Mueller 12x21 DIY KIT FOR SLAB - Manual (Page 22)

8'-2"
FRAMED OPENING IS 5'-10"x6'-5"
WHEN INSTALLED PROPERLY THE OPEN HEIGHT
OF THE DOOR IS 6'-1"
5'-10"
6'-5"
8'-11"
KIT COMES WITH A MUELLER
5'-9 1
2
"x 6'-5" M250 ROLL UP DOOR