University of the Arts, London – Combined Roof Access and AOV
London Architectural Glazing worked on a project which had a requirement for a huge 4700 x 1300 Smoke vent with access however due to EN12101-2 testing, Surespan only have CE Certifiction up to 1800 x 3000mm. Therefore we came to a solution which involved combining a large 3628 x 1300 electric roof hatch with a separate 1300 x 1218mm SRHE/AOV unit combined into one frame.
AOV Rooflight Polycarbonate Dome Smoke VentsEnquire Today
The Surespan AOV Rooflight top smoke vent offer exemplary functional safety and reliability, fully CE marked. The Ventilator can be supplied with a triple glazed polycarbonate dome in clear or diffused variants, The unit has a 300mm high thermally broken aluminium upstand that is suitable for use with the majority of roofing membranes.
The unit can also be used to incorporate natural day to day ventilation in your project. The Units actuators are off set within the aperture and this allows the unit to also be used for maintenance access to the roof of your project.
The units can be supplied to your free vent area requirements in either a geometric or aerodynamic value.
Double Leaf Roof HatchEnquire Today
The SRH/DL Double leaf roof hatch is manufactured in aluminium. They can be provided with an polyester powder coated dual finish upon request. Each standard roof hatch is Insulated to maintain the thermal integrity of the building.
The gas spring assisted opening lid is supported by heavy-duty aluminium hinges. This also features an integral ‘wrap over’ edge. The hatch incorporates double unbroken EPDM seals. The upstand has a purpose made flashing to accept the roof felt for weatherproofing purposes. Moreover, the hatch incorporates a safety hold open stay feature to prevent accidental closure. Various locking options are available.
Smoke Ventilation SystemEnquire Today
Surespan SRHE/AOV 140° Smoke Ventilation System can be made to any size up to 1800 x 3000mm. They are fully compliant with EN12101-2 and CE Marked. The thermally broken, Aluminium single leaf smoke ventilator is operated by 24v DC actuator(s) and features electro-magnetic locking.
The lid and upstand are filled with 50mm thick CFC and HCFC free Polyisocyanurate insulation. This offers a high level of thermal insulation against heat loss and condensation, together with excellent sound absorption properties.
Smoke Ventilation System can be supplied with an offset mechanism for roof access as well as concealed actuators.
All of our smoke ventilators are manufactured to meet the requirements of Building Regulations, Approved Document B, BS9999 and EN12101-2 and are supplied CE marked.
SRHG Glazed Roof Access HatchEnquire Today
Surespan SRHG Glazed Roof Access Hatches are manufactured using thermally broken extruded sections as standard, offering clients excellent energy conservation properties and substantially reducing internal condensation or frost formation.
Surespan glazed roof access hatches incorporate a frameless design eliminating water ponding. The low profile frame with triple seals is structurally bonded to the 35.5mm sealed double glazed unit will comprise Pilkington 6mm toughened K polished all round outer pane, 20mm Warm Edge silver spacer Bar argon filled, Pilkington 9.5mm toughened & laminated inner pane.
Note: We recommend all glazed hatches to be installed on a 5° pitch to stop water ponding.