYBAR+

Polybar+ swellable strips from Bekina® BeSealed are a powerful alternative to bentonite, which, like Bentobar+, make your construction joints completely waterproof. 

Why choose Polybar+? 

  • Very high expansion capacity 
  • High stability after multiple wet-dry cycles 
  • Very user-friendly 
  • Minimum weight and maximum elasticity 
  • Successfully tested up to a pressure of 8 bar 

The swelling capacity and geometry of the Polybar+ swellable strips are fully customizable. This allows us to develop and offer the best solution for every application. 

Curious about how our swelling products work? Read more about: the active sealing technology

Read the specifications per variant below. 

Polybar+ Standard

Our variants

Polybar+ is available in the standard version as well as other variants. Polybar+ Salt is for use in seawater or contaminated water. Polybar+ Superswell is for use in water with very high salt concentrations. Polybar+ RP offers rain protection. 

Polybar+

Hydrophilic swellable strips

Bekina BeSealed Polybar+ standard
  • Dimensions: 20x10mm | 20x25mm | 20x20mm | 30x30mm | 50x5mm | 100x5mm 
  • Standard colour: blue 
  • Fixation: glue
  • NB: Polybar+ and all variants must never be nailed! 

Polybar+ Salt

Swellable strips for use in seawater or contaminated water

Bekina BeSealed Polybar+ Salt

Polybar+ Salt is the saltwater variant of Polybar+. This swellable strip works excellently in seawater (up to 3% salt) and in contaminated water (e.g. with manure and mud).  

  • Dimensions: 20x5mm | 20x10mm | 20x20mm | 30x30mm | 50x5mm | 100x5mm 
  • Standard colour: yellow 
  • Fixation: glue

POLYBAR+ Superswell

Swellable strips for use in water with extremely high salt concentrations (up to 10%)

Bekina BeSealed Polybar+ Superswell

The Polybar+ Superswell is a lightweight Polybar+ swellable strip with a high expansion capacity, specially developed for applications in waters and areas with an extremely high salt content (salt concentrations up to 10%). For example, this product is often used in desalination plants. 

  • Dimensions: 20x5mm | 20x10mm | 20x20mm | 30x30mm | 50x5mm | 100x5mm 
  • Standard colour: orange 
  • Fixation: glue

POLYBAR+ RP

Swellable strips with rain protection

Bekina BeSealed Polybar+ RP

The Polybar+ RP is a Polybar+ swellable strip that swells with a delay upon contact with rain or moisture. For the first two days, Polybar+ RP swells up to 4x less than the standard Polybar+. However, the Polybar+ RP also develops the desired expansion pressure in concrete water. Recommended for construction joints in concrete, reinforced concrete, steel and pipelines.  

  • Dimensions: 20x5mm  
  • Standard colour: black 
  • Fixation: glue

Expansion capacities Polybar+

Polybar+ standard 20x5mm

Expansion capacity Polybar+

Bekina BeSealed chart Polybar Standard
Polybar+ Salt 20x5mm

Expansion capacity Polybar+ Salt

Bekina BeSealed chart Polybar Salt
Polybar+ Superswell 20x5mm

Expansion capacity Polybar+ Superswell

Bekina BeSealed Swell chart Polybar Superswell
Polybar+ RP 20x5mm

Expansion capacity Polybar+ RP

Bekina BeSealed Polybar chart RP

How do I install the Polybar+?

Watch the Polybar+ installation video below.