... of woods and steels. Comparing to woods, it has many advantages, light-weight, flexible, anti-flame, alkaliacid resistance, moisture proof, water ... or printed colorfully. It owns many ways of processing such as nailing,sawing,planning,cementing, ... jointing,Features: 1. feather light, non-absorb water, fire retardant and self-extinguishing 2. sound ... 72050*30502~6 construct material of pvc foam board