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Slab leak detection service call. Televised ducts under slab floor. Ducts are galvanized corrugated ducts that are showing signs of heavy rust. Suggest spin cast mortaring then spray lining with Duct Armor duct lining material.
Televised ducts in bedroom where there is reduced airflow. Identified blockage at the ceiling level of the basement. Basement ceiling needs to be opened to expose the duct in order to clear the blockage.
Televised ducts under slab floor. Ducts are galvanized metal and had water throughout system. The water appears to be ground water. Suggest installing sump pit and pump tp control wate level, then spin cast mortaring ducts to restore structure then spray line with Duct Armor duct lining material.
Lined sewer from outside clean out through a 12 foot section under shed, that couldn’t be trenched.
We did a video inspection of underground air ducts for a customer who had restricted airflow to a few register, we found a few areas where the metal couplings used to connect the concrete/ transite pipes were completely rusted out and collapsed allowing the back fill under the slab to fall into the duct work and restrict the airflow.
Televised underground duct work found the metal corrugated pipe was rusted out and weak, we trenchless cast a new concrete pipe inside the existing rusted out metal to restructure the pipe. We then applied two applications of our duct armor product to seal the system leaving a more efficient and clean air flow.