... 8. sound insulation and heat insulation; antisepsis and damp proofing; waterproof and aseismaticMain componentsMain frameH beamPurlinC or Z ... Fast construction, easy installation, stable structure, earthquake proofing, water proofing, energy conserving and environmental protection, etc. steel ... 7. If you have other requirements, such as fire proofing, isolated roof, etc, please also inform us. ...