Upper Sash

Top portion of the double hung window including the vinyl and insulating glass unit.

Lower Sash

Bottom portion of the double hung window including the vinyl and insulating glass unit.

Sash Stop

Prevents damage to your double hung by limiting how far the sash moves up and down.

Balance Track Cover

Covers the exposed balance track on some double hung windows for aesthetic purposes.

Air Lok

Small air latch that when activated limits the amount a window can be opened for safer ventilation

Tilt Latch

Latches at the top corner of each sash that when disengaged will allow the sash to tilt inward.

Cam Lock

Located on the lower sash and engages with the keeper to lock the window

Keeper

Located on the upper sash and engages with the cam lock to secure the window.

Balance Assembly (Internal)

Interior components located within the balance track of the window that consists of the spring, shoe and cover.

Pivot Bar

Metal bar attached to the sash that sits in the balance shoe, connecting the sash to the balance system.

Grilles

Grille patterns are located between the glass. Simulated divided lites (SDLs) are grilles applied to the external surface of the glass.

Fin Seal Weatherstripping

Also called “wool pile”, this fuzzy weatherstripping is located on the sides, outside and top of either sash.

Weatherseal Bulb

A flexible weatherstrip applied to the bottom of the lower sash.

Screen (Exterior)

On double hung windows the half- or full-size screen comes with fiberglass or aluminum mesh and is installed on the exterior side of the window.

Weep Hole Covers (Exterior)

Covers the external weep holes on the bottom of the exterior window frame.