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MasterWeld 440 Heavy duty synthetic rubber adhesive for installation of wall panels and wallboard. Formerly: Sonneborn 400 Adhesive

Product Data Sheet


How does MasterWeld 440 work?

MasterWeld 440 is a ready to use, heavy duty, synthetic rubber based adhesive for bonding wall panels and wall boards to various structurally sound substrates.

Recommended uses:

  • Interior  or exterior applications
  • For use in seams and joints that are subject to excessive, dynamic movement

What are the unique features of MasterWeld 440?

  • One component
  • High green strength for a quick initial grab
  • Increases contact area of bond between substrates

What are the benefits of MasterWeld 440?

  • Initial strength reduces nailing required and speeds installation
  • Ready to use formulation improves application efficiency
  • Increased contact and strong adhesion reduces vibration for quieter in service performance
  • Suitable for low temperature installations applications
  • Accommodates longer joist spans and narrower joists

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