Break resistant. More impact resistant than double-strength window glass. Safer if broken. If the acrylic sheet is broken by an unusually high impact, it breaks into larger pieces with duller edges. Lightweight, optically clear. Visibility through windowsis bright, clear and distortion-free. Weather-resistant. Acrylic sheeting materials have shown no appreciable effects from exposure to weather. Energy saving. Ideal for entry doors, storm doors, patio doors, shower doors, sliding doors, garages, basements, or house windows.