Important Areas of Pool Fences to Be Inspected During Swimming Pool Fencing Maintenance Whatever safety devices you have in your home, it is recommended that they are checked at least twice in a year for any kind of flaw or defect so that they can be traced and resolved. This will not just keep you free from stress, but at the same time, will also help you keep the device working perfectly for you and one such device or installation is the swimming pool fencing.