Utilize duct tape or masking tape to any weeping seams, holes or porous regions. This will halt any Gas Tank Sealer from oozing out, and will permit it to bridge around the opening. Plug the outlet ports with putty or Participate in-Doh. The quantity of fire rated duct insulation essential https://fireresistantductworthisn91233.pages10.com/not-known-facts-about-fire-resistant-ductworth-isntallers-71757812