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Silverliner® Ventilated Open State Cavity Barrier

Third party certifications:
  • QA Certificate

    Certificate type

FSi Limited

Ventilated, open state cavity barrier.

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+44 (0)1530515130 www.fsiltd.com
Application

Suitable for use in irregular applications, including:

  • Historical building upgrades.
  • Voids up to 450 mm wide.
  • Rigid and flexible walls of 100 mm minimum thickness.
  • Floors of 150 mm minimum thickness.

Description

Ventilated, open state cavity barrier with a black encased intumescent edge. Can be fully encased. Developed to protect voids between the outer facade and the inner construction element of the building. Leaves up to a 50 mm gap to ensure movement of air and moisture.

Features and benefits:

  • The integrated aluminium foil facings provide class ‘O’ rating and high resistance to smoke.
  • Resilient lateral compression ensures a tight fit.
  • Single component.
  • High speed, easy installation with minimal waste.
  • No Volatile Organic Compounds (VOCs).
  • No curing time is required.
  • Low maintenance system with long life.
  • Moisture and weather resistant.
  • Sustainable, and contributes to green building.
  • Life expectancy of over 25 years.

Applications:

Suitable for use in irregular applications, including:

  • Historical building upgrades.
  • Voids up to 450 mm wide.
  • Rigid and flexible walls of 100 mm minimum thickness.
  • Floors of 150 mm minimum thickness.

Conforms to/ approved by:

  • EN 13501-1.
  • DIN 4102 B2.
  • ASFP Open State Cavity Barrier Test TGD 19.

Brackets should be positioned at 300 mm and 700 mm, and must be fixed to the rigid structure using no combustible fixings. A minimum of two brackets should be used per 1200 mm length.

Consult manufacturer to view performance data in different applications.

General information
Specification data - Mineral wool slab insulation
Product Reference

Silverliner® Ventilated Open State Cavity Barrier

Width

30–450 mm. Consult manufacturer and insert requirements.

Standard product features

Type:

Silver, foil wrapped.

Length:

1000 mm

Thickness:

75 mm.

Fire resistance (to BS 476:22 - 20/22, DIN 4102 B2 ASFP Open State Cavity Barrier Test TGD 19):

60 minutes, 30/30.

Technical characteristics:

  • Closure time: >5 minutes.
  • Activation: Intumescent material is activated at approximately 180°C.
  • Expansion volume (ETAG 026): 25 times material thickness (1.4 mm would expand to 30 mm).
  • Expansion pressure (ETAG 026): 0.7 N/mm² (approximately).
  • Density (ISO 2811-1:2011): Mineral fibre: 80 kg/m³; intumescent: 1.3 g/cm³.
  • Open void size: 25–50 mm.
  • Sag: 0%.

Literature
Third party certifications
  • 087 : Product Certification
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