A range of sliding doors that are suitable for creating very large sashes.
Ultraglide can be used in private residential properties that require maximum glass area coupled with maximum opening apertures, such as access to swimming pools and orangeries.  It can also be used commercially in applications similar to car showrooms it can create wide opening apertures for vehicle access. Profiles are designed with a robust but contemporary styling with attractive square edge sections.

  • Large Polyamide thermal break provides superior thermal performance.
  • Available in dual colour from a wide range of standard and non-standard finishes.

All Visofold profiles feature a polyamide thermal break that enhances the thermal performance of the profile and improves the overall U-Value. Profiles feature EPDM high quality gaskets and weather brushes to aid weather resistance. Visofold complies with the requirements of Building Regulations Document L 2010. Security is assured by multi-point lock mechanisms on main opening sashes, and shoot-bolt locking on floating mullions.

All Visofold doors have the option of either low thresholds for unimpeded, easy access, or rebated thresholds that offer improved weather resistance. Visofold doors are available in a choice of standard or non-standard colours, including metallic, wood-structure, dual colour and Smart’s unique Sensations range of textured finishes.




Aluminium Polyamide

Dual Colour


Thermally Broken


NBS Available


Document L Compliant




Sliding Door Max Width (mm)

Within height and weight limitations

Sliding Door Max Height (mm)

2500mm (sash)

Sliding Door Max Weight (kg)


Glazing (mm)

38mm double or triple glazed units

Frame Depth (mm)


Typical Sightlines (mm)

117mm (OF) 83mm (Interlock)