CompareSertus Roof Access Hatch Models
Find the right roof access hatch for your project. All roof access hatch models are manufactured and supplied by Sertus and follow a common safety-led and performance-driven design philosophy – with clear differences in load performance, construction, size range and application type.
Use cases
Safe access to flat roofs
Residential & mixed-use buildings
Industrial & commercial buildings
New-build & refurbishment projects
Maintenance & inspection access
Natural daylight to internal spaces
Safe access to flat roofs
Residential & mixed-use buildings
Industrial & commercial buildings
New-build & refurbishment projects
Maintenance & inspection access
Natural daylight to internal spaces
System & configuration
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Roof access hatch
Manual gas strut
Roof access hatch
Manual gas strut with hold open mechanism
Size & performance range
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Square or rectangular – standard and bespoke sizes
Roof opening size (W x L, mm): 600 x 600–900 x 1200
Thermal transmission (U-value): 0.80–2.68 W/m²·K (lid and upstand dependent)
20-23 dB sound reduction
Square or rectangular – standard and bespoke sizes
Roof opening size (W x L, mm): 600 x 600–1500 x 1500
Thermal transmission (U-value): Cover: 1.40 W/m²·K / Upstand: 0.36 W/m²·K
28 dB sound reduction
Construction & finish
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Frame construction: aluminium or PVC frame
Insulation type: multi-chamber PVC
Lid / cover type: solid insulated or polycarbonate glazed
Glazing options: double, triple or quad-wall polycarbonate
Upstand options: PVC splayed or vertical (150 mm or 300 mm)
Internal finish: White internal surface
External finish: Mill finish (collar only)
Locking handle
Frame construction: aluminium frame
Insulation type: Rockwool insulated construction
Lid / cover type: solid insulated aluminium
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Upstand: aluminium – 230 mm
Internal finish: White powder-coated aluminium
External finish: Mill finish aluminium
Locking handle
Installation & delivery
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Supplied fully assembled
Installation method: direct to roof deck or adaptor base to builder's curb mounting
Lead time: Stock: 1–5 working days / Made-to-order: 3–4 weeks
Flat-rate £150 delivery fee (UK-wide)
Supplied fully assembled
Installation method: adaptor base to builder's curb mounting
Lead time: Stock: N/A / Made-to-order: 7–8 weeks
Flat-rate £150 delivery fee (UK-wide)
Compliance, testing & assurance
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BS EN 1873 compliant
Internal fire rating B-s3, d0 (EN13501-1)
External fire rating BROOF (t4) (EN13501-5)
Air tightness: Class A4 (EN 1873)
Water tightness: Pass (EN 1873)
Impact resistance: 1200 J (EN 1873) / Class B (ACR (M) 001)
Load testing: Downward 1000 N
Approved Document K & Part L compliant
CE marked
Warranty: 5-year upstand, aluminium or polycarbonate cover and weathering cowl / 2-year gas struts, opening frame, electrical actuator if fitted Learn more
BS EN 1873 compliant
A1-rated construction
A1-rated construction
Air tightness: Pass (EN 1873)
Water tightness: Pass (EN 1873)
Impact resistance: 1200 J (EN 1873) / Class B (ACR (M) 001)
Load testing: Upward 1500 N / Downward 1000 N
Approved Document K & Part L compliant
CE marked
Warranty: 5-year upstand, aluminium cover and weathering cowl / 2-year gas struts, handle and locking mechanism Learn more
Maintenance & sustainability
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Reduced maintenance intervention
Durable, weather-resistant construction
Long-term operational durability
Reduced maintenance intervention
Durable, weather-resistant construction
Long-term operational durability
Options & accessories
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Concertina ladder
Learn more
Glazed lid option
Solid insulated lid option
Powder-coated RAL finish available (collar only)
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Extra treads (for concertina ladder)
Mounting bracket (for concertina ladder)
Telescopic handrail (for concertina ladder)
Concertina ladder
Learn more
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Powder-coated RAL finish available
Handhold post – 1100mm high, polyester powder-coated to RAL 1016 (yellow), complete with fixings to upstand
Extra treads (for concertina ladder)
Mounting bracket (for concertina ladder)
Telescopic handrail (for concertina ladder)
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