• Two part catalyzed Polyglycol rubber, 100% solids, solvent free, non-breathable vapor retarder liquid applied membrane used as a base coat or flashing membrane for application in multiple roofing and waterproofing component systems. UV exposure applications require RMI liquid applied roof coatings.
  • Fluid Applied Membrane Perm rating: Non Breathable per Permeance testing.
  • While many fluid applied membranes have excellent elongation properties, RMI Flex has 100% memory.
  • Ideal for both extreme high and low temperature applications.
  • Does not require reinforcing fabrics.
  • Ideal for both vertical and horizontal applications.
  • Exceptional dry and cure times make it impervious to rain within 30 minutes depending on ambient temperature.
  • Same day surface wear coat applications.
  • Brush, roller or spray applied


Compatible Substrates:


  • Structural Concrete.
  • Lightweight Insulating Concrete (LWIC)
  • Spray Polyurethane Foam (SPF).
  • Asphalt Built-Up Roofing (BUR).
  • Modified Bitumen (SBS & APP).
  • Metal (Ducts, Roof Panels, Wall Panels, Coping, Flashings, Gutters).
  • Single Ply (EPDM, PVC, TPO, Hypalon).
  • Wood (Nailers, Support Blocks)


Incompatible Substrates:


  • Silicone.
  • Coal Tar.
  • Not intended as an unprotected finished traffic or pedestrian walkway.



Phone: 469.952.5842

P.O. Box 502 • Chapman, Kansas 67431

P.O. Box 6381 • McKinney, Texas 75071

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