Arbo SA Adhesive


Arbo SA is a solvent free, one part elastomeric sealant adhesive based on neutral curing silicone polymer technology. SA combines good initial grab to a variety of common construction substrates with long term performance.

For bonding Arbo EPDM and other membranes including butyl sheeting to aluminium (both polyester powder coated and other finishes) and PVC-U for both factory and site applications. Recommended for factory applications with the use of terminator strips but can also be used for site work. For porous substrates Arbo Primer 2650 is recommended. Adshead Ratcliffe Technical Service Department can advise if adhesion tests are required to new, untested substrates or if the product will come into contact with natural stone substrates. Complies with BS EN ISO 11600–F/G–25 LM.

Recommended accessories:

  • Arbo Primer 2650.
  • Arbo Cleaner No. 17 (Xylene based).
  • Arbo Cleaner No. 16 (Alcohol based).

General information

Uniclass 2015

Pr_20_31_02_80 Solvent-based synthetic rubber resin adhesivesPrimary


J40/297 Waterproofing/ Damp proofing membrane

Specification data - Solvent-based synthetic rubber resin adhesives

Product Reference

Arbo Sealant Adhesive

Standard product features



Product Options

Technical data:

  • Application temperature: 5–40 ºC.
  • Service temperature: -40 to +120 ºC.
  • Typical Shore A hardness: 30.
  • Cure rate at 20 ºC/ 65% RH: 2 mm/ 24 hours. Through cure rate will be retarded where passage of moisture to the centre of a large amount of product occurs.
  • Chemical resistance: Resistant to most dilute acids and alkalis. Organic solvents may cause the sealant to swell and lose adhesion.
  • UV resistance: Very good.
  • Service life: 25 years+.
  • Elongation at break: 400%+.
  • Bond strength: 31 Mpa.

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