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Bi-Folding Doors Manufactured and Supplied Southampton

Senior Architectural Systems and Smart Systems Aluminium ranges

SRL Ltd’s Bi-Folding Doors Southampton are made from Senior Architectural Systems and Smart Systems Aluminium ranges, which ensure durability in all kinds of weather, long life, a modern look and high heat and sound insulation levels. SRL can offer aluminium bi-fold doors up to 4 metres high in any combination, which few companies can match, from our base in Greater Manchester.

Aluminium bi-folding doors features:

  • 70mm slim-line frame profile; just 60mm wide vent profile
  • Up to 6 metres wide as standard. (if you require wider widths please contact our office)
  • Floating sliding mullions provide stability for easy glide operation
  • Polyamide thermally-broken aluminium profile
  • Multipoint security locking on main door and shoot bolt locking on intermediate stiles
  • 32mm internally glazed sealed units, for increased security
  • Virtually maintenance free
  • All doors are made to measure
  • Tested to PAS24:2012 Enhanced Security, BS6375 Part 1 Weather, BS6375 Part 2 Operation & Strength, BS6375 Part 3 Annex A. Exact performance varies depending on the configuration. Please contact our Technical Department for further information
  • Able to receive double or triple glazing up to 48mm for maximum thermal and acoustic performance
  • U-Values as low as 1.19 W/m2K when calculated as a CEN Standard door

Optional Features:

  • Aluminium Bi-fold doors can open-in or open-out
  • Standard frame or low threshold and various sill options
  • Wide scale of RAL and BS powder coating finishes; anodised and polished finishes available
  • Single and dual colours available
  • Glazing – choice of toughened, laminated, anti-sun, Georgian grill or unglazed etc...
  • Choose from a choice of colours for handles and spacer bars
  • Slides left or right, or split to fold left and right on opening
  • 3, 4, 5, 6 and 8 panels with various opening options as standard


Visofold is a unique slide-and-fold dual-hollow aluminium system. The doors which sit in a rebated frame have an external curved shape with internal beading. Bottom wheels and top glider are safely concealed within a dedicated floating mullion with the door leafs being joined by a butt type knuckle hinge. Visofold doors are suitable for domestic and light, medium and heavy-duty commercial applications.

For more information on Bi-Folding Doors in Southampton please contact the friendly team at SRL LTD today to discuss your requirements.

Secured by Design


PDFPure Door Systems

PDFAli FOLD Folding Sliding Door Datasheet

PDFAli FOLD Single Double Door Datasheet

Shop Fronts Southampton

Shop front manufacture and installation

Shop front manufacture and installation is a specialized service within the field of commercial architecture and construction.

Fully accredited
Quick turnaround
Our location

Unit 1 The Old Dairy, Hill Street, Ashton-Under-Lyne, Lancashire, OL7 0PZ

Phone contact

0161 343 6253