Televised ducts under slab floor. Ducts are both PVC and metal with gaps at the joints where the fittings are where radon gas could be entering into the pipe. Suggest spray lining with Duct Armor duct lining material to encapsulate PVC pipes and seal join
Televised ducts under slab floor. Ducts are spiral wound metal that is slightly rusted. Plenum is rusted and has water standing in it. Downspouts need to be extended all around house. After taking care of the water issues the ducts should be spray lined with Duct Armor duct lining material.