Home > Companies > Bilco UK Ltd > Roof Access Hatch Type L-50TB

A service stair access hatch designed for installations where frequent use may be expected. Permits easier movement of maintenance personnel, tools and equipment with the added comfort of a full size stairway.

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Standard product features


2.3 mm aluminium.


75 mm polyisocyanurate to cover and curb.

Lift mechanism:

Maintenance free compression springs located within inner and outer tube.


760 x 2440 mm.

Weight/ Construction:

138 kg/ Aluminium.

NBS Specification

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This product is associated with the following NBS Create clause:
45-25-28/422 Roof hatches

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Bilco UK Ltd


+44 (0)1284 701696

Product reference

Roof Access Hatch, Type L-50TB

Other requirements

[Curb modifications]
[Motorized operation]
[Special paint finish, colour]
[Stainless steel hardware]
[Ventilation louvres]

Manufacturer details

Park Farm Business Centre,
Fornham St Genevieve,
Bury St Edmunds,
Suffolk, IP28 6TS
Tel +44 (0)1284 701696
Fax +44 (0)1284 702531
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