Den Defenders Security Doors has been serving the greater San Jose, CA area since 2002. Our fully stocked screen shops-on-wheels can repair or replace window screens and screen doors on-site. We also offer security screen products to cover every part of your home. Vista stainless steel security screens protect the windows, Viewguard and Titan Security Screen Doors cover the entry or any man door. Our Sliding Security Doors from R.Lang allow airflow with security for your patio sliding door.