BOSS 337 Construction Adhesive Foam Gun Grade is a ready-to-use, single component, self-expanding polyurethane adhesive for clean, efficient, and economical permanent bonding of insulation panels and plasterboard in building and construction.

FEATURES & BENEFITS:

  • Cuts working time by up to 30 %
  • Excellent initial bond, even at low temperatures
  • Economical in use due to precise application
  • One can covers up to 140 ft2 of insulation
  • Suitable for vertical applications
  • Can be applied at temperatures between +23 °F and +95 °F
  • Thermal conductivity 0.035 W/m.K enhances performance of insulation panels when filling gaps
  • Remains flexible, does not become brittle
  • Levels uneven surfaces
  • Limited post expansion for fast and precise installation of insulation panels and plasterboard
  • Substantial space and weight savings compared to conventional PU roof adhesives, bonding mortars, etc.
  • Fast curing, work can continue about 1 hour after application
  • Solvent-free
  • Resistant to a variety of solvents, paints, and chemicals
  • Does not age or rot, mold, and mildew resistant, but not UV resistant
  • Water resistant (not watertight)
  • Tested according to ASTM E 84

USES:

  • Clean, efficient, and economical permanent bonding of insulation panels
  • Suitable for bonding polystyrene (EPS + XPS), polyurethane (PUR/PIR) and phenol resin foam-based insulation panels for flat roofs, perimeters, facades, insulation/drain elements, cellar ceilings, internal insulation, etc.
  • Suitable for bonding gypsum plasterboard/gypsum fiberboard in dry lining applications.
  • Suitable for bonding non-load bearing walls, e.g., partition walls, screen walls, cellar bars, stone shelves, etc., of concrete precision blocks (aerated concrete, sand-lime brick, gypsum…).
  • Fills cavities between individual thermal insulation panels

Check out our website to find out more! Boss Products – Rio Grande Roofing Reps (rgreps.com)