12/22/25 Cleaned all underground ductwork and furnace box. Applied trenchless spincast mortar to all underground connections and elbows. Repaired furnace box and all register vents with hydraulic cement. 12/23/25 Applied first application of duct armor to 152’ of 6” air ducts 12/30/25 Applied second application of duct armor to all underground ductwork and furnace box.