Arbo – Arbothane 1245 – Polyurethane Sealant

Arbothane 1245 is a one part Polyurethane Sealant which cures on exposure to moisture vapour to form a tough but flexible rubber, with good adhesion to concrete, brickwork, metals and many other common construction substrates.

Application Instructions:

Joint Preparation: The joint surfaces must be clean, dry and free from all contamination. The surfaces should be degreased using the appropriate Arbo Cleaner. Primers may be required on some substrates. It is recommended that Adshead Ratcliffe Technical Services Department should be consulted and advice obtained with regard to the choice of primer for specific purposes.

Joint Backing: Where applicable, appropriate joint filler e.g. closed cell polyethylene foam, should be used to provide the correct joint depth.

Application: All joint preparation, priming, and sealant application should be carried out in accordance with BS 8000 Part 16, the British Standard for the sealing of joints in buildings using sealants. Arbothane 1245 is supplied in 600ml foil packs and can be applied into the joint using an Arbo Foil Pack Gun

Joint Size Suitability Joint Width Minimum 6mm Maximum 25mm (single application); for advice on multiple applications please contact Adshead Ratcliffe Technical Services Department.

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