Instructions / Assembly
PLUMB - LEVEL - SHIM
PLU
PLUMB - LE
2. Attach Head Jamb To Side Jambs 
• Apply a 1/8" bead of Silicone Sealant (provided)  to top 
end of Side Jambs and position against Head Jamb.
Silicone Sealant must be applied to end of Side 
Jamb to help prevent water infiltration.
Interior Edge 
of Head Jamb
Side Jamb
Head Jamb
Interior 
Edge 
of Side 
Jamb
#10 x 2-1/2" Silver Screws and Locations
When attaching Side Jambs to Head Jamb, screw 
fastening sequence must be followed. Failure to do 
so may result in incorrect fit of frame parts. 
• Fasten Head Jamb to Side Jambs through predrilled 
holes using four #10 x 2-1/2" Silver Flat Head Screws. 
Screw fastening sequence must be followed.                             
  Screw 1 : Fasten interior side of Side Jamb to Head Jamb. 
Screw 2 : Fasten interior side of Head Jamb to Side Jamb. 
Screw 3 : Fasten exterior side of Head Jamb to Side Jamb. 
Screw 4 : Fasten center of Side Jamb to Head Jamb.
• Clean up excess squeeze-out of Silicone Sealant.
Silicone Sealant
Exterior Edge 
of Head Jamb
1
2
3
4
3. Apply Side Installation Flanges
• Position Side Installation Flanges in groove on frame, 
short leg pointing toward interior, flush with bottom 
of Sill. Place wood block against short leg of Side 
Installation Flange and tap until fully seated. 
Some masonry/concrete wall and replacement 
situations do not require the use of Side Installation 
Flanges. If Side Installation Flanges are not being 
used proceed to Step 4.
Sill
Side Installation Flange
Side Jamb
Side Installation Flange
Flush with Bottom of Sill
Wood Block
• Position Head Jamb exterior side up
Exterior
Hammer
Exterior Side Up
Installation Flange 
Short Leg
Exterior Side Up
Frame Assembly and Installation Guide
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