Rmax Ultra-Max® HD
1/2” High Density CoverBoard

Rmax Ultra-Max® HD is a high density roof cover board composed of a closed-cell polyisocyanurate (polyiso) foam core bonded to inorganic polymer coated glass fiber mat facers on both sides. Ultra-Max® HD is approved for use in insulated roofing system constructions of new and re-roofing applications.

 

 
Rmax Ultra-Max HD Compliances

CONSTRUCTION APPLICATIONS

  • Fully adhered single-ply

  • Mechanically attached single-ply

  • Loose laid ballasted single-ply

Fully Adhered Application

Fully Adhered Application


THERMAL PROPERTIES

TYPICAL PHYSICAL PROPERTIES

1Thermal values are determined by using ASTM C518 test method at 75°F mean temperature on material conditioned according to PIMA Technical Bulletin No. 101.

1Thermal values are determined by using ASTM C518 test method at 75°F mean temperature on material conditioned according to PIMA Technical Bulletin No. 101.

1 80 psi (551 kPa) minimum 2Flame spread and smoke numbers are shown for comparison purposes only and are not intended to represent the performance of Ultra-Max® HD and related components under actual fire conditions.

1 80 psi (551 kPa) minimum
2Flame spread and smoke numbers are shown for comparison purposes only and are not intended to represent the performance of Ultra-Max® HD and related components under actual fire conditions.