... lamianate Bubble / Foam for Building insulation & Radiant Barrier Name: Breathable Roof Radiant Barrier Structure: Aluminum Foil+Woven fabric+Aluminum Foil Item ... to reduce summer heat and keep warm in winter.(1),Roof,Attic,Underlay & floor Insulation Under Concrete & wood.(2),Crawl Space ... ,Bubble,Kraft,Fibreglass Wool as good Heat Insulation Material. Breathable roof radiant barrier