8FLUSH FLANGE OPENING PREPARTATION (CONTINUED)
O.Using a pencil, mark the interior and exterior edges of the sill pan on the sill of the rough opening. Remove the door and sill pan.
P.Place a 1/4" diameter bead of sealant in the following locations:
-The exterior side of the interior pencil mark.
-The interior side of the exterior pencil mark.
-Midway between the exterior and in terior sealant beads.
Q.Place a bead of sealant across the ends of the three sealant beads, connecting the three beads and sealing the exposed ends of the existing aluminum sill. Also place a bead of sealant on the vertical legs of the existing sill.
R.Install the sill pan into the opening, aligning the interior and exterior edges with the pencil marks from Step O. Press down on the sill pan to seal it into the opening.
S.Check all visible sealant lines for voids and fill any voids with sealant.
Sealant Placement, arrows indicate sealant locations.
8O
8P
8Q 
8Q
8R
9SETTING AND FASTENING THE DOOR IN FLUSH FLANGE APPLICATIONS
A. Place one 1/4" diameter bead of sealant in the following locations:
- In the bend at the back of the sill pan.
- 1/2" from the exterior edge of the sill pan.
- Midway between the interior and exterior beads of sealant.
Also seal the joint between the back and side legs of the sill pan with sealant.
9A
