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Introducing the ThermalBlock Series - Our Most Energy-Efficient Roof Hatch.

High-performance building enclosures deserves the best in roof hatch openings whether you are in Zone 1 or Zone 8.  The ThermalBlock (RHTBA) Series of  thermally broken roof hatches provides an energy-efficient solution to reducing building energy costs with an R value of 20.

  • The durable construction and finish are designed to withstand heat, cold and UV exposure.
  • 3” of polyisocyanurate insulation in both the curb and cover give the roof hatch a thermal resistance of R-20.
  • Continuous gasketing maintains an air barrier and provides a thermal break between the curb and flashing.
  • Counterbalanced lid and easy-to-operate handle allow one-handed operation.

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