Smoke seal for insulated metal pipe (up to 324mm) through a concrete wall. Protecta FR Acrylic 25mm any position. Seals from smoke in both directions. Max aperture 300x300mm or 504mm diam with mineral wool as backing to hold sealant.
System ID #: 415
Max Fire Rating: 180
Max Thermal Rating: 180
Size: Steel up to 324mm
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