We are cleaning all the underground duct work, applying our trenchless cast mortar to all rusted metal duct, and applying two applications of our duct lining material to all the underground duct work.
We are applying the first application of our rubberized duct lining material to all of the heavily rusted metal underground duct work.
We are cleaning all the underground duct work and applying our trenchless cast mortar to all the underground duct work in preparation for spray lining the entire underground air duct system with our duct lining product.