MCRMA Publishes Guidance Document on Cavity Barriers

Fire in a roof - cavity barriers

THE METAL CLADDING and Roofing Manufacturers Association (MCRMA) has published a new Guidance Document GD36 Cavity barriers for ventilated rainscreen façades.

Cavity Barriers

Most modern buildings contain a multitude of concealed cavities and voids within or passing through walls, floors, ceilings and roofs. Effective fire stopping and cavity barriers are essential to restrict the spread of smoke or flames, and to maintain compartmentation. Cavity fire barriers are an essential element of fire protection.

This guidance document from MCRMA sets out to consider the key questions about cavity barriers and offers guidance for their correct specification.

The document explains the difference between a fire stop and a cavity barrier; examines the regulations for the various parts of the UK and gives installation recommendations.

The document is available for download on the MCRMA website.

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