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Fire-Rated Access Panel
Fire-Rated Access PanelCritical for fire-resistance-rated walls and ceilings, these panels maintain the required hourly rating (e.g., 1–2 hours) when installed with intumescent seals and proper framin...
2026.08.31
Installation of central air conditioning: it is more appropriate to hang 250mm-300mm from the ceiling and reserve 300mm×500mm for the access opening.
Drainage pipes: check ports shall be set according to the specifications (for example, drainage risers shall be set every two floors, and the low floor, more than two floors with sanitary wares and the higher floor of flat-topped buildings must be set), and the height shall be 1m from the ground and 0.15m higher than the upper edge of sanitary wares.