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Product Reference: SDP-MD-50

Dome Smoke Vent

Introducing the (SDP-AOV) Polycarbonate Dome Smoke Vent , a CE-marked solution for daily ventilation and roof access. With standard sizes from 900 x 900mm up to 1650 x 1650mm, insulated aluminum upstand, and thermally broken frame, this smoke vent ensures optimal performance. The triple polycarbonate dome and double seals prevent moisture ingress, making it a reliable choice.

Product features:

  • CE marked to EN12101-2
  • Thermal break for enhanced insulation
  • 50mm insulation, mineral wool to 0.63W/m²K U-Value, 0.43W/m²K for PIR
  • Can be installed up to 15° Pitch
  • Customisable dimensions and optional powder coating
For more information please download our datasheet
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All your resources in one place

Product Resources

At Surespan, we are dedicated to providing you with the latest and most effective tools for your construction and design needs. Our regularly updated resources ensure that you always have access to the best solutions available. Whether you’re planning a new residential, commercial, or industrial project, our extensive range of roof hatches, floor access doors, and premium skylights can be customised to meet your specific requirements.

Spec Pack

Technical Submittal Pack

Download a zip file containing all documents for this product.

  • Product Datasheet
  • Fitting Instructions
  • Submittal Drawings (PDF)
  • Submittal Drawings (DWG)
Download Pack

Rising Above Your Expectations

Performance Standards

Standard Sizes

Available in standard sizes up to 900 x 900mm and 1650 x 1650mm.

Thermally Broken

Featuring a thermally broken lid and upstand as standard.

Powder Coating

Powder coating option available to withstand harsh environmental conditions and extend the lifespan of the vent.

External Curb Liner

Aluminium curb liner encapsulates insulation, provides a heat-resistant surface, and wraps around all four sides.

Electric Operation

Electrically operated via a 24V control box, smoke detector, ventilation switch, IP40 fire switch, and 24V DC/4A actuator.

Insulation Options

300mm insulated upstand with a 50mm thermal break, 50mm non-combustible mineral wool insulation, and U-value of 0.63 W/m²K.

Snow Loading

Can be engineered to withstand significant snow loads, maintaining access and functionality in snowy environments.

Resistance To Wind Loads

Our smoke vents comply with EN12101-2:2003 wind load standards, ensuring durability and safety in adverse weather.

your questions answered

Common questions

The Polycarbonate Dome Smoke Vent is designed with triple-layered polycarbonate that provides high impact resistance and excellent light transmission. Its versatility makes it ideal for both commercial and industrial applications where durability and light are priorities.
With an option for non-combustible mineral wool insulation providing a U-value of 1.8 W/m²K, this vent offers superior thermal performance, helping to reduce energy consumption and enhance comfort within the building.
Operated by a 24V DC actuator, this smoke vent ensures reliable functionality in daily ventilation and emergency situations. Its heavy-duty continuous hidden hinge and double unbroken seals enhance its durability and weather resistance.
Yes, we offer various customisation options including different sizes up to 1300 x 1300 mm, guard railings, and ladder access to ensure it meets the specific requirements of your project, making it a flexible choice for any building.

Enhanced Safety Options

Safety Products

Surespan provides additional safety features designed to complement our Smoke Vents (Automatic Opening Vents – AOV). These include the SureGuard Hatch Railing for enhanced perimeter protection, a convenient handhold to aid entry and exit, and the Ladder Up Post for secure vertical access. Each option enhances user safety and accessibility during roof operations.

Enhanced Access Options

Ladder Access

Our Smoke Vent Access products accommodate diverse ladder styles for optimal utility. Standard vertical ladders offer straightforward access to Automatic Opening Vents (AOVs), while companionway or ship ladders provide a more stable ascent to these vents with their unique design. ZIP retractable ladders enhance convenience by allowing easy storage when not in use, making them ideal for spaces where efficient access to smoke vents is key.
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