CompareSertus Roof Vent Models
Find the right roof smoke and heat vent for your project. All roof vent models are manufactured and supplied by Sertus and follow a common design-for-installation and compliance-led philosophy – with clear differences in glazing, blade construction, daylight capability and size range.
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Use cases
Stairwells & protected corridors
(*Local rules apply)
Residential, mixed-use & commercial buildings
New-build & refurbishment projects
Natural daylight to internal spaces
Roof-level smoke ventilation
Roof access
Stairwells & protected corridors
(*Local rules apply)
Residential, mixed-use & commercial buildings
New-build & refurbishment projects
Natural daylight to internal spaces
Roof-level smoke ventilation
Roof access
Stairwells & protected corridors
(*Local rules apply)
Residential, mixed-use & commercial buildings
New-build & refurbishment projects
Natural daylight to internal spaces
Roof-level smoke ventilation
Roof access
System & configuration
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Natural smoke ventilation, mechanical smoke ventilation and roof access
24 V DC electric actuator
Pre-wired actuator supplied
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Natural smoke ventilation, mechanical smoke ventilation and roof access
24 V DC electric actuator
Pre-wired actuator supplied
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Natural smoke ventilation, mechanical smoke ventilation and roof access
24 V DC electric actuator
Pre-wired actuator supplied
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Environmental & acoustic performance
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Smoke and heat ventilation
Natural / comfort ventilation
39 dB sound reduction
Smoke and heat ventilation
Natural / comfort ventilation
20–23 dB sound reduction
Smoke and heat ventilation
Natural / comfort ventilation
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Size & performance range
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Square or rectangular – standard and bespoke sizes
Standard min. roof opening size (L x W, mm): 900 x 900
Standard max. roof opening size (L x W, mm): 1700 x 1200
Opens to 160° within 60 s
Aerodynamic free area range (m²): 0.50–1.26
Free area range (m²): 0.70–1.94
U-value range (W/(m²·K)): 0.89–0.92
Square or rectangular – standard and bespoke sizes
Standard min. roof opening size (L x W, mm): 900 x 900
Standard max. roof opening size (L x W, mm): 1600 x 2300
Opens to 160° within 60 s
Aerodynamic free area range (m²): 0.20–1.50
Free area range (m²): 0.39–2.89
U-value range (W/(m²·K)): 1.37–2.68
Square or rectangular – standard and bespoke sizes
Standard min. roof opening size (L x W, mm): 900 x 900
Standard max. roof opening size (L x W, mm): 1600 x 2500
Opens to 160° within 60 s
Aerodynamic free area range (m²): 0.50–2.48
Free area range (m²): 0.70–3.90
U-value range (W/(m²·K)): 1.10–1.25
Construction & finish
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Aluminium collar with Rockwool insulation
Double-glazed glass lid – clear or opal
300mm vertical aluminium collar
A1-rated construction
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Internal finish: White powder-coated aluminium
External finish: Powder-coated or mill finish aluminium (colour customisable)
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PVC base frame
Multiwall polycarbonate lid – double, triple or quadruple skin
150mm PVC vertical curb / 150mm aluminium collar (PVC base) / 300mm splayed PVC curb
B-s3, d0 / BROOF (t4)
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Internal finish: White PVC internal finish
External finish: Powder-coated or mill finish aluminium (RAL colour customisable when using 150 mm vertical collar)
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Aluminium collar with Rockwool insulation
Insulated solid lid – Rockwool insulation or multiwall
300mm vertical aluminium collar
A1-rated construction
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Internal finish: White powder-coated aluminium
External finish: Powder-coated or mill finish aluminium (RAL colour customisable when using 150 mm vertical collar)
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Installation & delivery
Typical unit weight range: 92–156kg
Supplied fully assembled
Fixings supplied
Integrated flashings supplied
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Lead time: Stock: 1–5 working days / Made-to-order 3–4 weeks
Flat-rate £150 delivery fee (UK-wide)
Typical unit weight range: 59–99kg
Supplied fully assembled
Fixings supplied
Integrated flashings supplied
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Lead time: Stock: 1–5 working days / Made-to-order 3–4 weeks
Flat-rate £150 delivery fee (UK-wide)
Typical unit weight range: 64–120kg
Supplied fully assembled
Fixings supplied
Integrated flashings supplied (collar only)
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Lead time: Stock: 1–5 working days / Made-to-order 3–4 weeks
Flat-rate £150 delivery fee (UK-wide)
Compliance, testing & assurance
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Certified to BS EN 12101-2
Compliant with BS EN 1873
Approved Document B & Part L compliant
Impact resistance up to 1200 J
CWCT Class 1
Air permeability: Class 3 to BS 6375-1
Weather tightness: Tested – Pass
Wind load resistance up to 1500 N
Snow load classification: SL250–1250 N
Heat resistance B300
Low temperature operation -15 °C
Reliability testing to 10000 + 1000 cycles certified
Dual purpose ventilation
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Protection rating IP45
CE marked
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Warranty: 5-year upstand & glass cover / 2-year electrical actuator(s) and opening mechanism(s) Learn more
Certified to BS EN 12101-2
Compliant with BS EN 1873
Approved Document B & Part L compliant
Impact resistance SB 1200 J classification
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Air permeability: Class 2 to BS 6375-1
Weather tightness: Tested – Pass
Wind load resistance up to 1500 N
Snow load classification: SL350–1000 N
Heat resistance B300
Low temperature operation -15 °C
Reliability testing to 10000 + 1000 cycles certified
Dual purpose ventilation
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Protection rating IP45
CE marked
UKCA marked
Warranty: 5-year upstand, polycarbonate cover / 2-year electrical actuator(s) and opening mechanism(s) Learn more
Certified to BS EN 12101-2
Compliant with BS EN 1873
Approved Document B & Part L compliant
Impact resistance SB 1200 J classification
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Air permeability: Class 3 to BS 6375-1
Weather tightness: Tested – Pass
Wind load resistance up to 1500 N
Snow load classification: SL250–2250 N
Heat resistance B300
Low temperature operation -15 °C
Reliability testing to 10000 + 1000 cycles certified
Dual purpose ventilation
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Protection rating IP45
CE marked
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Warranty: 5-year upstand, aluminium cover / 2-year electrical actuator(s) and opening mechanism(s) Learn more
Maintenance & sustainability
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Designed for reduced maintenance intervention
Durable aluminium construction
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Designed for reduced maintenance intervention
Durable PVC construction
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Designed for reduced maintenance intervention
Durable aluminium construction
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Options & accessories
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Polyester powder coating to external surface (any standard RAL colour)
Thermal break option
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Insulated base flange
Modular linking option
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Open / close end switches
Fall arrest grid
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Polyester powder coating to external surface (when collar)
Thermal break option
Integrated aerodynamic wind baffles
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Modular linking option
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Open / close end switches
Fall arrest grid
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Polyester powder coating to external surface (when collar)
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Insulated base flange
Modular linking option
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Open / close end switches
Fall arrest grid
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