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Spray Polyurethane Foam Insulation


  • Two-component, closed-cell, polyurethane foam system, designed for spray applications. "A" component is a polymeric disocyanate. "B" component is a combination of polyols, catalytic agents and non-ozone depleting HFC-245fa blowing agent.

  • Used as monolithic, high R value, high density, high compressive value tapering substrate for the application of RMI systems.

  • RMI has developed a proprietary "gasket flashing system" utilizing RMI Flex fluid applied non-breathable less than 1 perm membrane with 500+% elongation and 100% memory to provide a double floating seal at all penetrations, transitions, curbs, walls and perimeter. The net result is a true monolithic tapered insulation with superior flashings than conventional board stock and roll sheet membranes.

  • It can be surfaced with or without RMI Flex as required. One of our liquid applied roof coatings is required to complete the system.

  • Compressive value significantly higher than conventional board stock insulation when combined with RMI Flex provides one of the most hail resistant roof systems available today.

Compatible Substrates:

  • Structural Concrete

  • Lightweight Insulating Concrete (LWIC)

  • Gypsum Decks

  • Tectum Decks

  • Existing SPF

  • Asphalt Built Up Roofing (BUR)

  • Plywood Decks

  • Steel Roof Decks

  • Metal Roof Panels

  • Modified Bitumen (APP & SBS)

  • Single Ply

Incompatible Substrates:

  • Silicone.

  • Coal Tar.

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

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