Rollpro shutters are made from superior strength roll-formed aluminum with a high density, polyurethane core. In addition, unique safe guide rails/slat sill block access to the hardware. It is a one-time application that is easy to maintain, convenient to operate and used at homes, cottages, businesses and schools for features like: Stops break-ins and theft Eliminate costly business interruptions Reduce the risk of moisture condensation on your windows Save you money on glass replacement Reduce insurance costs Save money on expensive heating and cooling costs Harmonize with your building exterior CALL OR EMAIL for a FREE QUOTE... sales@rollpro.ca | Tel/Fax: 905-532-0017 | Mob: 647-879-2359