MasterWeld 440: Heavy duty synthetic rubber adhesive for installation of wall panels and wallboard

Formerly: Sonneborn 400 Adhesive


MasterWeld 440 description

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

US / Canada product information

Data Guide

Data Guide (French)

Certification Letter

LEED Letter

Safety Data Sheet

Safety Data Sheet (SDS)

Find all available safety data sheets for this product.


BASF Corporation Technical Support

Construction Systems Phone: 1-800-243-6739


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