The Ultimate Evolution Adjustable Jamb French Door is the latest door innovation from Sliders UK. PAS24 and Part Q approved, time on site is reduced through a highly innovative fully adjustable jamb option.

A 30mm polyamide thermal barrier delivers enhanced thermal performance, which combined with Ultra slim sightlines, and a choice of finishes in the Qualicoat coastal powder system as standard, drives end user appeal.

Features and benefits

  • PAS24 and Part Q accredited
  • Adjustable jamb option for simplified squaring and setting
  • Ultra-slim sightlines
  • Maximum height 2400mm with lock extension
  • Maximum width 1200mm
  • Maximum sash weight 120kg
  • Low threshold options
  • Colour-matched handles
  • White and Anthracite Grey in stock colours
  • Dual colour and special finishes available
  • Coastal powder specification as standard
  • 30mm polyamide thermal break for increased thermal values
  • Severe weather tested to BS6375-1:2004

Simplified door squaring and setting

Installation of the Ultimate Evolution is simplified using an innovative fully adjustable jamb option. Fitted to both sides of the door, they make squaring and setting faster and easier, by adjusting to accommodate imperfections in brickwork to ensure perfect fit and ultra-smooth operation.

The Sliders UK difference

10-year security guarantee

We are committed to product quality, ensuring our doors and windows are manufactured to the highest standards

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Manufacturing excellence

Everything we ship goes through a rigorous quality control and dispatch process.

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The Ultimate Collection

PAS24 and Part Q compliant, high performance security with a range of low thresholds.

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Customer support

To find out more how we can support you and your customers, please call us on: 01772 698222, or email

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