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The Ultimate Composite Door

The Ultimate Composite Door from Sliders UK brings exceptional choice and product flexibility to composite door specification.

Independently tested to PAS24:2016 – including cut-through testing and Part Q approved – it’s built around the Capstone GRP leaf, which exploits intelligent timber insert technologies encased in an energy efficient foam core, to deliver exceptional strength without compromising on thermal performance.
The range is supplied as standard with a choice of either Duraflex or Eurocell energy efficient door framing systems, plus Trojan, hardware and Ingenious locks, with heritage and auto-locking options available from Winkhaus.

  • Capstone-2
  • Capstone-1
  • Capstone-4
  • Capstone-3

Features and benefits

  • High security Capstone door blank featuring 15mm intelligent timber insert technologies
  • Part Q approved and PAS24 tested – including cut-through tests
  • Patented three stage glazing cassette system, which supports easy replacement of glass but maximizes security.
  • Choice of double or triple-glazed options U-values of as low as 1.0Wm2.K
  • 23 classic and contemporary styles including cottage doors
  • High security Capstone door blank featuring 15mm intelligent timber insert technologies
  • Part Q approved and PAS24 tested – including cut-through tests
  • Patented three stage glazing cassette system, which supports easy replacement of glass but maximizes security.
  • Choice of double or triple-glazed options U-values of as low as 1.0Wm2.K
  • 23 classic and contemporary styles including cottage doors

Related pages

Aluminium glazed entrance doors

We also supply three glazed aluminium single entrance and French doors from ALUK, Smart’s and Sliders UK, complementing aluminium bi-folding and sliding door ranges.

Find out more
PVC-U glazed entrance doors

Entrance and French doors are also available in Ideal 70 and Ideal 4000 PVC-U systems from aluplast. These are available with mid-rails, sidelights and a complete range of ancillary hardware.

Find out more
PVC-U sidelights and windows

All of our composite and PVC-U entrance doors are available for order with side and top lights.

10-Year Warranty

We are committed to product quality and take every step to make sure that our doors and windows are manufactured to the highest standards.

For more information about how we can support your business, please contact us.

Please call 01684 273 390 or email counter@chil.co.uk

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