5 Best Welding Blankets for Smokers [Heat-Resistant Fiberglass Fabrics]

By Ben Isham-Smith


Enjoy winter barbecue safely with a welding blanket for your smoker. Heavy-duty and heat-resistant blankets to keep smoking temperatures consistent and your meat flawless.

backyard barbecue smoker covered with welding blanket for winter

Welding blankets have found an unlikely crowd in the form of the barbecue community, with the heat-resistant blanket proving the only match for the winter’s cold temperatures. Their robust insulation means they can retain the ambient cooking temperatures we need in your smoker chamber over the course of hours, even as sub-zero conditions set in.

The best welding blankets feature woven fiberglass fabric, which is extremely effective at retaining heat up to 700°F (370°C) while simultaneously guarding against winter temperatures. Crucially, it’s inexpensive to produce, giving you affordable but high-quality smoker insulation.

Discover how to enjoy winter barbecue with our guide to the best welding blankets for smokers today.

ABN Heavy-Duty Fiberglass Fire Retardant Blanket

When it comes to welding blankets, we need a safe, versatile, tough, and reinforced product. And that’s exactly what the first entry on our list brings to the table. The ABN Heavy-Duty Fiberglass Fire Retardant Blanket is one of the most in-demand welding blankets for a smoker to date.

This 4 x 6-foot blanket is 100% flame retardant with thermal-resistant insulation. It will protect any property from sparks, splatter, and flare-ups from accidents or injury. And, it’s one of the most versatile products on our list.

It can protect your furniture, flooring, and most especially, from embers, sparks, molten metal, and any heat from smokers, grills, and the like. This blanket is tough and built to last. It is constructed from a 19.8 ounce/yd^2 fiberglass and comes with a working temperature of up to 1000 F or 537 degrees Celsius. This is meant for heavy-duty applications and to offer maximum thermal protection.

Its tight weaving pattern at about 30 x 30 per inch^2 is meant to bound it together and give it further reinforcement. Pretty much ready for long-term and constant usage. It’s also quite easy to store.

And please, don’t cut it into smaller portions and just fold it for smaller applications as that will compromise and lessen its effectiveness.

ABN Heavy-Duty Fiberglass Fire Retardant Blanket
  • [Contain the Sparks]: The ABN Emergency Fire Blanket for Welding provides excellent thermal...
  • [Thermal Protection]: 4 x 6ft (1.2 x 1.8m) fire blanket protect from embers; DO NOT CUT - fold...
  • [Built to Last]: The 19.8 oz/yd squared fiberglass provide thermal protection up to a 1000...

Waylander Carbon Felt Welding Blanket

The Waylander Carbon Felt Welding Blanket also offers a unique design to help protect us from fire. It comes in 3 sizing options too so you won’t need to cut it. That would be 18 x 18 inches, 24 x 24 inches, and 36 x 36 inches blankets.

This fire retardant blanket or pad offers better protection and will repel flames, not melt, or burn for up to 1800 degrees F. Yes, it offers one of the best protection on our list when it comes to fierce fire.

You can just toss it on the wall or ground and see how it will resist flames, intense heat, and sparks. The fabric is thick but soft and will not cause skin irritation. The carbonize felt is just a great material to offer the best thermal protection.

It’s got no seams, so if you need to cut it then it should be easy to do so. Due to its right amount of thickness, it’s also pretty versatile. Wrap it around your grill or smoker if you need to. It’s also pretty lightweight so it can be a welding table cover or used to protect your chest like a shield.

It’s one of the top blankets on our list that will offer more than the standard 1400 degrees F of protection. For the brand, that ain’t enough, and what they offer is way more.

Waylander Carbon Felt Welding Blanket
  • FIRE RETARDANT BLANKET/PAD: Repels flames and won’t melt or burn up to 1800°F (1000C), so...
  • THICK AND SOFT FABRIC WITH NO SKIN IRRITATION: Trust Waylander’s flame and heat resistant pad...
  • CUT TO FIT FOR YOUR EXACT SPECIFICATIONS: Simply trim to the measurements you need with a pair...

Tillman Panoxidized Felt Back Welding Blanket

The Tillman Panoxidized Felt Back Welding Blanket comes at a 3 x 3-foot sizing option. It is made with a thermofelt material that is guaranteed to be nonflammable. It is also non-melting, non-shrinking, and scratch-resistant.

It should be perfect for light-duty welding, spatter, and sparks. It also offers a whopping 1800 degrees F working temperature capacity. But its smoking and tensile strength will decrease when it is exposed to molten metal.

However, it should be tough enough to last for quite a while. If it’s just direct flame or heat then this one is perfect. The black color of the fabric that it comes with can absorb heat at any time of the day rather effectively as well. 

Tillman Panoxidized Felt Back Welding Blanket
  • 16 oz., Thermofelt Non-flamable, non-melting, non-shrinking, scratch free.
  • Light duty welding, light sparks, and spatter.
  • Smoking and loss of tensile strength will occur when subject to molten metal.

Gihunk Tillman Panoxidized Felt Back Welding Blanket

The Gihunk Tillman Panoxidized Felt Back Welding Blanket does have the same material as our previous entry but this one has relatively more to offer.

It comes in 3 sizing options from medium to extra-large. This is primarily used as a welding blanket and an emergency blanket for fire survival. It offers protection against heat, spatter, or sparks from any surface orientation and is guaranteed to be 100% fire retardant.

With a treated premium fiberglass material, this heat-resistant blanket has a thermal working temperature of up to 1400 degrees F. That’s good enough to offer heavy-duty protection from either welding, cutting or personal usage.

It’s got a wide range of applications just like the others on our list and can be used as a personal shield whenever needed. It’s got a thickness of 0.03 inches, weighs 680 grams, and is available at a large 60 x 40 inches. With its white fabric build, this heavy-duty welding blanket will keep you safe from flame, embers, and sparks at all times.

Gihunk Tillman Panoxidized Felt Back Welding Blanket
  • MAIN MATERIAL and FEATUR : Can be used as welding blanket or emergency survival fire blanke
  • 100% FLAME RETARDANT :These welding blankets are the most reliable protection against heat,...
  • PREMIUM PROTECTION - Specially treated fiberglass makes the blankets heat resistant until...

Deke Home Store Fiberglass Welding Blanket

The Deke Home Store Fiberglass Welding Blanket is also popular and has good ratings online. And that’s a testament to its overall quality. Although only offering around 1000 degrees F of thermal working temperature capacity, this one is tough and will make up for it in many different aspects.

It will protect you and your belongings with its 4 x 6-foot size. It is flame retardant, molten-metal resistant, and will result in workplace cleanliness. This is one general-purpose welding blanket that will protect from flame, sparks, and spatter.

It’s got brass hanging metal grommets on both sides, approximately one every 12 inches. And most of all, this one is built to endure the wear and tear expected from a welding blanket. It’s got reinforced construction that will ensure that it will last for a very long time.

You can use it for many applications too for smokers, air ducts, pellets, ductwork, doors, curtains, and smoke control systems. The reinforced helm should never fray and this welding blanket has fiberglass infused for superior strength.

This is also one of the most affordable blankets on our list so it’s one great investment no matter what.

Deke Home Store Fiberglass Welding Blanket
  • Safe thermal protection: The Fiberglass Fire Blanket Retardant , 6’ x 4’ Foot is a...
  • Various applications: Protect your furniture, flooring, wood railings, and yourself from...
  • Built to last: Constructed from 19.8 oz/yd² fiberglass with up to 1,000-degrees Fahrenheit...

Last update on 2024-03-04 / Affiliate links / Images from Amazon Product Advertising API

About the Author

Ben Isham-Smith

A BBQ obsessive, Ben is behind 250+ of The Online Grill’s recipes, as well as countless barbecue guides to help barbecue newbies get to grips with the world’s best form of cooking.

Still hungry? Check out more BBQ posts