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Spiral Balance

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Replicating that traditional style, with smoothly operating weightless sashes the modern spiral balance sash window is ideal in new build, and remodelling situations where there is no room for the traditional box sashes.

These more cost effective alternatives to the cords and weights range, look and feel exactly the same, but are a much easier alternative to install, as they can be built into standard brick openings without the need to be built in behind the facing brickwork to cover some of the heavier sections required in Cords and Weights sash windows. This gives you more glass for viewing typically. These windows can be manufactured using Oak, Hardwoods or treated engineered softwoods, and using our modern manufacturing techniques, these spiral balance sash windows offer you great thermal performance, security and weather rating, with at least 2 formal seals. between the inside and outside of the windows. We also can offer you any glazing bar configuration designs to tie in with the character of your property, and this range is also available fully compliant with Part Q ( Security ) of the Building Regulations.

Spiral Balance Sash Gallery

Performance Standards & Options

 Double GlazingTriple Glazing
Product Ref:58/6066/60
U ValuesGlass: 4/16/4 Ug = 1.1 w/m2K
Whole Window: 4/16/4 = 1.4 w/m2K
Glass: 4/12/4/12/4 Ug = 0.7 w/m2K
Whole Window: 4/12/4/12/4 = 1.1 w/m2K
Frame Thickness / Width148 x 60mm148 x 60mm
Sash Thickness / Width58 x 40mm66 x 40mm
Sill Sizes Available148mm > 250mm148mm > 250mm
Glazing Thickness Available4mm Single > 30mm Double4mm Single > 38mm Triple
Air Permeability Class3
Acoustic Performance29dB30dB
Secured By Design AvailableYesYes
Integral Bar Designs Available
Ogee
Lamb
Ogee
Lamb

Section Drawings

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