Apply duct tape or masking tape to any weeping seams, holes or porous regions. This could quit any Fuel Tank Sealer from oozing out, and allows it to bridge about the opening. Plug the outlet ports with putty or Perform-Doh. Smoke leakage (S): The duct shall not have a leakage https://fire-resistant-ductworth91233.blogsuperapp.com/37185134/top-guidelines-of-ductworth-installation