Check the listing for details. SmartSHIELD -3 HVAC Duct Wrap Reflective insulation Foam core 24" X 50ft. Condition: New. Listed at 54.99 USD. SmartSHIELD -3 Reflective Foam Core Insulation, Duct Wrap 24" X 50ft roll THIS IS NOT A CHEAP DOUBLE BUBBLE REFLECTIVE INSULATION, WE HAVE A SUPREME QUALITY REFLECTIVE FOAM CORE INSULATION, COMMERCIAL GRADE!!! 10 YEARS WARRANTY!!! ADDED VALUES: EXTREMELY EFFECTIVE - R-8 HVAC Duct Wrap Insulation.REFLECTIVE SURFACE - pure aluminum on both sides.VAPOR BARRIER -Unaffected by humidity and moisture, prevent condensation. FOAM, NOT A CHEAP BUBBLES.FIRE RATE - Fire rate Class 1 / Class A, NON TOXIC - will not irritate skin, eye or throat. Non allergic.EASY TO WORK WITH - Easy to install, easy to cut and easy to clean, Strong but lightweight. 3mm (3/16 inch) closed cell polyethylene foam sandwiched between pure aluminum on both sides.Heating and cooling costs are about 60% of the average American Household energy bill. The most effective way to cut these cost is to lower the amount of heat transferred into the home in the summer an out of the home in the winter.Our Radiant Barrier/Reflective Insulation SmartSHIELD is made from double-sided 99% aluminum foil, with closed-cell polyethylene foam. It provides optimal protection by reflecting up to 97% of radiant energy, in addition to resisting conductive and convective heat transfers. Our Radiant Barrier/Reflective Insulation SmartSHIELD is nontoxic and non-carcinogenic and works ideal for hot and cold climates. WHERE TO INSULATE?AtticsBest RV insulationCeilingsWallsSteel BuildingsPOLE BARNSRoofingConcrete FloorRadiant Heat in a Concrete FloorRadiant Heating Under a Wood FloorCathedral CeilingWater Heater TankRadon BarrierWater Pipe and Air DuctReflective Ceiling SystemBehind a Hot Water RadiatorCrawl SpaceIn Ground Swimming PoolsShed, Fish & Hunting ShelterCooling Room, Cold Chamber or Wine CellarConcrete Block WallCavity Wall for Metallic Studs in Commercial BuildingsFoundation WallAbove Ground Swimming PoolsQuanset HutHouse Wrap TECHNICAL SPECIFICATIONS - SmartSHIELD -3 SmartSHIELD -3 Insulation(Double aluminum layer - Fire barrier)Measures and tolerances of the standard product . Technical Characteristics of the Product CHARACTERISTICS VALUE STANDARD FOAM CELL STRUCTURE Closed - AVERAGE WEIGHT PER m2 0,242 Kg/m2 - FOAM DENSITY 34-54 Kg/m3 ASTM 1622 PERMEABILITY Waterproof Dir. UEAtc WATER VAPOR PERMEABILITY 0.033g/m2hkPa-0.05perms(gr/ft2*h*in.hg) ASTM E-96/IRAM 1735 FLAME INDEX 0 ASTM E-84 SMOKE DEVELOPMENT 15 ASTM E-84 EMMITANCE 0,03 ASTM C-1371-98 FUNGAL RESISTANCE Resistant/Does't promote fungal growth ASTM C-1338 DELAMINATION Doesn't delaminate ASTM C-1224-99 OPERATING TEMPERATURE -20°c / 80°c ASTM C-1258 THERMAL RESISTANCE *A: 15.32; *B: 20.42 (ft2.h.°F/Btu) ASTM C-236