 You should always consult your financial and tax professional. They're a great group. Summer heat wreaks havoc on your home's foundation and concrete. Terra Firma Foundation Systems wants you to know soils dry and contract. That can cause shifting, pulling, sinking and pressure on your home's foundation and concrete patios and driveways. These issues only get worse and more costly over time. Terra Firma can help. Terra Firma keeps homes safe, dry and stable.