Grilles add security and, sometimes, a decorative element. Here are the main options for uPVC windows.
An inbuilt grille is integrated into the window frame, often between glass panes or as a fixed internal grid. Tidy and low-maintenance, with nothing protruding outside.
A separate grille fixed over the outside of the window for security. More visible and robust, and the traditional approach where strong physical security is wanted.
Inbuilt grilles suit those wanting a clean look with light security or a decorative grid. External grilles suit ground-floor and accessible windows where stronger physical security is the priority.
Inbuilt grilles integrated into the frame for a tidy look, and external grilles fixed over the outside for stronger physical security.
External grilles provide stronger physical security; inbuilt grilles are tidier and suit lighter security or decorative needs.
Yes — inbuilt grids and decorative grille patterns can add a design element as well as security.
Related guides covering this topic from other angles — different products, applications, or contexts.
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