Take all three measurements to your contractor when ordering your sliding glass door.
How to measure sliding glass doors for replacement.
Measure the width of the jamb without the trim.
What factors affect the measurements for the door.
Do this across the bottom middle and top.
Remove the slider door trim with a crowbar.
The type of sliding glass door chosen could alter the exact measurements.
How to measure for replacement sliding glass patio doors.
Be careful not to damage it.
Once you are looking at the exterior of your sliding patio doors measure the width starting from the center.
Cut away all the old silicone and paint attached to the 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.
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.
To measure for your sliding patio doors you will want to first step outside.
Locate the header at the top of the track on the inside of the patio door.
Unlock and slide open the patio door.
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.
If your sliding screen doors are missing determine width by measuring from inside of side jamb to center of stile on opposite side just short of where the stationary glass begins.
How to measure for a sliding screen door replacement step 1.
Measure from edge to edge across the existing door frame.
Pull out any.