A drill pier or helical pier Ted’s woodworking Review works for installing without compromising the integrity of the concrete in that they are not a push pier installation but are limited to the depth they can achieve but are still a better alternative. The main focus should be on proper maintenance regimens after the repair to help keep the moisture content more stable after the repair is done.Re-shimming the crawlspace should be done with steel shims as they will not compress or rot. Solid concrete blocks should be used in lieu of cinder blocks. Engineers do not like to see concrete cylinders unless they are poured in place band are reinforced with rebar.Dirty air can affect you and your family's health and as such, it is important to ensure that the quality of the air inside one's home is clean and free from pollutants. Pollutants however can come from several sources such as indoor activities like cooking and outdoor activities such as gardening. However, one place that is often neglected by homeowners is their air ducts. Air ducts can accumulate dust particles over time and with little to no cleaning can cause problems. Below are just some situations when it is time to clean it. https://diethours.com/teds-woodworking-review/