Designer and project manager Steve Daly applies Siga Wigluv tape to the edges of the window opening for waterproofing.
Operations Manager Evan Smith screws a temporary rail over the window opening to keep the window in place for leveling, squaring, and fastening.
Attaching a temporary stop block to the window buck to hold the window steady during leveling, squaring, and fastening.
Setting the self-tapping, structural lag screw (supplied with the window unit) in place. Windows are pre-drilled at the factory to accept three lags in each side and two in the head rail. Plastic caps for the lag screws are also supplied.
After driving all3 screws on the strike-side jamb, lag screws are driven through the window’s head rail.