Common Mistakes to Avoid in French Drain Installation - Guardian Foundation Repair When we plan to buy a house, we generally talk about if there is leakage in crawl space, so french drain can be the perfect answer for your questions. French drain is the best and most popular method if it is installed correctly. So here are the steps on which mistakes you should avoid while doing french drain installation. Guardian Foundation Repair is the best in installing and repairing French Drains in Knoxville and other surrounding areas for years. Read our article to know more about how to avoid the mistake when installing french drain. https://bit.ly/3cGOPeE #foundationrepair #frenchdrain #frenchdrains #frenchdrainage #frenchdrainsystem #frenchdraininstallation #frenchdrainrepair