Taicang Zhixiang Ship Fittings Co., Ltd Help China Small Customer Growth Plan, We are a professional Standard pipe clamps from China manufacturers/suppliers, for Standard pipe clamps OEM&ODM/wholesale prices. One of the properties we looked at had asbestos roof sheets covered byAre you sure they are Packing Materials and not cement sheets?Whole sheets of Plugging Material cement do not need to be sealed but should be wrapped in polythene sheets. Information on disposal can be obtained from your local