The Simon Topframe overframe ventilator has been designed to appear as an integral part of your window. Extruded from window grade PVCu the Topframe is suitable for new build and refurbishment markets.

Click here to download PDF specification sheet

Specification

• Topframe ventilators are manufactured from window grade PVCu
• Neat design which makes the ventilator seem part of the window
• Suitable for new build and refurbishment markets
• Ventilators comply to BS EN 1027:2000 and achieve the current building regulations
• Avaliable with knob or cord options
• Situated above the window frame, it is quick and easy to install
• Ideal for all types of windows
• Head extension available for deep plaster reveals
• Independently acoustically tested in accordance with BS EN20140-10:1992, ISO 140-10:1991

British Standards

Exceeds requirements of BS6375 Part 1. For full compliance with BS 5440:2000 part 2 please ensure you contact our Technical Sales Department

Air flow requirements

Air flow rate

Surveying

Height reductions must be as follows:
For New Build and Refurbishment deduct 35mm

Building Regulations

Approved Document F1* 1995 Means of Ventilation requires that ventilation opening(s) should be reasonably secure, adjustable and located (typically 1.75m above floor level) so as to avoid discomfort due to cold draughts and to prevent rain ingress.

Topframe Not to scale

Topframe Overframe fixing detail