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4
INTEGRATING THE DOOR TO THE WATER
RESISTIVE BARRIER (continued):
B. Apply top flashing tape. Cut a piece of flashing
tape long enough to go across the top of the door
and extend at least 1" past the side flashing tape
on both sides. Apply the tape 1/2" onto the frame
cladding, over the top nailing fin as shown. Fold
the overlapping tape down, and press all tape
down firmly.
Exterior
1"
4B
C. Fold down top flap of
water resistive barrier.
D. Apply flashing tape to diagonal cuts. Cut pieces of flashing tape at least 1" longer
than the diagonal cuts in the water resistive barrier. Apply the tape covering the
entire diagonal cut in the water resistive barrier at both upper corners of the door.
Note: Be sure to overlap the top corners.
Exterior
4C
4D
As required by local code (such as Florida product approval system),
additional anchors may be required. Install them at this time.
5
DOOR REPLACEMENT IN SIDING
WITHOUT NAIL FIN:
Head Flashing Instruction and Rough Opening Preparation
A. Prepare the head flashing by cutting it the same width
as the j-channel/siding opening.
B. Pry the top (head) j-channel/siding away from the
sheathing enough so the head flashing can be slid
under the house wrap (if present).
C. Insert the head flashing behind the j-channel/
siding and behind the house wrap (if present).
HEAD FLASHING
HOUSE WRAP
SIDING
FLASHING TAPE
J-CHANNEL
Note: Pella Recommends and some codes require the use of a head drip flashing. If there
is a functioning, existing flashing, proceed to step 5D.