NBS Source
Fire Rated Roof Access Hatch

Description

Aluminium and galvanized steel, thermally broken, single-leaf roof access hatch. Complete with gas spring-assisted opening as standard, ensuring the minimum of effort to open the double-skinned aluminium lid. Comes complete with curb-liner and internal cablock.


Available with mill finish aluminium, or polyester powder-coated internally/ externally in two colours to any standard RAL colour.


Features and benefits:

  • Thermal break, Hold open stay and heavy duty aluminium hinges.

General information

Shape

Rectangular

Finish

Polyester powder coated

Material

Aluminium

Steel

WarrantyDescription

Five year

Size

600 x 600 mm

750 x 750 mm

900 x 750 mm

900 x 900 mm

1000 x 1000 mm

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Uniclass

Pr_30_59_36_74 Roof hatchesPrimary

CAWS

L20/630 Hatches

Specification data - Roof hatches Enhanced data

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 of up to 3.5 m.

SureGuard hand railing with self-closing gate.

Attached to the upstand of the hatch.

Size

600 x 600 mm

750 x 750 mm

900 x 750 mm

900 x 900 mm

1000 x 1000 mm

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Insulation

50 mm-thick standard insulation.

0.43 W/m²K.

50 mm-thick non-combustible mineral wool insulation.

0.63 W/m²K.

FireRating

60 minutes.

90 minutes.

Operation

24 V electric motors.

Gas springs.

Standard.

Locking

None.

L01 Cablock.

Standard.

L02 Cablock with hasp and staple.

L04 Cablock with external padlocking handle.

L06 European deadlock with key/ thumb-turn operation and external key.

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Cover

Fully insulated thermally broken kerb and lid, corner-welded and reinforced.

Upstand

300 mm-high with external curb-liner, thermal break and 50 mm-thick insulation.

Seal

Unbroken EPDM double-seal to lid.

Retractable ladder

Add an extra 50 mm to the ceiling aperture when used with a ceiling access panel.

ZIP4.

2500 mm maximum. Nine treads, minimum aperture 650 x 900 mm.

ZIP5.

2501 x 2790 mm. Ten treads, minimum aperture 650 x 900 mm.

ZIP6.

2791 x 3090 mm. 11 treads, minimum aperture 650 x 900 mm.

ZIP7.

3091 x 3390 mm. 11 treads, minimum aperture 650 x 950 mm.

Fixed backboard

A backboard to provide additional treads with the ceiling void is available. The width of the backboard range from 590mm to 1100mm with 1, 2 or 3 treads respectively.

ZIP-BB-A.

To suit a void depth of 510 mm up to 729 mm.

ZIP-BB-B.

To suit a void depth of 730 mm - 1029 mm.

ZIP-BB-C.

To suit a void depth of 1030 mm - 1330 mm.

Digital objects

Platform Compatible Version Certified to
IFC

IFC2X3

5

1.3
Revit

Revit 2016

7

2.0
Download now from NBS National BIM Library

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