GBG (Grids Between Glass) consist of aluminum bars sealed in the insulating airspace between the two panes of glass. Because the interior and exterior glass surfaces are not affected, cleaning your windows is a much easier task. GBG grids on two tone windows are available with matching interior and exterior colors.

3D illustration of a window flat grid system showing glass panels and frames intersecting.

Flat Grids

3D illustration of a window contour grid system showing glass panels and frames intersecting.

Contour Grids

Simulated Divided Light (SDL)

Permanent interior and exterior grids will provide a truly authentic look. Interior grids are available in a Euro-White or Wood Laminate. External grids are available in Euro-White or colors to match products exterior.

3D illustration of a window grid system showing glass panels and frames intersecting.
A large house with a red roof seen through a wooden window frame, overlooking a green lawn.