Measure a Patio Screen Sliding Door

Measurements of actual door, (if possible): _____ x ______

Jam to style end dimension: _____

For type "T" header:

Clear opening dimension "A" _____ (to nearest 1/8")

For type "U" header:

Clear opening dimension "B" _____ (to nearest 1/8")

"A" + 3/8" = Door Height

"B" + 1/8" = Door Height