QVB Mineral Wool Rainscreen Barrier
Description

Cavity fire barrier for rainscreen cladding applications that maintains a ventilated cavity.

No chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs) are involved in the manufacturing process of the rockfibre mineral wool insulation. The material presents no known threat to the environment and is classed as Ozone Depletion Potential (ODP) and Global Warming Potential (GWP) zero.

Features and benefits:

  • Provides a 25 mm airspace behind rainscreen cladding.
  • Foil faced to provide a smoke barrier.
  • Available to suit cavity widths from 75–300 mm.
  • Manufactured in the UK.
  • Expected to last the lifetime of the building.

Standards and approvals:

  • Up to two hours' fire rating.
  • Tested in accordance with BS EN 1363-1: 1999.
  • Green Guide rating of A+.
  • Fire classification of Euroclass A1 as defined in BS EN 13501-1.
  • Conforms to BS EN 13162 and EN 16001 Energy Management Systems.

Application/ installation:

The Quelfire Fixing Spike is fitted to the external surface of the inner blockwork, onto which the QVB Rainscreen Barrier is then impaled. A Quelfire Spacer Spike is fitted to the external surface of the QVB Rainscreen Barrier below the intumescent strip. The Spacer Spike ensures the 25 mm airspace is maintained along the length of the fire break.

It is not recommended that the packs are stored in direct sunlight. When storing the barriers for longer periods of time, it is recommended that the product should be stored indoors, or under cover.

General information

Size

Length: 1200 mm

Depth: 100 mm

Uniclass 2015

Pr_25_80_80_44 Intumescent sleeved mineral wool cavity fire barriersPrimary

CAWS

P10/435 Ventilated cavity barriers

P10/77 Ventilated cavity barriers

Specification data - Intumescent sleeved mineral wool cavity fire barriers

Product Reference

QVB Mineral Wool Rainscreen Barrier

Type

QVB75

Width: 50 mm; suitable for cavity width: 75 mm.

QVB85

Width: 60 mm; suitable for cavity width: 80 mm.

QVB100

Width: 75 mm; suitable for cavity width: 100 mm.

QVB125

Width: 100 mm; suitable for cavity width: 125 mm.

QVB150

Width: 125 mm; suitable for cavity width: 150 mm.

QVB175

Width: 150 mm; suitable for cavity width: 175 mm.

QVB200

Width: 175 mm; suitable for cavity width: 200 mm.

QVB225

Width: 200 mm; suitable for cavity width: 225 mm.

QVB250

Width: 225 mm; suitable for cavity width: 250 mm.

QVB275

Width: 250 mm; suitable for cavity width: 275 mm.

QVB300

Width: 275 mm; suitable for cavity width: 300 mm.

Standard product features

Size:

  • Length: 1200 mm.
  • Depth: 100 mm.

Thermal conductivity (insulation):

0.035 W/m·K.

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