The current primary drain line on the exterior of the house. Is not properly insulated insecure to the house. ————————————————————- Recommendations. 1. Exterior of the house replaced the PVC. 2. Rebuild the PVC drain lines on the exterior of the house secured. 3. PVC three-quarter inch install to the French drain outside existing put pipe at least 2 inches inside the French drain. 4. The PVC will have UV rating armor flex on the exterior of the house. To give it insulation covered so it doesn’t freeze up in cold winter times. 5. Once PVC is totally installed will test run the drain lines to make sure drainage is good. Will pour several gallons of water down the primary drain line.