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Practical Solutions Designed With Style

Upgrade your offering with SheerGlide® aluminium patio doors, where refined design meets excellent performance.

With slim sightlines, advanced thermal technology, exceptional built-in security and a sleek 38mm interlock, SheerGlide® helps flood living spaces with natural light while keeping any property warm, secure and connected to the outdoors.

SheerGlide® is the stylish, high-performance choice for your clients who want more than just clean aesthetics from their patio doors.

Choose a door system that looks exceptional, performs reliably and helps make your work look brighter and feel warmer every day.

Why Choose Central Window Systems?
SheerGlide® aluminium inline patio doors combine slim, refined design with outstanding performance, and that deserves to be matched by expert manufacturing. At Central Window Systems, we bring Sheerline’s innovation to life, transforming precision-engineered profiles into beautifully finished, high-performance patio doors.

Our team manages every detail, using advanced manufacturing processes and strict quality control to ensure each SheerGlide® door looks exceptional, glides smoothly, and performs reliably for years to come. For installers, this means complete confidence from order to installation.
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sheerglide inline patio door
  • Performance
  • Specifications

Performance

SheerGlide® inline patio doors come with high-performance features, ideal for insulation without compromising on style:

  • Advanced Thermlock® technology
  • U-values as low as 1.4 W/m²K with double-glazing and 1.0 W/m²K with triple-glazing
  • PAS 24 modular ‘quad’ hooklock
  • TwinLock interlock, fully integrated for thermal and security performance
  • Self-levelling rolling gear with an independent bogie design for smooth operation
  • Fully thermally broken design
  • Strong, slim construction for enhanced security and performance
sheerglide inline patio door

Specifications

Sheerlines’ advanced technology benefits from a wide range of features in their newest range of patio doors:

  • Slim 92mm sash and outer frame sightlines
  • Sleek 38mm interlock
  • Two-pane configuration
  • Maximum sash weight of 220kg
  • Two-pane height range: 1.85m – 2.3m
  • Two-pane width range: 1.2m – 4m
  • 80mm continuous frame threshold
  • Clip-in glazing bead for faster installation and easier glass handling
sheerglide inline patio door

TwinLock

The patent-pending TwinLock interlock has been designed to give SheerGlide® the ideal balance of strength, style and performance. Its slim 38mm design helps maintain the clean, refined aesthetic Sheerline is known for, while its fully thermally broken construction supports both energy efficiency and security.

Fully integrated into the door system, it allows SheerGlide® to achieve excellent thermal and security performance without compromising on appearance.

Thermlock® Technology

Featuring Sheerlines’ innovative Thermlock® multi-chamber thermal design, which is cleverly concealed within the door’s slim frames. This technology creates insulating chambers that form an effective thermal break, offering better performance than traditional polyamide alternatives.

This design greatly increases homes’ insulation against the unpredictable UK weather, with SheerGlide® achieving U-values of just 1.4 W/(m²K) with double glazing and an outstanding 1.0 W/(m²K) with triple glazing.

sheerglide inline patio door
sheerglide inline patio door

Security & Locking System

Security is built into every SheerGlide® patio door we manufacture.

The system features a modular ‘quad’ hooklock, developed by hardware specialists Ingenious Locks & Hardware, to deliver reliable protection and smooth, dependable operation.

Manufactured to meet exacting PAS 24 standards, the locking system works alongside the fully integrated TwinLock interlock to provide excellent security without adding unnecessary bulk.

Why Choose Central Window Systems?

Experience Matters

With a wealth of experience and knowledge, we are a stable company who will be here to support you in the years to come.

Highest Quality

Exceptional product quality is a prerequisite at Central Window Systems. We offer the most advanced window and doors available on the market.

Professional Standards

Delivering products to you on-time, in full and in pristine condition ensuring your professional installation is completed with the support you expect from your supplier.

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