sahs windows

Sliding Sash Windows Windows

Offering three variants to encompass the demand for traditional style along with modern benefits to meet ever demanding building requirements.

Can be made from ultra strong laminated softwoods as well as a selections of sustainable hardwoods and Accoya®


sash-windowProduct attributes
  • Pre- finished Microporous water based factory applied decorative coating
  • Traditionally designed and constructed, featuring weights, prestretched nylon cords and pulleys
  • Triple weather sealed to eliminate draughts
  • Purpose made sizes and designs within standard lead times
  • Factory glazed with high performance energy efficient units, which greatly enhance insulation and improve optical clarity - Innovative bonded bar options to further promote the 'period' impression
  • Comprehensive 10 year warranty against manufacturing defects
  • Available in: A range of engineered softwood, kiln dried sustainable hardwoods or Accoya®
  • Configurations in: Traditional Cords and Weights, Spiral Balances and Tilt and Slide Spiral Balances
  • BS6375 Part 1:2004 Perfromance of windows and doors -Part 1.
  • Air permeability, Test Standard BS EN 1026: 2000
  • Watertightness, Test Standard BS EN 1027:2000
  • Wind Resistance, Test Standard BSEN 12210:2000
  • BS7950 1997 tested to clauses A.4, A.5,A.6, A.7,and A.8.
Factory Finish
  • Spray Applied Teknos Three-Part water-borne micro-porous finishing system
  • One base coat and two top coats giving satin finish
  • Available in both Tranluscent and Opaque Finishes
  • Manufactured to BS7950 Standard in Tilt and Slide Configuration
  • BS7950 Key Lockable Security Sash Lock Fitted
  • Security Tilt Latches - Security Glazed


  • Double Glazed to meet latest stringent industry standards
  • Standard Units 4-16-4 construction, Annealed Glass, Aluminium Spacer Bar
  • Fully drained and Vented Security enhanced system
  • Silicone backfilled on all sides
  • Options available, SBD spec, K swiss spacer bar, Low E Glass, Laminated Toughened, Argon filled.


  • Handles available in White, Brown, Chrome, Polished Brass, Satin Chrome and Black
  • Easy Clean and Egress Friction Hinges
  • Multi Point Espagnolette Lock



sash windowsTraditional Cords and Weights Sliding Sash Windows

For those who require a traditional ‘box’ sash, PDS offer a conservation friendly cords & weights solution. These windows are manufactured using centuries old design but with the benefit of modern materials and manufacturing techniques.

sash windows

sash windows

sash windowsSpiral Balance Sliding Sash Windows

As a modern alternative to the more traditional box sash, the spiral balance retains all the aesthetics of its forebear but by removing the ‘box’ element allows for greater flexibility in today’s construction environment.

sash windows

sash windows

sash windowsTilt & Slide Spiral Balances Sliding Sash Windows

Evolving further from the Spiral Balance Sash, the Tilt & Slide offers further enhancements such as ‘Secure by Design’ Compliance and a ‘Tilt in’ function to aid cleaning and maintenance.

sash windows

sash windows

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UK manufaturerProudly Manufactured in the UK
accoyaSustainable Accoya® wood
FSCMemberships and Accreditations