INVOLUTE® Multi Point Locking System

Different from the average manufacturers who only use single-point locks, Bear Windows and Doors Premium Vinyl Windows only have the enhanced security multi-point lock system.

Product features

  • Action is lever-activated
  • Smooth operation

Product specs

  • Tested for endurance for upto 20,000 open-close cycles
  • Tested with Neutral Salt Spray for a minimum of 1,000 hours (powder-coat version)


  • Standard finish is in white
Are you searching for a handsome, durable patio door without having to break the bank? Bear Windows and Doors has your answer – buy factory direct from us and make huge savings. Getting a new or replacement Vinyl Patio Door cost effectively has never been easier thanks to Kindly give your details through our online contact form, or give us a call at 1-888-470-2645 and take advantage of our Patio Door Special monthly promotion.