ULTRA WHITE MBI METAL BUILDING INSULATION (2600 Series) Reflective Metalized Surface Facing - Reduces radiant heat gain and loss - Blocks 96% of radiant heat transfer - Saves energy use - Lowers heating / cooling costs - Improves interior comfort Multi-Layer Bubble Core White Interior Facing Option - Provides continuous thermal break - Lowers risk of interior surface condensation - Durable and long-lasting - Superior puncture, tensile and tear strength - Will not absorb water or vapor - Does not harbor m