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// CODE SNIPPET

510.9.1 Duct Joints

2017 FBC - Mechanical, 6th edition > 5 Exhaust Systems > 510 Hazardous Exhaust Systems > 510.9 Duct Construction > 510.9.1 Duct Joints
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Ducts shall be made tight with lap joints having a minimum lap of 1 inch (25 mm). Joints used in ANSI/SMACNA Round Industrial Duct Construction Standards and ANSI/SMACNA Rectangular Industrial Duct Construction Standards are also acceptable.

Related Code Sections


510.8.1 Exhaust Systems, Duct Joints
Ducts shall be made tight with lap joints having a minimum lap of 1 inch (25 mm). Joints used in ANSI/SMACNA Round Industrial Duct Construction ...
2014 FBC - Mechanical, 5th edition > 5 Exhaust Systems > 510 Hazardous Exhaust Systems > 510.8 Duct Construction > 510.8.1 Duct Joints
510.9.1 Exhaust Systems, Duct Joints
Ducts shall be made tight with lap joints having a minimum lap of 1 inch (25 mm). Joints used in ANSI/SMACNA Round Industrial Duct Construction ...
2017 FBC - Mechanical, 6th edition > 5 Exhaust Systems > 510 Hazardous Exhaust Systems > 510.9 Duct Construction > 510.9.1 Duct Joints
510.9.1 Exhaust Systems, Duct Joints
Ducts shall be made tight with lap joints having a minimum lap of 1 inch (25 mm). Joints used in ANSI/SMACNA Round Industrial Duct Construction ...
2020 FBC - Mechanical, 7th edition > 5 Exhaust Systems > 510 Hazardous Exhaust Systems > 510.9 Duct Construction > 510.9.1 Duct Joints
506.3.2.1 Exhaust Systems, Duct Joint Types
Duct joints shall be butt joints, welded flange joints with a maximum flange depth of 1 / 2 inch (12.7 mm) or overlapping duct joints of either ...
2017 FBC - Mechanical, 6th edition > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506.3 Ducts Serving Type I Hoods > 506.3.2 Joints, Seams and Penetrations of Grease Ducts > 506.3.2.1 Duct Joint Types
506.3.2.1 Exhaust Systems, Duct Joint Types
Duct joints shall be butt joints, welded flange joints with a maximum flange depth of 1 / 2 inch (12.7 mm) or overlapping duct joints of either ...
2014 FBC - Mechanical, 5th edition > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506.3 Ducts Serving Type I Hoods > 506.3.2 Joints, Seams and Penetrations of Grease Ducts > 506.3.2.1 Duct Joint Types
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