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OS111
Bituminous Sealant

OS111 is bituminous sealant and adhesive that can be applied on damp, wet or submerged substrates. It is ideal for sealing leaks & making repairs even on wet surfaces & can be used for all types of roofing felts.

Usage/Purpose

For Interior and Exterior Use

OS111 is a high performance bituminous sealant and adhesive that can be applied on damp, wet or submerged substrates. Ideal for a range of external weather sealing and repairs, particulary to guttering and felt roofs.

  • Can be applied to damp, wet or submerged substrates
  • Excellent adhesion 
  • Ideal for repairing guttering and felt roofs
  • Long-term resistance to weathering, ageing and UV

Technical data

 Test Method Results
Composition  plasto-elastic bitumen / rubber composites 
Specific Gravity  1.23
Skin Forming Timeat +23°C, 50% RHApproximtely 20 minutes 
Tack Free Time at +23°C, 50% RH60 minutes 
Elongation at BreakDIN 53504 S2100% 
Movement Accommodation ± 12.5%
Elastic RecoveryEN 27389-B40% 
Application Temperature +5°C to +40°C 
Service Temperature -35°C to +110°C 
Storage  Store in dry conditions between +5°C and +25°C.
Shelf Life 12 months when stored as recommended in original unopened containers. 
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