OS111 is bituminous sealant and adhesive that can be applied on damp, wet or submerged substrates. It is ideal for: sealing leaks and making repairs, even on wet surfaces, as an adhesive for all types of roofing felts; including APP- and SBS- modified membranes, waterproof finishing of overlaps, connections and joints of roof edges, chimneys, light domes and bushings for exhaust pipes, fixing rain water drain systems onto the roof, connection of damp courses and other waterproofing wall details (e.g. inner-walls), fixing overlaps of roofing felt at rising outer walls, temporary remedial or repair of plumbing.

Usage/purpose

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.

Contact with light-coloured plastics may cause discolouration. Always test compatibility with polystyrene before use as results can differ. Thick application and high temperatures may lead to solvent entrapment and impaired adhesion. OS111 is not over paintable.

Safety data sheet must be read and understood before use. Flammable - keep away from open flames and other ignition sources.

• Can be applied to damp, wet or submerged substrates
• Excellent adhesion to a wide range of materials
• Long-term resistance to weathering, ageing and UV
  
  

Data Sheets

Technical Data Sheet



The above information is based on current test data, health and safety information and application instructions supplied by our suppliers and manufacturers of the products. It is supplied for guidance and to the best of our knowledge is true and accurate. Customers should satisfy themselves to the suitability of the products in its intended use and no guarantee is given or implied as the conditions of actual use are beyond our control. If in doubt the customer should consult the designer of the project or the local building control. 

Fire Stopping Shop, disclaim any liability for loss, damage or other expense which may arise from the use of this information, data or products refereed to and reserve the right to amend or change any details without notice. This statement does not affect your statuary rights.