Sika BentoShield Paste

Non Hazardous
A single component mastic consisting of polymer modified natural sodium bentonite and further polymer additives.
Available in 15 Litres
£205.49 £171.24
In stock
Product Description

Sika® BentoShield® Paste is a single component mastic consisting of polymer modified natural sodium bentonite and further polymer additives. Trowel applied and thixotropic in nature. BBA Certificate 16/5342 for waterproofing structures.

BBA Approval Logo

Best Uses

Sika® BentoShield® Paste is used to seal Sika BentoShield Max LM membrane around vertical and horizontal penetrations as well as vertial and horizontal protrusions, e.g. metal anchors and metal conductors. In addition Sika Bentoshield Paste is also used to seal ground level termination details, create secondary fillets at wall / slab junctions, correct minor cracks in the substrate prior to the membrane application and seal the vertical laps of membrane applications.


All dirt, contaminates and debris must be removed from the area of application. Product must not be applied into standing water. Excessive water addition or overdosing may cause bleeding or segregation.

Frost: If frozen and / or if precipitation has occurred, Sika BentoShield® Paste may be used after thawing slowly at room temperature followed by intensive remixing.

Characteristics / Advantages

  • Immediate activation, does not require to be mixed with water.
  • Can be applied by trowel, putty knife or hand.
  • Continuous waterproofing paste for irregular detailing
  • Contains no bitumen or tar.
  • Can be applied over metal & concrete surfaces
Technical Details


  • BBA Certificate 16/5342 for waterproofing structures

Technical Info

Components: Single Pack
Type: Mastic
Finish: n/a
Apperance: Brown Paste
Tintable: No
VOC Content: -
Volume Solids: -
Suitable Substrates: Various - see attached data sheet
Application Method: Trowel
Consumptin / Dosage: Applied as a 40mm x 40mm triangular fillet : approx 15 linear metres
Density: Approx 1.90 kg/litre
Cleaner / Thinner: Clean all tools and application equipment with water immediately after use.
Shelf Life: 24 months from date of production if stored properly in undamaged unopened, original sealed packaging
Packaging: Available in 15 Litres
Product Video

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

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