Are you familiar with the regulations regarding residential sleeves? "Non-combustible inclined sleeve"

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last updated：Jul 06, 2020

フジモリ産業

Fire-resistant and quasi-fire-resistant buildings, as well as sleeves for ventilation in quasi-fire-resistant specifications, are required to be non-combustible according to laws and related administrative regulations!

The "Non-combustible Inclined Sleeve" is an external through sleeve made of high corrosion-resistant galvanized steel plate, suitable for areas where non-combustibility is required. It can prevent the intrusion of fire into the wall structure. Additionally, it features a square flange, making installation and waterproofing treatment easy. Furthermore, by incorporating an incline in the main body, it prevents water from entering the indoor side. We also offer "Fujia Duct M" and "FADM Sleeve," which comply with fire prevention regulations for kitchen exhaust applications and are certified by fire safety evaluations. For regulations related to sleeves, please contact us! 【Features】 ■ Can be used in areas where non-combustibility is required ■ Prevents the intrusion of fire into the wall structure ■ Made of high corrosion-resistant galvanized steel plate ■ Excellent corrosion resistance ■ Accurate and easy waterproofing treatment during installation

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basic information

【Construction Procedure】 1: Open an opening at the installation position of the ventilation hood. 2: Insert the non-combustible sloped sleeve into the opening from the outside according to the orientation of the upper mark, and secure the corners of the square flange with screws to plywood or similar material. 3: Apply waterproof tape to all four sides of the square flange of the non-combustible sloped sleeve (in the order of bottom side → side sides → top side). *For more details, please refer to the PDF document or feel free to contact us.