Arbomast BR

Epoxy Ltd Verified independent store

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Arbomast BR is a one-part butyl rubber sealant built for closed-joint sealing and bedding, forming a surface skin while staying pliable underneath for the life of the joint. Long-l asting mastic sealant Arbomast BR is a one-part, butyl rubber-based mastic sealant designed for closed-joint sealing and bedding applications. It bonds well to most common construction substrates. For repairs on wet or submerged surfaces, see MAS Aqua Zone. How it cures Once applied, Arbomast BR forms a surface skin on exposure to air, while the bulk of the material underneath remains non-setting and pliable — keeping the joint flexible for the long term rather than becoming brittle. Specification Supplied in grey, in 380ml cartridges. Show more