How to Install Your Sliding Glass Pet Door
Step (1) Remove all 4 glass stops using a putty knife or similar tool.
Insert the putty knife into the seam between the stop and door frame. Gently tap and pull stop out of its slot then completely remove them. Set these aside in a safe place. You will reinstall them at the end of the installation.
Step (2) Separate Glazing Tape Between the Glass and Frame
Using a putty knife or razor knife to separate the glass from the frame. Insert the knife under the frame on the back side of the door (opposite the side where the glass stops go. Slide knife around the entire frame until the glass unit is free. Be careful not to drop the glass unit as you are freeing it from the from.
Step (3) Remove Existing Glass from Frame
Carefully tip the top of the glass unit out of the frame towards your body. Then lift out the glass unit. Place the glass unit in a safe place for disposal.
Step (4) Remove Old Glazing Tape Around Inside Edge of Sliding Door Frame
Using a razor knife or putty knife, carefully scrape away the old glazing tape to clean up the frame. Be sure not to cut or damage the edges and outside of the frame.
Step (5) Apply Glazing Tape to the Door Frame
Apply glazing top along the inside of the door frame where the old tape used to be located. Ensure that the tape goes around the entire frame.
Step (6) Place Pet Door Insert Inside the Frame of Door Panel
First ensure that your glass shims do not cover the slots for the glass stops. Then, carefully insert the bottom of the pet door unit. Once the bottom is fully inserted, work the pet door unit into the frame, applying pressure as you move up the frame. Push the pet door unit in snuggly until flush on all sides.
Step (7) Gently Tap 4 Glass Stops Back into Place
Using a soft mallet to gently tap the glass stops back into place. Make sure you do the longest ones first. All 4 pieces should fit back perfectly as before.
Step (8) Replace the door sash and you are done!
The whole door panel should slip into the frame. Start with the top and lift the panel over the bottom lip.