Measure the width of the jamb without the trim.
How to measure sliding glass door for replacement.
Unlock and slide open the patio door.
How to measure for replacement sliding glass patio doors.
Go to your sliding glass door and take a measurement from the wall left to right of the door to the wall it is installed in.
Do this across the bottom middle and top.
Depending on your style of home extend your tape measure horizontally from brick to brick siding to siding or one edge of stucco to the other edge of stucco.
To measure a sliding patio door you ll want to step outside so you re looking at the exterior of the door.
Be careful not to damage it.
Pull out any.
The type of sliding glass door chosen could alter the exact measurements.
Take all three measurements to your contractor when ordering your sliding glass door.
Locate the header at the top of the track on the inside of the patio door.
Measure from the top of the track at one end of the door down to the threshold on the ground with a tape measure.
What factors affect the measurements for the door.
Cut away all the old silicone and paint attached to the door.
Remove the slider door trim with a crowbar.
Measure from edge to edge across the existing door frame.
Insert a utility knife around the door frame and break the silicone seal.
Then you will want to measure the height of the doors as well again do three measurements one from top to bottom on the left one in the middle and one on the right.