Heavy. Thick. Green. And traditional armored glass is even dramatically more unsafe than SILATEC safety glass: about 20 times! The valuable exhibits are safe behind SILATEC glass, based on the crystal clear glass they are displayed in a natural, non-cloudy light and they are protected against fading based on the hundred percent UV filter. Sensitive material such a leather, fabrics or wood maintain their color.
Of course, the individual local conditions must be included and must be coordinated early with your insurance company. We would be pleased to do this for you and we will provide consultations for you at any time.