light weight precast fireproof sandwich panel 1.Easy installation, 2.Fireproof, 3.Waterproof, light weight precast fireproof sandwich panel 1. ... Description Multi-SpaceTM light weight precast fireproof sandwich panel adopted the EPS panel which is ... waterproof, low water absorption, low drying shrinkage value, noncombustible, fireproof, moisture proof, mould proof, high strength, smooth surface ...