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EFCO 526 Series User Manual

Page 10

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EFCO 6/2012

Page 10

Series 526 Impact Installation Instructions

SECTION III: Fabrication

B. Drilling Template for Screw Spline at Verticals

Outside Glazed (4 1/2” Sill)













Use dimensions as shown, or cut a short piece of the sill ma-
terial and use as a template. Drill with a .221 dia. (#2) drill at
darkened areas only.

Dimension taken
from top of sill.