Fire Rated Roof Hatch

Fire Rated Roof Hatch

Code: SRHTB/FR Categories: , Tag


  • Thermally broken lid and upstand
  • External curb liner fitted as standard
  • Fire rated for up to 240 minutes. Tested to EN 1634-4.
  • UL-EU certified up to 90 minutes.
  • Gas spring assisted opening to 85°
  • Double unbroken EPDM seal
  • T4 Extended curb option (Pre-weathered Upstands)
  • Polyester powder coated dual finish available
  • 50mm polyisocyanurate board as standard (0.43 W/m2K)
  • Non-combustible mineral wool insulation available at no extra cost
MATERIAL:Cover and upstand manufactured in aluminium with steel cladding to underside of lid.
COVER:Single or double leaf cover supported by heavy duty hinges and features an integral wrap over edge, incorporating double unbroken seals.
COVER INSULATION:The lid is filled with 50mm non-combustible mineral wool insulation which offers a u-value of 0.63 W/m²K.
UPSTAND:300mm in height and manufactured in steel. The upstand has a purpose made flashing to accept the roof membrane (supplied by others and fitted under manufacturers instructions) flush to exterior insulation.
LOCKING:The lid is held shut by a heavy duty grade 316 stainless steel cablock and in the interest of safety, can only be opened from the inside unless otherwise specified. Other locking options are available upon request, see locking options tab.
OPERATION:Complete with gas spring assisted opening to ensure minimum effort is required to open the lid. The lid will have the provision to lock in the open position with a safety hold open stay to prevent against accidental closure.
FINISH:The unit comes self colour as standard or can be provided polyester powder coated to any standard stocked RAL colour as an additional option.

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SRHTB/FR/60.60 600 x 600 120 kg
SRHTB/FR/75.75 750 x 750 150 kg
SRHTB/FR/75.90 750 x 900 175 kg
SRHTB/FR/90.90 900 x 900 180 kg
SRHTB/FR/100.100 1000 x 1000 200 kg
SRHTB/FR/120.120 1200 x 1200 250 kg
SRHTB/FR/150.75 1500 x 750 225 kg
SRHTB/FR/250.75 2500 x 750 320 kg

Bespoke sizes available. All sizes are Non-Stock with a 4 – 6 week manufacture lead time.

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