Whisper-Lock Seam Closer is available in the horizontal or vertical and close pittsburgh seams.Pittsburgh joint is commonly used to join the acomplished by manually hammering the margin of the seam against the duct wall(peening). It is suitable for plates of different thickness.To some extend,it can produce any size duct.
Whisper-Lock Seam Closer is available in the horizontal or vertical and close pittsburgh seams.Pittsburgh joint is commonly used to join the acomplished by manually hammering the margin of the seam against the duct wall(peening). It is suitable for plates of different thickness.To some extend,it can produce any size duct.
