Pella 818L0100 Installation Instructions Manual page 4

optional Sill pan Instructions:
I. cut the sill pan to the width of the rough opening plus 2".
Note: The 2" added onto the rough opening width is for a 1" bend on each end.
J. make a 1" cut in each fold at both end of the sill pan.
Note: These cuts will allow the edges of the sill pan to be bent.
Note: 4-5/8" wide for Out-Swing and In-Swing for 4-9/16" wall condition. For other wall
conditions, measure wall depth and add 1/16".
1J
1 "
V a r ia b le
K. cut 1" offf each end
of the interior sill
pan lip.
L. Bend each end of the
center panel up.
M. Install the sill pan by sliding into
place until the exterior sill pan lip is
flush with the exterior of the rough
opening.
N. apply sill flashing tape. Cut a piece of
flashing tape 2" longer than the opening
width. Apply at the bottom of the
opening, covering the exterior sill pan
lip as shown.
Note: If applicable, apply spray
adhesive to building felt prior to
applying the flashing tape.
O. cut two 9" pieces of flashing tape with a 1"
x 3"tab at the bottom, on opposite corners as
shown.
P. apply the tabbed 9" pieces of flashing
tap. The tape is applied so 2" will cover the
inside of the rough opening and lap over
the side flange of the sill pan. The 1" x 3"
tab laps over the bottom flashing tape as
shown.
Q. cut two 6" pieces of flashing tape and
apply to each side of the rough opening,
overlapping the first piece by 1" and
lapping the bottom over the side flange of
the sill pan as shown.
IN T E R IO R S IL
L P A N L IP
E X T E R IO R S IL
L P A N L IP
1 "
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1 "
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E X T E R IO R S IL L
P A N L IP
IN T E R IO R S IL L
E X T E R IO R S IL L
P A N L IP
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9"
1" tab
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2 "
9 "
E X T E R I O
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1 "
1 "
P A N L IP
P A N L IP
E x t e r io r
3" 3"
2" 2"
3"
1 "
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9"
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1Q
A N L I P
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