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Ang PRANCE metalwork ay isang nangungunang tagagawa ng metal ceiling at facade system.

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Are aluminum ceiling systems compliant with seismic regulations?

Are aluminum ceiling systems compliant with seismic regulations? 1

Yes, aluminum ceiling systems can be designed and installed to be fully compliant with seismic regulations in earthquake-prone areas. However, compliance is not inherent to the panels themselves but depends on the design and installation of the entire suspension system according to local building codes and standards (e.g., IBC, ASCE 7, ASTM E580). Requirements vary based on the project's location and assigned Seismic Design Category (SDC), which ranges from A (low seismic risk) to F (very high seismic risk).


For areas with moderate to high seismic requirements (typically SDC C, D, E, F), specific measures are mandatory:


Grid System: Intermediate or heavy-duty T-bar grid systems meeting seismic load requirements must be used.


Connections: Main runners and cross tees need secure connections.


Perimeter Clearance: A minimum clearance (often 3/4 inch) must be maintained between the grid ends/panels and the perimeter walls to allow for movement. Heavy-duty wall angle molding is often required.


Hold-Down Clips: Panels, including our aluminum ones, may require hold-down clips, especially near the perimeter, to prevent them from dislodging.


Lateral Bracing: The grid system must be braced against lateral movement using vertical hanger wires splayed in opposing directions or rigid compression posts at specified intervals. The frequency and type of bracing depend on the SDC and ceiling area.


Our lightweight aluminum panels can actually be advantageous in seismic designs as they impose less dead load on the suspension system. It's crucial that the ceiling system is designed by qualified professionals referencing the specific code requirements for the project's SDC.


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