Bilco Roof Hatches - Service Stair Access SSY-50TB - Roof access hatch

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Thermally broken roof access hatch with internal dimension 760 x 3360 mm (hinged on 3360 mm side) for frequent personnel access with tools and/or equipment, using a full size service stair.

Features:

  • Heavy duty slam latch, 75 mm insulated curb with cap flashing and Bilclip flashing system
  • Fully enclosed counter balanced compression springs,
  • Automatically locking hold open arm, and EDPM gasket providing Air Leakage performance 4.83 m³/hr/m² @ 600 Pa, tested to BS EN 12207:2000.
  • Fully insulated cover and curb (75 mm thick faced rigid polyisocyanurate thermal insulation board. U value of 0.278 Wm²/K (homogeneous situation).
  • Factory finish is mill finish aluminium.
Platform Compatible Version Certified to
IFC IFC 2X3 2 1.3
Revit Revit 2016 + 3 2.0

  • Properties and values
  • More information
  • More BIM objects
  • What's Changed?

Properties and values

COBie
NBS_General
NBS_Data
Accessories
Many accessories available
AirPermeability
4.83 m³/hour/mU+00B2 (at 600 Pa)
DoorLoadCapacity
˃195 kg/mU+00B2
DoorMaterial
2.3 mm thick aluminium with a 127 mm beaded flange and 75 mm thick polyisocyanurate insulation
DoorOrientation
horizontal or pitched
DoorPosition
Raised on upstand
EnvironmentalProductDeclaration
ISO 14001
FinishOptions
Mill finish aluminium (standard), Polyester powder coated (BS and RAL colours available)
Format
External
FrameSeal
true
Hardware
Heavy pintle hinges, automatic hold open arm
ImpactResistance
Pass
InternalSize
3360 x 760 mm (l x w)
Kurb
305 mm high, manufactured from 2.3 mm thick aluminium with 75 mm thick polyisocyanurate insulation
KurbFlange
140 mm wide with 11 mm holes
KurbLinerOptions
No liner, Aluminium curb liner, Aluminium flanged apron design, Aluminium fully enclosed curb, Built-in louvres
LockingOptions
Detention locks, Interior and exterior padlock hasps (standard), Keyed cylinder locks
OperatingMechanism
Compression spring operators enclosed in telescopic tubes (manual)
OperationControl
manual/motorised
OperationModeOptions
Manual with interior and exterior turn handles (standard), Manual with panic latch, Motorized
SnowLoadResistance
1200 Pa (for 1 hour)
ThirdPartyAccreditation
National Physical Laboratory and Vinci Technology Centre
WaterTightness
Class 9A
Weight
With curb liner: 151 kg; Without curb liner: 138 kg
WindResistanceClass
Class E2400
WindSpeedResistance
30 m/s (with open cover)
Pset_DoorCommon

More information

  • NBS specification data
    Roof Access Hatch Type SSY-50TB
    Roof Access Hatch Type SSY-50TB
    Case studies and technical literature

    • More BIM objects

    What's Changed?

    6/5/2018

    Object upgraded to NBS BIM Object Standard v2.0.
    1/19/2017