Instructions / Assembly

• Insert insulation from interior side between unit and

rough opening on all sides. DO NOT overpack batt

insulation or overﬁll with foam.

• Apply exterior ﬁnish over Installation Flanges leaving

1/4" space around perimeter of unit.

• Apply a continuous bead of Sealant around exterior

perimeter between unit and exterior ﬁnish.

• When insulating between the unit’s frame and

rough opening, or between units when joining,

DO NOT overpack batt insulation or overﬁll with

foam. Bowed jambs will result, affecting product

performance and/or proper unit operation.

• Andersen

Head Flashing and Installation Flanges

DO NOT take the place of standard window and

door ﬂashing. Unit must be properly ﬂashed for

protection against water and air inﬁltration.

Aluminum

Sill Support

• Fasten optional Aluminum Sill Support using

#8 x 1-1/2" Colored Screws after siding or exterior

ﬁnish is applied.

14. Secure Optional Aluminum Sill Support

#8 x 1-1/2"

Colored Screw

1/4"

Batt Insulation

Sealant

1/4"

13. Insulate and Seal Unit

Exterior View

Interior View

Exterior View

Caulk Gun

Frame Assembly and Installation Guide