If your Webflow grid isn't stretching to the full height of the layout, it's likely due to missing height settings on its parent elements. Setting a grid to height: 100% only works if all parent containers also have defined heights.
Body element and set its height to 100% in the Style panel.html tag (requires a small embed or page setting) and any wrappers (e.g., a Div Block or Section) that contain your grid.
height: 100%, try setting the grid's height to 100vh (viewport height), which forces the grid to match the full height of the browser window regardless of parent settings.
100% height won’t have any reference.Display: Flex, Direction: Column, Height: 100vh) to stretch children.
Vertical with Align: Stretch.Height: 100vh on the Flex container, which will allow the child Grid to stretch vertically as needed.
To make a Webflow grid fill the full height of the layout, ensure all parent elements—including Body and wrappers—have their height set to 100% or 100vh. Alternatively, apply 100vh directly to your grid or use a flex wrapper for vertical stretching.