WeatherBond Roofing Systems

Water Cut-Off Mastic 11 Oz. Tubes (Case of 25)

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WB Water Cut-Off Mastic is a one-component, low viscosity, self-wetting butyl blend mastic used with roofing and waterproofing systems. It is primarily used as a sealing agent and also used when membrane is being terminated using a compression-type seal. Water Cut-Off Mastic is an extremely tacky material and will remain as such when used with compression-type terminations.


  • Extremely tacky 
  • Provides a durable compression-type seal between various membranes and parapet wall constructions
  • Coverage Rate 10 linear feet per tube at the recommended application rate of a ½" bead
Financing Available for orders over $1,000

Carlisle WeatherBond Water Cut-Off Mastic:

A one-component, low-viscosity, self-wetting, butyl-blend mastic designed to be used in conjunction with roofing and waterproofing systems. It is primarily used as a sealing agent between various membranes and substrates for compression type terminations.

Coverage Rate: 10′ per tube, using a 7/16” bead.


  • 25 Tubes/carton – Product Number: WEA-309830

Shelf Life: 12 months unopened container



More Information
SKU WB-309830
Manufacturer Part Number 309830
Manufacturer WeatherBond Roofing Systems
Weight 25lb
Country of Manufacture United States