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Lock-n-Block Door Gate

  • Lock-n-Block Sliding Door Gate from Cardinal Gates
  • Lock-n-Block Sliding Door Gate is the only sliding glass door gate on the market today
  • Lock-n-Block Sliding Door Gate
  • Patent pending design is simple to install and easy to use
  • Door conveniently  swings in or out
  • from Cardinal Gates
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Product Description

The Lock-n-Block Door Gate is designed specifically to be used with sliding doors.   Now you can still get a fresh breeze from outside and keep your kids and pets safe at the same time.


  • Simple installation: No Tools Required.
  • Helps reduce the risk of injury, as well as damage to your sliding screen door.
  • Easy to use one hand operation.
  • Steel Construction.
  • Gate swings open in both directions.
  • Screen door can be open or closed while gate is installed.
  • Securely clamps onto the functional panel of a sliding panel door.
  • Great for homes with hids and pets.
  • Door stops are provided to keep sliding door stationary.
  • Gate swings open in either direction.
  • Fits all standard sliding doors (1” or 1.5” thickness).  


  • Height - 30 1/2"
  • Bar Spacing - 1 7/8”


Please Note: All hardware is grey, not black as shown in some photos.

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