Therma-Tru Smooth-Star - Manual (Page 9)

8
LEVEL SILL
PLUMB SIDE JAMBS
10
11
Sill be flat and level.
Check and make any necessary adjustments.
If necessary, add temporary blocking under
projecting exterior edge of sill to serve as
support during construction.
MUST
Interior
Jambs must be plumb and straight.
Shim as necessary at screw locations
to remove any bow.
Fasten system to rough opening using
staples, nails, or screws through sealing
fin at the corners.
Fasten through every third opening in
the sealing fin.
If needed, jambs can be back
filled with insulation.
Shims