Certified Excellence: Understanding EN 1906 Grade 4 and EN 1634 Fire-Rated Door Handles When it comes to door handles, many might think of them as simple design elements, often overlooked amidst a room's more prominent features. However, in commercial and high-security environments, door handles are more than just a functional necessity; they are integral to safety and performance. Two essential certifications that define the quality and reliability of door handles are EN 1906 Grade 4 and EN 1634.
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