Building fire separation

Simplified spacing between two civil buildings per GB 50016 Table 3.4.1. Does not cover special industrial/warehouse cases or Grade 4 construction; verify code articles for reductions.

Building ABuilding typeFire resistance

Building BBuilding typeFire resistance

Higher building may qualify for firewall / windowless wall reductions (note only; value not auto-reduced)

Minimum spacing

6 m

For: Low-rise / multi-story ↔ Low-rise / multi-story (table value; conservative when grades differ)

Lookup aid only, not a permit or drawing review conclusion.