Chesterfield Windows Double Glazing Conservatories
Call us: 01246 566197 / 07980 298930
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Sliding Sash with Spiral Balances


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Passionate About Sash Box Windows

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Sanderson Windows are passionate about sash box windows and our products reflect this. Again, like with our Wooden flush casement timber windows and storm proof windows, our sash box windows combine modern features with traditional design.

Our Sash slider on spiral balances are the solution for combining authentic period feel with all the practical benefits of a modern window design.

These windows suit traditional refurbishments and have extra design features making “internal cleaning” way easier.
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Authentic Appeal With Modern Technology

These beautiful windows seamlessly blend modern technology with traditional aesthetics. In keeping with that traditional feel, all the ironmongery suits the style, having f
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itch fasteners, sash rings, D handles and lockable restrictions in a wide range of plated finishes.
Looking To Match Your Existing Windows?

These windows are not made in bulk; they are individually tailored to your exact requirements making them truly bespoke.

We can offer these beautiful windows in Hardwood Sapele, Hardwood European Redwood or Accoya softwood (a premium hardy version of pine).


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Energy Efficiency and Weather Performance

We have achieved fantastic U values (Energy Efficiency) on our whole sash frame and the proof of this is in the Certified Test results on our Sash Slider on Spiral Balances design.

These windows are fully weathersealed to achieve severe weather rating and this Rating was given BMTrada to BS6375 (Part 1) 2004 with the results of its exposure catagory being 2000+.


Tilt Back Facility

In addition, our windows have a “tilt back” facility for easy cleaning of the external panes from the inside of your property. These windows have also achieved the high security standard “BS7950” and is an ideal solution for high rise properties.
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Spiral and Fasteners

Using pre-tensioned spiral balances and available with lockable or non lockable fitch fasteners (as shown below), our Sash Slider on Spiral Balances is a perfect blend of modern technology with traditional aesthetics.

We have a range of solid English brass fixtures and fittings which are available in a wide range of plated finishes.


Unique Design

We can guarantee that these are the only windows in the country that have gone that extra mile to ensure that no moisture is going to become trapped in any area. They are what we call Dry Gasket Glazed with a sloped and concealed drainage area which provides ventilation and an escape route in the rebates.


Georgian Bar Options

Essentially, there are two options of decorative Georgian Bar.

The first is a structural Georgian Bar which is created using individual glass units and has a width of 39 mm.

The second is a cross halved and scribed astragal bar. This has a width of 22mmm and therefore matches the sightlines of single glazed windows whilst providing the thermal and acoustic benefits of a fully Double Glazed system. Full details can be explained and shown on any visit your property.









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Sanderson Windows, 2 Riverside Crescent, Holymoorside, Chesterfield, Derbyshire S42 7EH Tel: 01246 566197 / 07980 298930 contact us HERE Contact Me