... & Fireresistant;can lamianate Bubble / Foam for Building insulation & Radiant Barrier Name: Radiant Barrier Structure: Aluminum Foil+PE+Woven fabric+PE Item NO.: ZJPY1-02 Certificates ... reduce summer heat and keep warm in winter. (1),Roof,Attic,Underlay & floor Insulation Under Concrete & wood. (2),Crawl Space,Stud ... ,IXPE,Bubble,Kraft,Fibreglass Wool as good Heat Insulation Material. Radiant Barrier