Smoke seal for metal or alupex pipe through a concrete wall (steel to 219mm, copper to 54mm, alupex to 75mm). Protecta FR Acrylic 25mm any position. Aperture up to 300x300mm with mineral wool backing to hold sealant. Protects from smoke from both directions.
Fire rating: 240
Thermal rating: -
Size: Steel to 219mm, Copper to 54mm, Alupex to 75mm
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