... lower price. Material: 5-6 years Moso bamboo. During growth,bamboo culm becomes harder and stronger and reaches the ... start to decline after 8 years.When the bamboo is less than 4 years old,lignification is ... and humid swelling are large,so that Moso bamboo above 5 years old should be chosen.Joints: ... E1 Standard 1.5mg/L) Installation: Glue down, nail down or as a floating floor.Certification: CE, ISO ...