기능

• Not only cables, but also a wide range of penetrating objects such as PF pipes, refrigerant pipes, corrugated rigid synthetic resin pipes, and flexible metal conduit pipes.
• Can be used for various structures such as single walls and extrusion cement boards.
• It can be used on both walls and floors, so there is no need to use it in different places.
• Can be constructed with or without floor sleeves.
• It is a simple construction just by packing a fireproof block.
• Since it is one-sided construction, labor saving is possible.
• Halogen free so no harmful substances are generated.
• You can reconstruct it just by refilling the fireproof block.