Get $15 OFF* Over $100, Code: HPMW

Online since 2002 |   866-316-0162

View product option

Cardinal Gates The Patio Door Guardian Lock

This item has been permanently discontinued by the manufacturer.

Cardinal Gates The Patio Door Guardian Lock effectively secures and childproofs sliding patio doors in homes and balcony doors in apartments or condos. It is created with home security in mind and is ideal for childproofing and preventing children from leaving home unattended. This lock allows you to lock the door with a three-inch gap for ventilation.

Features of Childhood Sliding Door

  • Ideal for home security and childproofing
  • Easy to install
  • Resists forced entry
  • Allows for ventilation without sacrificing security
  • Works on vinyl, aluminum, or wood sliding doors
  • Recognized as “one of the best new child safety products” by the National Safe Kids Campaign in Washington, D.C.
  • It works double duty as both a security device and as a childproofing lock

What to buy with Guardian Patio Doors

How to install Patio Door Guardian?

  • Slide the door to a fully opened position. 
  • Apply the keeper into the top track in an approximate final position and slide the door back and forth to ensure that the keeper will not interfere with the door movement
  • Place lock on door stile to ensure proper handling for your application
  • Place the lock on the door stile and measure the distance between the oblong screw holes and the edge of the door stile pr frame edge on the glass side
  • Place the lock on the door stile and determine if the lock is wider than the door frame edge. If it is not, no adjustment is necessary. if your lock is wider than the door frame, it will be necessary to use the shims that are included with your lockset. Determine if one or two shims are necessary and proceed to the mounting instructions
  • Place assembly, including any shims necessary on the door, leaving 1/16 inch clearance between the face of the lock pin and the keeper. Mark the position of pilot holes in the door stile and pre-drill using a 3/32-inch drill bit. Mount locks securely in position. 

Patio Door Guardian Lock User Manual

Product Videos

Related Articles


{{x.ShortDescription}} ...


Customer Reviews

More Cardinal Gates Child Safety Products

Please enter your and your friends email address below.

Fields marked with * are compulsory

Your Name*
Your Email Address
Friend's Name*
Friend's Email Address
The selected product information along with Reward Dollar coupon code has been successfully emailed to you and your friend.

Thank you for using