Residential Access Hatch
System type
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Customisations available
Lead times
Dedicated Sertus delivery
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At a Glance
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Safe access to flat roofs
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Manual operation
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Glazed or solid lid options
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Thermally insulated for energy efficiency
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Tested for impact and weather resistance
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Ideal for new build or refurb projects
Key Features
Safe, direct access to flat roofs – no external ladders or stairs required
Manual gas strut or electric actuator operation
Solid insulated or polycarbonate glazed lid options
Thermally insulated construction for energy efficiency
Suitable for residential and mixed-use buildings
Designed for maintenance and inspection access
Accessories available including ladders
Sizes & Materials
Square or rectangular - standard and bespoke sizes
Roof opening size (manual): 600 × 600 mm to 900 × 1200 mm
Lid options:
Solid insulated cover
Double, triple or quad-wall polycarbonate glazing
Frame construction: aluminium or PVC frame
Insulation: multi-chamber PVC
Internal finish: white internal surface
External finish: mill finish (collar only)
Upstand options: PVC splayed or vertical (150 mm or 300 mm)
Certifications
BS EN 1873 compliant
Internal fire rating: B-s3, d0 (EN 13501-1)
External fire rating: BROOF (t4) (EN 13501-5)
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
Thermal transmission (U-value): 0.80–2.68 W/m²·K
Sound reduction: 20–23 dB
Description
Tech Specs
Roof access hatch
Manual gas strut
BS EN 1873 compliant
B-s3, d0 (internal) / BROOF (t4) (external)
Class A4
Pass
1200 J / Class B (ACR (M) 001)
Downward 1000 N
0.80–2.68 W/m²·K
20–23 dB
400 × 700 mm to 1050 × 1050 mm
Aluminium or PVC frame
Multi-chamber PVC
Solid insulated or polycarbonate glazed
PVC splayed or vertical (150 mm / 300 mm)
Fully assembled, direct to roof deck or builder’s curb
White internal / mill finish external (collar only)
Concertina ladder
Size Guide
| Model | Access Opening Size (mm) | Roof Opening Size (mm) – 150mm Vertical Curb/Collar |
|---|---|---|
| RAH-R 40.70 | 400 x 700 | 400 x 700 |
| RAH-R 40.100 | 400 x 1000 | 400 x 1000 |
| RAH-R 50.70 | 500 x 700 | 500 x 700 |
| RAH-R 50.80 | 500 x 800 | 500 x 800 |
| RAH-R 50.100 | 500 x 1000 | 500 x 1000 |
| RAH-R 50.110 | 500 x 1100 | 500 x 1100 |
| RAH-R 50.140 | 500 x 1400 | 500 x 1400 |
| RAH-R 50.170 | 500 x 1700 | 500 x 1700 |
| RAH-R 60.60 | 600 x 600 | 600 x 600 |
| RAH-R 60.80 | 600 x 800 | 600 x 800 |
| RAH-R 60.90 | 600 x 900 | 600 x 900 |
| RAH-R 60.120 | 600 x 1200 | 600 x 1200 |
| RAH-R 60.130 | 600 x 1300 | 600 x 1300 |
| RAH-R 60.150 | 600 x 1500 | 600 x 1500 |
| RAH-R 70.70 | 700 x 700 | 700 x 700 |
| RAH-R 70.100 | 700 x 1000 | 700 x 1000 |
| RAH-R 70.130 | 700 x 1300 | 700 x 1300 |
| RAH-R 70.150 | 700 x 1500 | 700 x 1500 |
| RAH-R 70.160 | 700 x 1600 | 700 x 1600 |
| RAH-R 75.75 | 750 x 750 | 750 x 750 |
| RAH-R 75.105 | 750 x 1050 | 750 x 1050 |
| RAH-R 75.125 | 750 x 1250 | 750 x 1250 |
| RAH-R 80.80 | 800 x 800 | 800 x 800 |
| RAH-R 80.110 | 800 x 1100 | 800 x 1100 |
| RAH-R 80.130 | 800 x 1300 | 800 x 1300 |
| RAH-R 85.85 | 850 x 850 | 850 x 850 |
| RAH-R 90.90 | 900 x 900 | 900 x 900 |
| RAH-R 90.120 | 900 x 1200 | 900 x 1200 |
| RAH-R 100.100 | 1000 x 1000 | 1000 x 1000 |
| RAH-R 105.105 | 1050 x 1050 | 1050 x 1050 |
Downloads
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Complete Documentation Pack
Download a zip file containing all documents for this product.
Technical Data Sheet
Installation Guide
Operation & Maintenance Manual
Warranty
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Operation & Maintenance Manual
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Videos
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Your future access hatch!
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How the RAH-R performs
No, Sertus doesn’t currently supply this.
We don’t supply self-cleaning glass at the moment.
Yes, we can supply ladders for our RAH-R and RAH-C models. However, please note that installing a ladder will reduce the free vent area by approximately 0.4m².
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Find the right system for your project
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