KB Duct offers a complete line of accessories for all your ducting needs. From floor sweeps, gaskets, hose clamps, hoses, rain caps and all the accessories you need to complete your ducting project.
Flanges are one-piece construction; opening minimum is 4” larger than diameter of duct; made to fit pitch of roof. Standard sizes from 8” through 48”. Larger sizes quoted on request. Roof Flanges should be ordered by duct size and roof pitch.