How Long Will It Take To Install Shutters in Kingsport? The entire plantation shutter process, beginning with your starting consultation through installation, will take about four to six weeks on average. The reason it takes this long is because we strive to build 100% custom shutters for your windows. Doing that requires us to take precise measurements, make use of sophisticated software to design them, assemble your custom shutters by hand, and get them to your home for installation. Wood shutters typically take longer than Polywood due to the added steps of staining and finishing the wood.It does take a little time, but it’s an investment that’s definitely worth it.