Roof Ladder Access Hatch - NL619








Size Options:
Most sizes are available from our standard range, however specific design requirements can be met to suit your needs.

Base kerb can be adapted to accomodate most vent options from the standard range

Cork or Pvc insulation can be fitted to the base kerb, as an option, to suit your requirements.

Glazing Options:
Thermoformed rooflights - Single, Twin or Triple skin applications from our standard range, 3mm U/V protected outer skin / 3mm thick inner skin. Comes with a manufacturers discolouration and impact resistance guarantees.
Glass - Most applications can be incorporated, but in the main, georgian or piroshield wire is specified, if 1/2 hour fire rating is required.

Fixing Details:
The kerb is supplied fully assembled ready for fitment to roof structures, the kerb should be fixed at the corners then 300mm centres. Thermoformed Roof lights - Are supplied separately to kerbs and should be bolted to the opening frame, sealer washers, caps and roofing bolts with nuts are supplied as standard for this purpose.
Glass - Applications will be pre-glazed depending on size.

Cleaning / Maintenance:
Cleaning - Thermoformed roof lights should be washed down with a mild detergent and warm water. Do not use abrasives.
Maintenance - Annually check mechanical components, and lubricate where necessary, actuating components.

Other options available:
This unit can be supplied in 'adapter kerb profile' (see datasheet)
Security fixings can be supplied in place of roofing bolts.

Points to check prior to advising us of your requirements:
When placing an enquiry/ order please be sure to note the roof opening size , and where possible the width of the upstand kerb. Also note the distance from roof level to ground floor, and ensure that the opening size will allow sufficient clearence for access.





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