What Are the Rules for Installing Metal Gates in HDB Flats? Installing metal gates in HDB flats requires following HDB guidelines to ensure safety and uniformity. The gate must open inward, meet fire safety standards, and maintain a specific color or design approved by HDB. Homeowners must also hire an HDB-registered contractor to carry out the installation properly. For More Information Please Visit - https://www.theseobacklink.com/detail/what-are-the-rules-for-installing-metal-gates-in-hdb-flats183656