NBS Source
List your products
Description

Single leaf roof access hatch with a 50 mm thermal break and insulated with 0.43 W/m²K U-value polyisocyanurate insulation (non-combustible mineral wool also available). Manufactured from aluminium with a 300 mm kerb upstand.

Available with mill finish aluminium, or polyester powder coated.

General information
Size

600 x 600 mm

750 x 750 mm

900 x 750 mm

900 x 900 mm

1000 x 1000 mm

750 x 1500 mm

1200 x 1200 mm

750 x 2500 mm

750 x 3300 mm

Material

Aluminium

Mill finish as standard.

Stainless steel

Uniclass 2015 Roof hatches (Pr_30_59_36_74)
Specification data
Product Reference

SRHP50

Size

600 x 600 mm

750 x 750 mm

900 x 750 mm

900 x 900 mm

1000 x 1000 mm

750 x 1500 mm

1200 x 1200 mm

750 x 2500 mm

750 x 3300 mm

Material

Aluminium

Mill finish as standard.

Stainless steel

Upstand

200 mm thermally broken and insulated

300 mm with a 50 mm thermal break and insulated

As standard.

385 mm thermally broken and insulated

Superior insulation only.

Colour/ Finish -
Internal powder coating

Not required

External powder coating

Not required

Insulation Options

50 mm Standard insulation (0.43 W/m²K)

As standard.

50 mm Non-Combustible Mineral Wool (0.63 W/m²K)

50 mm Superior Polyisocyanurate (0.20 W/m²K)

Requires 385 mm upstand.

Operation

24 V electric motors

Gas springs

Locking options

None

L01 Cablock

As standard.

L02 Cablock with hasp and staple

L04 Cablock with external padlocking handle

L06 ABS Euro Cylinder with external key locking and thumb turn options

L07 European deadlock with internal and external key operation

Accessories

None

Extended skirt liner

Used in conjunction with retractable ZIP ladder.

Fixed external handhold

Retractable Handhold

Retracts into the opening of the roof hatch.

Retractable ZIP ladder

To suit Floor to ceiling height up to 3.5 m.

SureGuard hand railing with self-closing gate

Attached to the upstand of the hatch.

Standard product features

Material:

2 mm aluminium with 50 mm thermal break

Cover:

50 mm fully insulated kerb and lid, corner welded and reinforced.

Curb:

300 mm in height with external curb liner, 50 mm thermal break and 50mm insulation.

Seal:

Unbroken double seal to lid

Operation:

Gas spring assisted manual opening, designed to be opened smoothly and easily with secure stay hold-open arm.

Insulation:

  • 50 mm HCFC and CFC free polyisocyanurate – U-value of 0.43 W/m²K.
  • 50 mm Non-combustible Mineral Wool Insulation – U-value of 0.63 W/m²K.

Product Options

Fire rating:

Available up to 90 minutes. See SRH/TB-FR.

Acoustic Rating:

Available up to 45 dB available see SRH/TB-DB.