Dublin Sash Systems is a web-based, mail-order supplier of window jambliner products. Those products include vinyl jambliners customized for any window, window balance systems fit to the jambliners, and complete weather-stripping packages. Complete instructions and support are provided with the kit. The kit allows you to improve the energy efficiency of your existing windows and replace the old deteriorated balance systems (i.e. weights and pulleys, aluminum channels etc.). The kits can be installed by home-owners or contractors using basic shop tools: table saw and table router.