Vertical Sliding Sash

Spiral Balance

Vertical Sliding Timber Windows

Spiral Balance

Choices has combined craftsmanship with modern technology to develop a window that slides by means of pre-tensioned springs on either side of the sash.

A major benefit of this product is that it can be fitted into smaller reveals.

Window Operation

Sashes slide by means of pre-tensioned springs on either side.

  • Both Sliding
  • Both Fixed
  • Top Sliding – Bottom Fixed
  • Top Fixed – Bottom Sliding

Size and dimensions (mm)

Choices products are bespoke, therefore can be manufactured to any size – within engineering limitations and health & safety standards.


Cills (mm)

Standard – Flush
Optional – 25, 47, 62, 87


As standard – Engineered Redwood
Hardwood option – Grandis
All timber used is FSC certified


Tested independently to BS 6375 Part 1.


Default colour – White RAL 9016
Standard Choices stains – Cypress, Teak, Mahogany & Walnut
Optional – any RAL colour can be provided

Factory Finish

All products are sold fully factory finished. They are treated with an organic preservative after all machining to ensure complete protection across all faces.

All Choices coatings are water based, therefore, environmentally friendly. After basecoat, components have end grain sealer applied.

Opaque colours use stain blocking primer. Top coats are high build breather paints.

Other Technical Information

Choices provide a full technical back-up service covering all aspects of product and glazing performance.

Glazing & Glazing Bars

Double Glazed
22mm Softcoat ‘Low E’ argon filled double glazed units (4/14/4) – manufactured to BSEN1279.

Specialist glazing can be fitted on request.

Standard spacer bars – Silver.

Optional spacer bars – White, Gold, Bronze or for thermal efficiency,
Black Swiss V.

As standard, timber beads to all four sides, Beading secured by ‘Choices’ fixing system.

Bonded glazing bars – 25mm

Solid glazing bars – 40 & 56mm

A range of leaded designs are available.

9mm as standard for rectangular and diamond lead designs.


Standard Obscure Glass Options


Bark (or Kura)


Arena (or Crepa)


Minster (or Kathedral)





Fasteners – One gold coloured non-locking fastener is fitted to the meeting rails and two gold coloured hook lifts to the lower sash rail.

Security and Ventilation – One face fixed travel stop and strike plate fitted with detachable key which allows the window to be left open to a fixed height without compromising security or safety.

Optional finishes – Polished Chrome, Satin Chrome.

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Vents are concealed within the frame head, eliminating the need for an unsightly and vulnerable external hood.

Standard (plastic) – XS16 or Trykvent White or Brown
Optional (Aluminium) – TV90 White, Brown, Polished Chrome, Gold, SAA

All comply with current UK building regulations.

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Choices have a vast network of choices timber installers across the UK, Use our online find an installer application to find an installer near you.