Systems
Curtain Walling: SMRF
This specification covers the materials, sections and accessories generally available from stock through the Senior Architectural Systems group of companies.
It illustrates typical recommendations for the fabrication of our SMRF Frameless Casement. The sections and fittings described in this manual are not definitive or exclusive in application but show typical assemblies using standard materials and accessories.
These details are suitable for installations in both new buildings and re-furbishments, which should comply with the latest building regulations.
Glazing
Note: All Glazing should be carried out to the recommendations of B.S.6262.
Double glazing to 28mm may be installed into this window system.
Each pane of glass is individually bonded into a fully prepared opening.
Site Installation
Site fixing of finished frames should take into account all applicable standards with regard to both the method employed and safe working practices.
Frame fixings should be suitable for the purpose given site conditions and materials into which the installation is to be made. If in doubt, please check with your fixings supplier regarding type and method to be used.
Weather Performance
SMRF Frameless Casement Window has been independently tested to CWCT specification sequence B and has achieved the following results:-
| Air Permeability | 600Pa |
| Water Tightness | 600Pa |
| Wind Resistance | 2400Pa |
When tested in accordance with EN 13830: 2003 the following results were achieved:-
| Air Permeability | 600Pa |
| Water Tightness | 600Pa |
| Wind Resistance | 2400Pa |
Separate figures are available for Thermal U-values depending on type of glazing material.
Thermal Performance
Thermal performance of our systems depend on too many variables to determine a simple statement. Varying standards of insulated glazing units, profile selection, product size and mullion spacing combine to provide a unique 'U' value per window, door of curtain wall facade. At Senior Architectural Systems we use the most up to date designs and materials in order to offer the highest performance systems and products on offer in the UK. To determine the thermal performance of a specific proposed installation please consult your chosen supplier or Senior Architectural Systems who would be pleased to undertake a specific calculation. By varying glazing specifications and system/profile selection, high insulation, specific overall 'U' values required can be achieved.
The SMRF system allows curtain wall systems to maintain a sightline width of 50 mm for the exterior capping and main mullion profiles. The casement system can also be used with a structuraly glazed system maintaining the glass to glass joints around an opening light.
Materials
Extruded aluminium is Aluminium Alloy 6063.T6 to BS EN 755 part9: 2001
Polyamide thermal barriers PA66 GF25
Anodising: i) Natural (Silver) anodised to BS3987, 1991. and ii) Anolok Bronze Colour 547 anodised to BS3987, 1991. Anodising is to a minimum of 25 microns (AA25).
Powder Coating is to BS6496, 1984.
Gasketry is manufactured in accordance with BS3734 and BS7412, cat A.
Finishes
Aluminium profiles are normally supplied coated using the powder coat method. Powder coat is available in a wide range of standard colours and surface finishes. Bespoke colours can be provided but may be subject to extended delivery times. Aluminium can also be clear anodised in either satin or polished finish and a limited range of colours, which includes bronze and black, is also available.
Construction
SMRF Frameless Casement Windows are constructed using mitred and mechanical corners, with support chevrons and cleats.
A proprietary sealant to protect against water entry should be used on all metal-to-metal joints and cleat insertion points at assembly.
Opening Window Frames are designed to be inserted directly into the outer frames using friction stays.
Glazing is double glazing 28mm standard.
At all times good working practices should be employed.
