M-1 is a versatile, moisture curing, high performance polyether adhesive sealant. M-1 forms a tough, elastic, waterproof seal to most roofing materials, masonry, wood, glass, aluminum and foam. M-1 bonds well to most building surfaces including metal, flashing, copings, skylights and HVAC surfaces.


  • Solvent free, will not shrink
  • Can be applied on damp surfaces