Instructions / Assembly

Make sure the door is supported so it does not swing open during installation.
Apply a generous amount of Exterior Grade Silicone on the subfloor where threshold will sit. This
prevent drafts and moisture from penetrating through the bottom. Use entire tube when caulking
along the sub floor.
Lean the prehung door into the rough opening.
Use 3” screws on the hinge side to temporarily hold the unit in position. One screw near the top and
one screw near the bottom. Do not tighten.
To secure, insert one shim at each of the following locations of the frame.
1. Top corner (hinge side, pictured below)
2. Top corner (strike-plate side, pictured below)
3. Bottom corner (hinge side)
4. Bottom corner (strike-plate-side)
5. Behind each hinge (hinge side)
6. Moirror hinge-shims on the strike-plate side.
7. Behind the strike plate (strike-plate side)
When the shims are properly installed, there shouldn’t be any movement or twisting.
View the gap around the door unit from the interior side, it should be even all the way around. If it’s
not, adjust with shims. Make sure the unit remains square.
Step 2 – Installing Door Frame – Single Front Door