4551 VARI-SLIDE SLIDING GLASS DOOR SYSTEM

Timeless Design | Monumental Strength

The 4551 Vari-Slide™ marries thermally-broken engineering with narrow profiles, flush sills, and limitless layout freedom. Multiple large telescoping panels pocket or stack to erase boundaries and frame uninterrupted vistas—perfect for modern coastal homes, desert retreats, and resort villas.
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Defining Features

  • Thermally-Broken Aluminum Construction i Aerospace-grade billets paired with precision polyamide struts slash heat transfer and condensation.
  • Concealed Slim-Trac™ System i A flush 1" floor track keeps interiors level while maintaining clean, unobstructed sightlines.
  • Flush Sill i Sits level with flooring inside and out while integrating a draining sill pan.
  • Flush Hardware i Flush pulls with finger-touch actuation paired with a maximum-security laminated deadlock.
  • Fully Customizable i Options available for secondary locks, motorization, 1" stiles, and more.

Inspired Configurations

  • Up to 8 Panels in Each Direction i Configure expansive openings with any number of sliding or pocketing panels.
  • Multi-Slide · Pocketing · Corner Assemblies i Create dramatic, unobstructed corners that open fully without a post.
  • Large Panel Sizes i Up to 84” maximum width and up to 144” maximum height.

Curated Luxury Options

  • Custom Angle – Inverted Corner Assemblies i Custom-angled inverted corner assemblies that open living spaces by removing visual barriers and creating expansive, unobstructed corner views.
  • Curved – Radius Assemblies i Curved and radius assemblies that soften architectural lines and create fluid transitions between interior and exterior spaces.
  • Premium Finishes i Offered in Dark Bronze Anodized, Clear Anodized, or any custom Kynar® color.
  • Glass Packages i High-performance low-e, laminated; acoustic, security/impact.
  • Custom Pulls & Locks i Choose from our proprietary flush locking assembly, keyed or keyless electronic access, or concealed flush locking system.
  • Panelized Insect Screen i Interior placement keeps it clean and protected.
  • Thin-Stile Intermediates i Select standard or thin intermediate interlock stiles.
  • Motorization and Home-Automation Integration i Select motorization and E-lock fabrication options for modern home-automation systems.

Custom Craftsmanship

Every Vari-Slide™ system is built here in Palm Desert, ensuring precision, quick turnaround, and quality in bespoke projects. Our design team collaborates with architects, builders, and homeowners to tailor panel sizes, finishes, and performance packages to each space.

Precision-Bearing Glide Options

All roller systems are fully adjustable and fabricated from marine-grade stainless steel for enduring coastal resilience.

1.5" Tandem EZ-Glide in 2.75" bottom rail

  • ✔ 1.5" diameter wheel = 5,500lb panel
  • ✔ Precision bearing components reduce operating force
  • ✔ Stainless steel wheel and housing

1.8" Tandem Super-Glide in 3.50" bottom rail

  • ✔ 1.8" diameter wheel = 7000lb panel
  • ✔ Certified performance for effortless panel operation over time
  • ✔ Stainless steel wheel and housing

1.8" Quad assembly in 3.50" bottom rail

  • ✔ AAMA certified for up to 13000lb panels
  • ✔ Reduced rolling resistance and smoother, quieter operation
  • ✔ Stainless steel wheel and housing

Slide beyond limits with the 4551 Vari-Slide™ Sliding Glass Door.

Hand-crafted in Palm Desert, admired worldwide.

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