기능

• Since a block dedicated to bus duct is used, the thickness to fill is small and 50 mm is required.
• 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.
• Since no tools are required, it can be constructed safely.
• Since it is halogen-free, no harmful substances are generated.
• You can reconstruct it just by refilling the fireproof block.