Water Block Mastic

FlexiProof Water Block Mastic is designed for use in termination bar installations and provides a strong compression seal.

A reliable sealing agent between FlexiProof EPDM membranes, Water Block Mastic can also be applied when EPDM sheets are being terminated using compression type seals such as roof drains.

• Light grey in colour

• Remains tacky throughout its lifespan

• Provides a durable compression type seal
• Easy to apply

Coverage
One tube covers approx 3 linear metres