What are Burglar Proof Ratings for Windows?
Burglar proof ratings for windows are a measure of the window’s resistance to forced entry. These ratings are determined by testing the windows against different methods of attack, such as using tools like hammers, chisels, and saws, as well as attempts to break the glass. The ratings are determined by organizations such as Underwriters Laboratories (UL) in the US and the German Institute for Standardization (DIN) in Europe.
Security Level A3 (DIN 52290 T4) 10mm/3/8″ UL 972
Security Level A3 (DIN 52290 T4) 10mm/3/8″ UL 972This is the highest rating for burglar proof windows in Europe and is awarded to windows that have been tested and shown to resist forced entry for at least 10 minutes. The windows must also be made of laminated glass with a thickness of at least 10mm (3/8 inches). This type of window is suitable for use in high-security areas, such as government buildings and banks.
Security Level B1 (DIN 52290 T3) 18mm/3/4″ UL 972
This rating is slightly lower than the A3 rating and is awarded to windows that have been tested and shown to resist forced entry for at least 5 minutes. The windows must also be made of laminated glass with a thickness of at least 18mm (3/4 inches). This type of window is suitable for use in medium-security areas, such as commercial buildings and private homes.
Security Levels C1 through C5 (DIN 5229 2C) UL 752 1-8
These ratings are for windows that have been tested and shown to resist forced entry for varying lengths of time, from 1 minute to 5 minutes. The windows must also be made of tempered glass with a thickness of at least 6mm (1/4 inches). These types of windows are suitable for use in low-security areas, such as residential homes.
Additional Ratings
Here are some additional burglar proof window ratings:
- Security level D (DIN 52290 T2) is a rating for windows that are resistant to forced entry using heavy hand tools, such as
- Security level E (DIN 52290 T1) is a rating for windows that are resistant to forced entry using heavy power tools, such as circular saws or drills. These windows are typically tested in accordance with UL 972.
- Security level F (DIN 52290 T0) is a rating for windows that are resistant to forced entry using heavy power tools and explosives. These windows are typically tested in accordance with UL 972.
- Security level G is a rating for windows that are resistant to forced entry using heavy power tools, explosives, and advanced techniques. These windows are typically tested in accordance with UL 972.
- Security level H is a rating for windows that are resistant to forced entry using heavy power tools, explosives, advanced techniques, and military-grade weapons. These windows are typically tested in accordance with UL 972.
European vs US Ratings for Burglar Proof Windows
The ratings for burglar proof windows in Europe and the US are similar, but there are some key differences.
- The European ratings are determined by the DIN and focus on the time it takes for a window to resist forced entry.
- The US ratings, on the other hand, are determined by UL and focus on the type of glass used in the window.
Tips for Buying Burglar Proof Windows
When buying burglar proof windows, there are a few things to keep in mind to ensure that you are getting the right windows for your needs.
- Determine the level of security you need: The first step in choosing burglar proof windows is to determine the level of security you need. If you are in a high-risk area, you will need windows with a higher rating, such as A3 or B1. If you are in a lower-risk area, you may be able to get away with windows with a lower rating, such as C1 through C5.
- Consider the type of glass: The type of glass used in the window is also an important factor to consider. Laminated glass is more resistant to forced entry than tempered glass, so if you are in a high-risk area, you should consider windows with laminated glass.
- Look for certifications: Make sure the windows you are considering have been certified by a reputable organization, such as UL or DIN. This will ensure that the windows have been tested and meet the required standards for burglar proof windows.
- Check for additional features: Some burglar proof windows come with additional features, such as multiple locking points and reinforced frames, that can provide added security. Consider these options if they are available.
- Pay attention to the warranty: Be sure to check the warranty offered by the manufacturer. A good warranty will give you peace of mind and protection in case something goes wrong with the windows.
- Consider the price: While it’s important to invest in good quality burglar proof windows, it’s also important to consider the cost. Look for windows that provide the level of security you need at a price that fits your budget.
It is important to note that these security levels are guidelines and do not guarantee that a window will be completely burglar-proof. They are intended to provide a general indication of the level of security that a window is expected to provide.
I hope this Guide on Burglar Proof Windows ratings has helped you make the right decision. If you have any questions, feel free to send us your comments below or on our Facebook page.
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