Build new or replacement window mullions to fit any window

Name Your Grille

Giving a name to this grille to help remember which window to install the delivered grille in. Examples: South Facing Living Room, Front Door, Master Bathroom.

Grille Name

Measurement Method
Daylight Opening (DLO): Measure the visible glass, from stop to stop.
Tip-to-Tip: Measure the longest part of the grille on the top of the profile (the portion that faces outward from the glass).
Underneath: Measure the shortest part of the grille bar on the bottom of the profile (the portion that touches the glass).
View measurement instructions

Daylight Opening (visible glass)
* Please note that Non-Surround and Surround grilles are made 1/16" smaller and Simulated Divided Lite grilles are made 1/32" smaller than the daylight opening.

Tip-to-Tip (of existing grille)

Underneath (of existing grille)

Is the window part of a door?

Yes

No

Select Window Shape

Choose “Rectangular” for any window with only 90-degree angles such as casements, double-hung, picture windows, etc.
Choose “Radius” for any window with a curve such as circles, half-rounds, ovals, etc.
Choose “Angled” for any window with at least one angle other than 90 degrees such as octagons, pentagons, etc.

Rectangle

Radius

Angled