Manufactured to the highest standards the Ultimate Aluminium Inline Sliding Door combines a sophisticated and elegant design with advanced technical performance.

Manufactured in the industry leading BSC94 system from ALUK, it’s available in mono, dual or tri rail configurations, delivering flexible design options combined with slim sightlines and advanced technical performance. This includes PAS 24 certification and Part Q approval.

Available in a wide range of anodized finishes including single and dual colour options, the Ultimate Aluminium Patio Door is also available in an ultra-slim sightline option, the BSC94S.

The Ultimate Aluminium Inline Sliding Door

  • Slim sightline aluminium system
  • Mono, dual and tri rail track options deliver multiple configurations
  • Pas24 tested and Part Q approved
  • Available in single and dual-colour anodized finishes
  • Ultra slim 45mm sightline option available
  • U-value (triple  glazing)* 1.5 W/m2K
  • Acoustic performance (dB) Rw (C;Ctr) 36 (-1;-3) dB**
  • Air tightness (Pa)*** Class 4 (600 Pa)
  • Water tightness (Pa)*** Class 7A (300 Pa)
  • Wind load (Pa)*** C4 (1600 Pa)


The Ultimate Collection

Setting the standard in door specification

With a wide choice of doors including PAS24 and Part Q compliant options, we have combined high performance security with a range of low threshold options, to create a highly flexible door range. It means that we’re able to give our trade, new build and specification customers access to a unique portfolio of products, which deliver new flexibility and opportunities but also built-in peace of mind to the end-user.

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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

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Customer support

To find out more please call 01772 698222 or email