AIM Open State Cavity Barriers

The role of a cavity barrier is to prevent the spread of fire and smoke throughout a buildings unseen voids. AIM’s open state cavity barrier manufactured from Rockwool stone wool is faced with intumescent material allowing for a 25mm and 44mm open airspace cavity. The residual airspace allowing airflow throughout the façade cavity but in the unfortunate event of a fire, the intumescent strip expands producing a vigorous cavity barrier. This product in the correct system will offer up to 120 minutes of integrity and insulation performance.

*Always Refer Back To The Manufactures Specification Document

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