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Smoke Release Hatches

Our smoke release hatches are manufactured with an aluminum insulated upstand. They can be supplied in bespoke sizes and designs a variety of actuation and security options. Units can also be specified as dual function units for roof access. On these dual function units, the gear motor operating mechanism is positioned off-centre, to allow a larger open area (lower image, right hand column).

A variety of opening and security options can be specified .

Roof Hatches Sales Brochure

Specifications
Type:

Hatches suitable for all types of flat/pitched roofs.

Frame:

Aluminium, aluminium to BS 1474:1987 Alloy 6063-T6.

Finish:

Mill Finish/Polyester Powder Coated.

Colour:

Polyester powder coated to BS EN 12206:2004 Part 1 Interpon D1036
Standard RAL colour.

Kerb:

FR 1
Lareine Engineering proprietary aluminium upstand 400mm high. This kerb is painted white internally. The upstand is insulated externally with GRP or aluminium to suit your roofer's requirements.
Depth of upstand can be changed to suit your particular requirements.
BU 1
Lareine Engineering proprietary aluminium upstand 350mm high. This kerb is painted white internally. The upstand is insulated externally using 50mm Rockwool insulation, with insulation encapsulated in aluminium. The flange width can be modified to meet your needs.

Lid:

TYPE A
Insulated aluminium lid to open 140°
TYPE B
Double glazed glass lid to open 140° comprising 8.0mm clear toughened outer, 16mm air gap, 6.4mm low ‘E’ laminate inner.
TYPE C
Clear or opal non fragile UV protected polycarbonate dome lid to open 140°.
(DUE TO BUILDING REGULATIONS THIS TYPE IS NOT AVAILABLE FOR SCOTLAND)

'U' Value:

50mm Insulation with a ‘U’ Value 0.25 W/m²K. Overall ‘U’ Value 0.70 W/m²K.

Fragility:

They have been tested and are classed as NON-FRAGILE Class B to ACR(M)001:2014 Test for non-fragility of profiled sheeted and large element roofing assemblies. (Fifth Edition)

Smoke Test:

To BS EN 12101-2 at SP Research, Sweden
Conformity Certificate 0402-CPR-SC0052-14
0402-CPR-SC0052-51

Size:

1050mm x 1050mm (1m²) or other dimensions to meet your requirements.

Operation:

24 Volt high temperature linear actuators.

Other requirements:

Control panel with 240V/24V transformer, 72 Hr battery backup in event of mains failure. Battery trickle charged to ensure 100% charge. Single zone with 1 Fireman’s switch. Additional switch at top landing if required.

Fixing:

In accordance with Lareine Engineering fixing recommendations.