Pella Impervia Sliding Patio Door With Fins 803V0102 - Manual (Page 10)

APPLYING INSTALLATION FINS
A. Cut the fins to length. Using the following
formula, cut the fins to length, making sure
the end cut is square on both ends.
Heads and Sills: Length = Frame width + 2-1/2"
Jambs: Length = Frame height + 2-1/2"
Jambs, if there is no fin at the sill: Length = Frame height + 1-1/4"
Combinations: Length = Combination height + 2-1/2"
B. Notch the ends of the fins. Measure and
mark 1-7/16" from each end of the fins. Using
a hacksaw, cut the fin receptor leg at the mark.
Finish removing the bottom receptor legs by
scoring the fin with a utility knife and snapping it
off the fin.
Note: When using fins on all four sides, all ends
must be notched. If no fin is used at the sill, DO NOT
notch the bottom of the jamb fins.


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C. Install the two side fins into the top of the frame
jamb grooves located on the side frame members
of the door. Slide the fins into place.
Note: Spray a solution of water and soap on the
frame jamb grooves to reduce sliding friction.
D. Install and slide the top fin into the frame
head groove located in the top frame member.
Note: The top fin must overlap the exterior
of the side fins.
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E. Apply a bead of sealant where the fins overlap. Pump extra
sealant into the cavity created by the two overlapping fins.
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F. When applying fins to mulled products, place a line of
sealant from the exterior face of the fin to the exterior of the
door frame at the mullion joint.
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