Bentonite swellable strips for waterproofing construction joints

Bentobar+

Bentobar+ from Bekina® BeSealed is a bentonite swellable strip. Bentonite swellable strips are well established in the concrete and construction industry as an efficient seal for construction joints. Bentobar+ makes your construction joints completely waterproof. 

Why choose Bentobar+? 

  • Sold worldwide for over 25 years 
  • Stable and durable quality 
  • Less susceptible to washing out compared to classic bentonite seals 
  • Perfect sealing after repeated wet-dry cycles due to the high rubber content 

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

Read the specifications per variant below.  

Bentobar+ standard on roll
Product data sheet Bentobar+ (incl. variant)

Our variants

Bentobar+ is available in the standard version and in a variant for use in seawater or contaminated water (Bentobar+ Salt). 

Bentobar+

Bentonite swellable strips

Bentobar+ Standard version
  • Dimensions: 20x10mm | 20x25mm  
  • Standard colour: black or green 
  • Fixation: glue or nails 

Bentobar+ Salt

Bentonite swellable strips for seawater and contaminated water

Bentobar + Salt version

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

  • Dimensions: 20x25mm 
  • Standard colour: red 
  • Fixation: glue or nails 

Bentobar+ expansion capacities

Bentobar+ standard 20x25mm

Expansion capacity Bentobar+

Bekina BeSealed Graph Bentobar+ standard
Bentobar+ salt 20x25mm

Expansion capacity Bentobar+ Salt

Bekina Besealed Bentobar+ Salt chart

How do I install the Bentobar+?

Watch the Bentobar+ installation video here.