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What is the Difference between a Solid and Perforated security shutter?
The main difference between a solid and a perforated security shutter comes down to visibility and airflow. While both provide a formidable physical barrier, your choice depends on whether you need to completely conceal an opening or maintain line-of-sight and ventilation when the door is closed.
Solid Security Shutters
Solid shutters are constructed from continuous, interlocking steel or aluminium slats with no openings. They provide maximum privacy by completely concealing the premises, which is the best way to protect glass from being broken by vandals or thieves. Because they form an unbroken barrier, they also offer the highest level of protection against wind, rain, and dust.
Perforated and Punched Shutters
If you need a "see-through" capability, vision shutters offer partial transparency without compromising protection. Perforated shutters feature small drilled holes that provide 17% to 25% vision, requiring good interior lighting at night to be effective. Punched shutters use larger rectangular cut-outs for 45% to 62% vision and can be fitted with transparent polycarbonate inserts to block weather and stop fingers from being pushed through.
Shutter Comparison
| Feature | Solid Shutters | Perforated Shutters | Punched Shutters |
|---|---|---|---|
| Visibility | 0% (Complete privacy) | 17% - 25% vision | 45% - 62% vision |
| Airflow | None | Moderate (through micro-holes) | High (unless glazed with polycarbonate) |
| Weather Protection | Excellent | Low | Excellent (if polycarbonate inserts are used) |
| Best For | Warehouses, factories, and highly secure industrial units | Retail shopfronts and ventilated car parks | High-street retail and areas prone to climbing |
You do not have to choose just one style; it is very common to mix solid slats at the bottom of a door with punched or perforated slats at eye level. For expert advice on choosing the perfect security shutter for your application, speak to Samson Doors on (01933) 448850.
