Instructions / Assembly
5. Apply Head Installation Flange/Head Flashing
• Position Head Installation Flange/Head Flashing in 
groove on Head Jamb, overlapping Side Installation 
Flanges to the exterior. Place wood block against short 
leg of Head Installation Flange/Head Flashing and tap 
until fully seated.
• For Sidelight Installation Instructions proceed to Page 
14 of Panel Assembly and Installation Guide #0005309.
Head 
Installation 
Flange/Head 
Flashing
Side 
Installation 
Flange
Head Installation Flange/Head Flashing must overlap 
Side Installation Flanges to the exterior to help 
prevent water infiltration.
Interior Edge 
of Head Jamb
4. Attach Head Installation Flange to Head Flashing
Standard Installation
Masonry/Concrete - Replacement Installation*
• Position Head Installation Flange groove over Head 
Flashing lip. Flush ends and snap into place.
• Score and snap long leg off Head Installation Flange, 
using a sharp utility knife, 
• Position modified Head Installation Flange  groove over 
Head Flashing lip. Flush ends and snap into place.
Head Installation Flange
Head 
Flashing
Flush 
at Ends
* For installations where flanges are not being used.
Handle aluminum Head Flashing with care to 
avoid bending.
Head 
Flashing
Modified Head 
Installation Flange
Head 
Installation 
Flange
Long Leg
Score 
Line
Standard Installation
Masonry/Concrete - Replacement Installation
Groove
Lip
Flush 
at Ends
Groove
Lip
Ends and edges of Head Flashing are sharp. Use 
caution when handling Head Flashing. Failure to do 
so may result in personal injury.
Exterior Side Up
Frame Assembly and Installation Guide
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