Malco’s Fiberglass Duct Board Washers help to reinforce sheet metal components to fiberglass duct. Use with #8 screw for fastening components.
Features:
For use with wire-reinforced ductboard
Use with #8 screw for fastening sheet metal components to fiberglass duct
Volcano washers seat flush to ductboard surface
Washers are available with or without pre-applied Malco seals
Washers with pre-applied seals (FLWS) are fast installing and assure a proper seal around hole puncture and wire reinforcement to prevent air leakage and whistling
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.