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
For more information about this product, please speak to your local Galaxy Branch. For latest datasheets, please refer to manufacturers website.