Top 10 Best Insulating Fabric [2025]

NoProductScoreAction
1Newtex Z-Flex A-801 Aluminum with Fiberglass Fabric Backing9.8Buy On Amazon
2Fairfield Solarize Liner Fabric Craft Pack9.8Buy On Amazon
3Lynn Manufacturing Kaowool Ceramic Fiber Insulation9.4Buy On Amazon
4Insul-Bright Insulated Lining 36 x 45 Inches - 2 Packs9.2Buy On Amazon
5Warm Company Warm Company Insul Bright Insulated Lining 36"X45" 6345; 2 Items/Order8.8Buy On Amazon
6Bosal Poly-Therm Heat Reflective Fleece8.8Buy On Amazon
7Pellon, Natural Wrap-N-Zap Cotton Quilt Batting8.8Buy On Amazon
8Insul-Bright Needlepunched Insulated Lining -45" x 1 yard8.8Buy On Amazon
9Warm Company Batting 2391 72-Inch by 90-Inch Warm and Natural Cotton Batting8.6Buy On Amazon
10The North Face Women’s Venture 2 Waterproof Hooded Rain Jacket8.4Buy On Amazon
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

1. Newtex Z-Flex A-801 Aluminum with Fiberglass Fabric Backing

  • Size: 1 yard; 40″ wide; Thickness is approximately 60 mils
  • The base fabric is texturized fiberglass that withstands operating temperatures up to 1000°F
  • The aluminized side of the fabric reflects 95% of radiant heat
  • Foil fabric is best for stationary high temperature applications.
  • Manufactured in Rochester, NY by Newtex Industries, Inc.

2. Fairfield Solarize Liner Fabric Craft Pack

  • Convenient pre-packaged material in a small 3/4 (22″ wide) yard size; Perfect for small projects or just to try.
  • Solarize container wraps, draperies, outdoor accessories, and automotive projects; Heat it up by solarizing inside pillows, fabric scarves, mittens, jackets, hats, and blankets for added extra warmth.
  • Sew-in; Keep it cool by solarizing the inside of can cozies
  • 50% polyester + 50% aluminum
  • Instructions and tips for use included

3. Lynn Manufacturing Kaowool Ceramic Fiber Insulation

  • FIRE PROOF INSULATION: Ceramic fiber blanket insulation, rated to 2400 F
  • PRODUCT SPECIFICATIONS: 1″ Thick x 12″ X 24″, density 8 lb/ft3, made in the USA
  • USES: Wood stove baffle, fireplace, pellet stove, chimney, furnace, boiler, pizza ovens and forge
  • USES: Brazing, soldering, welding, foundry, kiln, refractory, glass blowing, and jewelry making
  • KNOWN AS: Kaowool, Inswool, Durablanket, Cerablanket, TaoFiber, Fiberfrax, Ceramic Wool

4. Insul-Bright Insulated Lining 36 x 45 Inches – 2 Packs

  • A needlepunched insulated lining that reflects hot and cold energy back to it’s source.
  • Who doesn’t love a homemade pot holder, oven mitt or soft lunch sack made safe with Insul-Bright.
  • Easy to sew through and guaranteed to last through a lifetime of gentle washings.
  • 2 packs

5. Warm Company Warm Company Insul Bright Insulated Lining 36″X45″ 6345; 2 Items/Order

  • Dimensions: 13.95 in. h x 9.7 in. w x 2.43 in. d
  • Weight: 0.34 ounces
  • Made in US

6. Bosal Poly-Therm Heat Reflective Fleece

  • 464
  • 834875004647
  • Brand New Item / Unopened Product
  • Bosal

7. Pellon, Natural Wrap-N-Zap Cotton Quilt Batting

  • Perfect For Microwavable Projects Like Insulated Potato Bags Casserole Warmers And More! Retains Moisture For Steamy Potatoes And Vegetables.
  • This Package Contains One Yard Of Wrap-N-Zap 100 Percent Natural Cotton Batting Forty-Five Inch Wide
  • Not Fire Proof Or Flame Retardant
  • Country Of Origin : United States

8. Insul-Bright Needlepunched Insulated Lining -45″ x 1 yard

  • Warm Co Insult Bright 45″X 1Yd
  • Warm Co Insult Is The Perfect Solution For All Your Do-It-Yourself Insulating Projects.
  • Country Of Origin : United States
  • Product Height : 3.0 Inches

9. Warm Company Batting 2391 72-Inch by 90-Inch Warm and Natural Cotton Batting

  • Ideal batting for indoor or outdoor use
  • Includes 90-inch by 72-inch batting
  • No need to pre-wash; machine washable after quilted
  • Made in USA

10. The North Face Women’s Venture 2 Waterproof Hooded Rain Jacket

  • Impenetrable moisture barrier to guarantee dryness.
  • Highly-compressible layer for emergency use or travel
  • Limiting air penetration reduces the windchill factor
  • Seam sealed. Attached, fully adjustable hood with hidden drawcord system
  • Pit-zip vents. Stowable hand pocket