1/4" minimum
Sealant
1F
Repeat steps C - E for all four sides of the opening.
F.
Remove any debris,
paint or stucco from the
exterior face of the existing window frame that will
interfere with the new window installation. Clean any
dirt or debris from the existing sill and ensure the
weep holes are open and clear.
D. Use pliers to remove the 2” section(s) of frame.
1D
1E
1G
E. Starting in the 2” frame notch, use a
reciprocating saw to cut the frame legs flush
with the drywall. Do not cut through the frame
exposing the rough opening. Do not damage
the drywall where it will remain exposed after
the new window is in place.
Note: At the sill, ensure that 1/4” minimum
height of frame leg remains to act as a sill dam.
G.
Seal the existing jamb frame joints
to the
sill of the existing aluminum window frame
with beads of sealant.
H.
Seal any screw holes from the original
divider
with sealant. DO NOT plug any weep
holes in the existing frame.
1F
1
OPENING PREPARATION
