With the right maintenance, you can extend the overall life of your siding. However, there are a few things that you can do regularly to extend the life of your siding.nInspect your siding every so often and make sure there are no boards that need to be repaired.nUse an oil-based primer on the back of the siding and if moisture starts to build up the primer will keep the siding from warping.nLeave a one-inch gap between siding ad roofing on your home to allow for expansion and shrinking.nFollow the instructions when you are installing the boards. If you install the boards wrong, you can cause the life of the siding to shorten because of defects.