NBS Source
I'm a manufacturer
Compare variants

Index Contract Bi-fold System - Bi-Folding Door

Verified by manufacturer 2 days ago

Triple Glazed

Sheerline Variant:
Product certifications:
  • BSI Kitemark

    BSI Kitemark

    Certificate type

  • Qualicoat approval

    Qualicoat approval

    Certificate type

  • Secured By Design

    Secured By Design

    Certificate type

  • BSI Kitemark

    BSI Kitemark

    Certificate type

Streamlined bi-folding doors.

Jump to:
01332 978000 Website

Application

Suitable for high volume retain and contract work.

Description

Index Bi-folds are Part L compliant, able to achieve a double-glazed U-value of 1.4 W/m²K which easily achieves compliance for new homes and non-dwelling commercial projects. Index combines Sheerline innovation with a streamlined product offering to maximise efficiency.

Features and benefits:

  • Quality combined with exceptional value.
  • Double glazing and triple glazing options.
  • Thermlock® technology offers almost double the insulation when compared to polyamide. 
  • Bespoke locking.
  • Bespoke VBH hardware.
  • Consistent 134 mm sightline between sashes.
  • Pre-gasketed clip-in beads remove the need to wedge the gasket or mill beads.
  • Available as standard in three colours: HIPCA gloss white, anthracite grey and jet black.
  • Other colours and foil lamination available to minimum order quantities.
  • Compatible with the majority of the Prestige bi-fold ancillaries.
  • PAS 24 accreditation as standard and optionally Secured by Design certified.
  • Part L compliant.
  • Made in Britain.

General information

Color

Grey

Black

Brown

Cream

White

Show more

Finish

Powder-coated

Matt

Gloss

Metallic

Satin

Show more

Material

Aluminium

Glass

Shape

Rectangle

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

25 year

Guidance for specification option:

Powder-coated finish, thermlock performance and profile integrity.

Ten year

Guidance for specification option:

Gasket integrity.

Other

Guidance for specification option:

Bespoke guarantee for marine specific locations and bespoke colours. Consult manufacturer for details.

Uniclass

Pr_30_59_24_81 Sliding folding doorsetsPrimary

CAWS

L20/55 Doorsets

L20/520 Sliding doors

Specification data - Sliding folding doorsets

Grade

External.

Configuration

-

Manufacturer guidance

Consult manufacturer for details and insert requirements.

Opening

-

Manufacturer guidance

Consult manufacturer for details and insert requirements.

Track system

Upper and lower rollers.

Door leaf

-

Construction

Aluminium.

Size

-

Manufacturer guidance

Insert requirements.

  • Minimum (width x height): 700 x 2000 mm.
  • Maximum (width x height): 3000 x 2300 mm.
  • Maximum sash size (width x height): 1000 x 2200 mm.

Finish

Powder-coated, anthracite grey, RAL 7016, matt.
Powder-coated, pure white, RAL 9010, gloss.
Powder-coated, hipca gloss white, RAL 9910, gloss.
Powder-coated, jet black, RAL 9005, matt.
Powder-coated, cream, RAL 9001, matt.
Powder-coated, agate grey, RAL 7038, matt.
Powder-coated, squirrel grey, RAL 7000, matt.
Powder-coated, pastel turquoise, RAL 6034, matt.
Powder-coated, chocolate brown, RAL 8017, matt.
Powder-coated, silver metallic effect.
Powder-coated, mid bronze metallic effect.
Powder-coated, black metallic effect.
Black cherry, laminated foil wood effect.
Golden oak, laminated foil wood effect.
White, laminated foil wood effect.
Irish oak, laminated foil wood effect.
Anthracite grey, laminated foil wood effect.
Black brown, laminated foil wood effect.
Chartwell green, laminated foil wood effect.
Bespoke.

Guidance for specification option:

  • Bespoke powder-coated colours available in matt, satin, gloss or textured finishes.
  • Bespoke laminated foil colours available to meet project requirements.
  • Consult manufacturer for details and insert requirements.

Operation

Manual.

Hardware

5-hook locking.

Accessories

-

Manufacturer guidance

Consult manufacturer for details and insert requirements or omit.

Threshold

Not required.

Clip-on cill (SA033).

Sightline

Outer frame/ sash, 108 mm.

Glazing

44 mm triple glazing.

Whole window U-value

1.0 W/m²K.

British Fenestration Rating Council Window Energy Rating

A.

Glazing bead

Pre-gasketed clip-in beads.

Watertightness

Class 7A.

Air permeability

Class 4.

Wind resistance

Class A3 (1200 Pa).

Security

To PAS 24.

To PAS 24 and Secured by Design certification.

Manufacturer guidance

  • PAS 24 accreditation as standard. 
  • SBD (Secured by Design) option available.

Sustainability data

Country of product manufacture

United Kingdom

Material

Aluminium
Glass

Product certifications

BSI Kitemark

BSI Kitemark

Prestige Doors BS 4873/PAS24

Qualicoat approval

Qualicoat approval

Qualicoat Seaside Class Powder Coating

Secured By Design

Secured By Design

Secured By Design

BSI Kitemark

BSI Kitemark

Sheerline ISO 9001:2015

Literature

Sheerline Guarantee

Sheerline Guarantee

Sheerline Specification Guide

Sheerline Specification Guide

Index Contract Bi-fold System Data Sheet

Index Contract Bi-fold System Data Sheet

Similar products from Sheerline

Bi-fold System Folding Sliding Door - Bi-Folding Door

Bi-fold System Folding Sliding Door - Bi-Folding Door