System 17 Roof/ Sloped Curtain Walling

Curtain walling developed for mono or dual pitched roofs with a minimum pitch of 15° from the horizontal, subject to the structural sections being designed to accommodate the applicable loads in accordance with the relevant site conditions and application.

Features and benefits:

• All windows/ screens, in conjunction with a suitable glazing specification, have been designed to meet the current requirements of Building Regulations Approved Document L for England and Wales, Technical Handbook 6 for Scotland and Technical Booklet F for Northern Ireland where applicable.
• Weathertightness: Class III to BS 6375-1: 1989 and BS 5368.
• Dynamic Test: In accordance with the CWCT sequence B test regime using a representative two storey test sample.
• Static Air Permeability: <1.5 m³/hr at 600 Pa.
• Static Water Penetration: Zero ml at 600 Pa.
• Dynamic Water penetration: Zero ml at 600 Pa.
• Structural performance: 2400 Pa (140 mph).
• Safety Gust Performance: 3600 Pa (210 mph).
• All structural profiles can be designed so that maximum deflection of any member shall not exceed L/200 of its span, with no evidence of any permanent deformation once the load has been removed.
• A range of specialist roof windows can be incorporated. Consult with Metal Technology for recommendations and details.
• All glazed curtain walling screens, windows, and doors within the ground floor and vulnerable areas shall embrace secure by design.
• All systems installed must demonstrate that they have been tested in line with PAS24 security standards and certified by a UKAS accredited certification body.
• Stick system, pressure equalized and drained. The system is thermally broken throughout by means of a continuous thermal isolator located between the external pressure plates and internal framing members.
• Dry glazed using proprietary, high performance captive gaskets. All gaskets are bonded and sealed during construction, using waterproof adhesive. All internal gaskets have pre-moulded vulcanized corners.
• Roof glazing purlins use a low profiled bevelled pressure plate only. In addition to the proprietary gaskets:
• A fillet of neutral cure silicone is run along the exposed upper edge of the pressure plates to ensure surface water can flow easily.
• A butyl tape is deployed across the joint between the double glazed units below the pressure plate and gaskets.