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Vertical Slider

Traditional with a touch of modern.

Designed by Spectus Window Systems, manufactured by Frames Direct the Vertical Slider is an authentic-looking sash window with ovolo finishing.  It combines high performing modern materials and functionality with period character and design.

Much thought has gone into the Vertical Slider to ensure that the attractive style of a traditional sash window is retained, whilst providing all the benefits that modern technology can provide – upgraded security features and low energy rating that are the requirement in today’s living.

This uPVC sash window gives you the look, without the rotting, warping and temperature issues that can sometimes be associated with a timber window. You will be investing in an ideal timber alternative that is made to measure for your home. 


Frame Type



The option of double glazing or triple glazing. Contact our team for more information on glazing sizes. 

Glazing dimensions vary for all window types. 


Georgian / Astragal bar
Run -through sash horns

Vertical Sliders supplied with screw on sash horns as standard. 


U-value above is for standard configuration.


Manufactured using uPVC material

Chartwell Green Vertical Slider
Vertical Slider window

Sash windows

The Best uPVC Sash Window

The uPVC ovolo frames provide optimum strength, superior thermal protection, and excellent weathering performance and with the minimum maintenance, they will retain their appearance year after year. Enhancing the character and charm of your customers home.



  • Low maintenance uPVC profiles with traditional styling.
  • Tilt open facility to both sashes for ease of cleaning.
  • Air flow specification can be achieved through the use of trickle or glazed-in vents to suit particular applications as required.
  • Kitemarked to BSEN 12608 and BS 7950 and BBA approved.

Add a pop of colour

Add warmth and style with a range of colours. If white is too subtle, choose from one of our bold coloursWe offer a range of different Renolit Foil colours.

Colour choice



Agate Grey


Chartwell Green


Anthracite grey


Chartwell Green


Chartwell Green

Anthracite grey / white

Specials Colour range

Chartwell Green

Chartwell green / White

Chartwell Green

Agate grey / White

Colours above are for illustrative purposes only – the printing process may vary colours slightly. *Specials will have a lead time.

Why Choose Us

Satisfaction Guarantee

Our products are designed for high performance and energy rating but they are also designed for ease of insulation. Not only will our customers (installers) be satisfied but too will your customers (homeowners).

A One-Stop Shop

All the wholesale windows & doors you could want or need in one place so you too can offer a large selection of products to your customers without having to have a huge stock. 

Low U-Values

All our windows and doors exceed industry standards and we’re confident we manufacture to the lowest U-Values.