... the discomfort from fiberglass or expanding foam and the harm to environment. Moreover, the air bubble can play a ... + AL foil Multi-layer Insulation Material specifications : length :according to customersdemand max width :1.25m diameter of bubble : 6mm,10mm ... 12mm,20mm,25mm features : clean ,lightweight , easy to cut ,quick and easy to install ,store, and handle ,environment friendly usage : It is ...