Therma-Tru Smooth-Star - Manual (Page 13)

12
Active panel
Active interlock
Butt active interlock up against
head jamb leaving a slight gap
of approximately 1/64” between
head jamb and interlock.
Starting at top, insert barbs
into kerfs in door edge.
Working your way down, tap
in place with a hammer and
wood block or rubber mallet.
Carefully inspect interior edge
of interlock. Tap as necessary
to obtain a tight fit along door
edge.
Head jamb
Active interlock
Head jamb
Slight gap
approx. 1/64”
19
INSTALL ACTIVE INTERLOCK
Apply a bead of sealant along
bottom joint of inactive interlock
and sill
Sill
Sealant Inactive interlock
Attach inactive interlock to edge of
inactive panel by butting it up into
head jamb and engaging barbs on
interlock with kerfs in door panel.
Use a wood block and hammer or
rubber mallet to tap into place.
Repeat for second inactive panel.
Inactive interlock Exterior
ATTACH INACTIVE INTERLOCKS
18
Active interlock
Kerfs
Inactive interlock
Kerfs