Single-Hung
Minimum Size (Rough): 20” x 36”
Minimum Size (Actual): 19-1/2” x 35-1/2”
Maximum Size (Rough): 48” x 72”
Maximum Size (Actual): 47-1/2” x 71-1/2”
Double-Hung
Minimum Size (Rough): 20” x 36”
Minimum Size (Actual): 19-1/2” x 35-1/2”
Maximum Size (Rough): 48” x 72”
Maximum Size (Actual): 47-1/2” x 71-1/2”
Casement
Minimum Size (Rough): 18” x 24”
Minimum Size (Actual): 17-1/2” x 23-1/2”
Maximum Size (Rough): 40” x 80”
Maximum Size (Actual): 39-1/2” x 79-1/2”
Awning
Minimum Size (Rough): 24” x 18”
Minimum Size (Actual): 23-1/2” x 17-1/2”
Maximum Size (Rough): 60” x 36”
Maximum Size (Actual): 59-1/2” x 35-1/2”
Picture
Minimum Size (Rough): 12” x 36”
Minimum Size (Actual): 11-1/2” x 35-1/2”
Maximum Size (Rough): 74” x 80”
Maximum Size (Actual): 73-1/2” x 79-1/2”
Transom
Minimum Size (Rough): 36” x 12”
Minimum Size (Actual): 35-1/2” x 11-1/2”
Maximum Size (Rough): 80” x 74”
Maximum Size (Actual): 79-1/2” x 73-1/2”
Casement Picture
Minimum Size (Rough): 20” x 36”
Minimum Size (Actual): 19-1/2” x 35-1/2”
Maximum Size (Rough): 60” x 80”
Maximum Size (Actual): 59-1/2” x 79-1/2”
Slider
Minimum Size (Rough): 24” x 24”
Minimum Size (Actual): 23-1/2” x 23-1/2”
Maximum Size (Rough): 72” x 80”
Maximum Size (Actual): 71-1/2” x 79-1/2”
