Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2020 08/14/2020 - 14:25 5.0105.1d Duct board to duct board

Cut duct board edges to create an overlapping joint on all contact surfaces

Fasten joints with outward clinching (stitch) staples spaced every 2"

Cover joint with UL 181 rated mastic embedded fiber tape and additional mastic that laps at least 1" past the edges of the tape on all sides

Durable and sealed joints

Black Line
Version 2020 08/14/2020 - 14:25 5.0105.1d Duct board to duct board

Cut duct board edges to create an overlapping joint on all contact surfaces

Fasten joints with outward clinching (stitch) staples spaced every 2"

Cover joint with UL 181 rated mastic embedded fiber tape and additional mastic that laps at least 1" past the edges of the tape on all sides

Durable and sealed joints

Black Line