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Evolution Bottom Hung Open-In Window System

Evolution Bottom Hung Open-In Window System

The Crealco Evolution Bottom Hung Open-In window system shall be as supplied by Wispeco Aluminium & manufactured in accordance with the relevant Crealco manuals.

Specifically designed for bottom hung open in sashes. Windows can be glazed from the inside or outside. There is the option to have open out side hung or top hung sashes. Cottage pane configurations is also available.

Category:
Materials
Materials shall be of 6063 T6 aluminium alloy & temper. The profiles to be designed so as to meet the required structural integrity for the relevant wind load as per NBR.Features
Specifically designed for bottom hung open in sashes. Windows can be glazed from the inside or outside. There is the option to have open out side hung or top hung sashes. Cottage pane configurations is also available.Construction
Outer frame to be constructed of profiles with sight lines of 27 mm. The mullions & transoms are constructed of tubular profiles with a sight line of 35 mm. Outer frame & sash profiles are crimped together with corner cleats. All mechanical joints to be silicone sealed. Relevant drainage holes to be inserted as per the manual. Approved Crealco gaskets & hardware to be used for optimal performance. The maximum sash sizes are 850 mm wide x 850 mm high.

Hardware
Outer frame & sash profiles to have corner cleats as well as the relevant glass setting blocks. All beads to use the Crealco orange bead gasket. Use of the approved Crealco colour coded wedge gaskets for optimal performance is recommended. The Crealco friction stays & handles are to be fitted in accordance with the Wispeco specifications as per the sash sizes.

Finish
Wispeco has a comprehensive range of colours including natural anodizing. All powder coating is according to standards as set out by SANS 1796:2010. Wispeco is also Ferro & Akzo Nobel approved applicators of powder coated finishes. Any powder guarantees required, need to be requested before the profiles are powder coated.

Glazing
Glazing to be carried out in strict accordance with SANS 10400-N:2012, with particular attention given to glass thickness & limitations. All glazing to have the relevant glass setting blocks & Crealco approved gaskets. The glass thickness ranges from 4 mm to 6.38 mm.

Maintenance
To preserve & correctly maintain the longevity any of Crealco aluminium product, please see the Crealco website for the Wispeco Installation, Cleaning and Maintenance Procedures for Crealco Products.

Performance
The system shall meet or exceed the requirements of SANS 613. To further assist professionals to design & specify energy efficient & structurally compliant Crealco windows & doors, Wispeco has developed a freely available software programme called the U-Solve calculator (Agrement certified), which calculates the actual whole window U-Values & SHGC, as well as calculates budget pricing on most aluminium systems. The Crealco website also offers limitation charts for the relevant systems including wall charts, manuals & Revit families. For further compliance assurances, an FPD (Fenestration Performance Declaration) can be requested from the fabricator.

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