Premium Products

J-Rock Construction Inc. is an authorized Gentek dealer and installer of high quality windows and doors. 

Why settle for builder-grade windows and doors? Choose premium Gentek products for your new custom home or your renovation project. Engineered for long-lasting performance, superior energy efficiency, and exceptional curb appeal, Gentek products are built to stand the test of time.  Whether you prefer low-maintenance vinyl windows or sleek, durable aluminum windows, Gentek offers solutions to complement every style of home. Their collection also includes beautiful entry doors that enhance security and appearance, along with patio doors that create a seamless transition between indoor and outdoor living spaces.