EFCO S5500 Inside Glazed - Manual (Page 11)

EFCO CORPORATION 6/2012 PART NO. Y552
Series 5500 Inside Glazed Installation Instructions
Apply backer rods in
each end of cover.
Apply sealant on each
end of cover.
NOTE: Exterior pressure covers to be cut D.L.O. minus
1/8” at typical lites and D.L.O. minus 3/16” for lites
on the deep pocket side of the expansion mullions.
STEP #4 APPLY SILL PRESSURE COVERS
A. Plug the ends of the sill pressure covers with backer rod. Recess the backer rod at
least 1/4” from each end and apply a generous amount of sealant to cover the
ends of the covers.
B. Tool the sealant smooth, but allow it to slightly extend past the ends of the cover
as shown.
Section II: Frame Unit Assembly & Frame Sealing