Get the 40 or 50 Gal Water Heater Bubble Foil Blanket at your local Home Hardware store. View online and pick-up in store.
Water Heater Insulation Jacket
40 Gallon Tank Super Shield Reflective Foam Core Water Heater Jacket Insulation Kit – US Energy Products
rFOIL Bubble Reflective Insulation 5/16 x 4' x 100' at Menards®
HIGH-PERFORMANCE REFLECTIVE INSULATION M2V
Insulation for Hot Water Heater - Radiant Barrier & Foil Insulation
Water Heater Insulation Jacket
rFoil 2222-16-125, 16 x 125ft Between-Joist Reflective Radiant Heat Insulation - PexUniverse
InfraStop™ Hot Water Heater Blanket Installation
HOT WATER TANK HEATER INSULATION JACKET DIY 'PREMIUM' KIT: ENERGY SAVING REFLECTIVE FOIL FITS 50 & 60 GALLON WATER TANKS. MANUFACTURER OF THIS KIT FOR 27 YEARS. EXCLUSIVELY SOLD BY 'JR GLOBAL SALES
rFOIL Reflective Insulation and Radiant Barriers - Safe, Clean, Effective