How To Insulate Your Smoker?

by Sid Wilson | Published On

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Insulating a smoker could be an asset when increasing its life and having that smokey taste in the food grilled on the smoker. In addition, heat and smoke released from the smoker compromise the quality of food cooked in the bbq smoker; therefore, heat preservation could come in handy when the insulation of a smoker is done. 

Insulation Of Smoker

Some methods by which a smoker could be insulated and used efficiently, irrespective of the weather. Insulation may also help maintain the smoker’s temperature, which in turn could directly lower the chances of accidental burns, which may generally be caused by even slightly touching it. 

4 Reasons To Insulate Your Smoker


  1. You Get Properly Cooked Food

    Insulating the smoker could help in maintaining the temperature of the food and give it that smoked and grilled taste. Insulation of the smoker protects it from changing weather and increases its life.

  2. Cook Food In Any Weather

    When the exterior of the smoker is not protected, it automatically changes the inside of the smoker as well. During cold weather, the metal might become cold which may lower the cooking temperature as well decreasing the quality of food that would be grilled in a smoker. An insulated smoker helps in cooking the food in most weathers as it would be able to maintain and retain its optimum temperature.

  3. It Preserves Fuel

    An insulated smoker allows less escaping of heat leading to preservation of fuel and efficient working. When the smoker does not have to continuously increase or decrease its temperature according to the changing weather, it would be able to maintain and retain the heat it requires to function properly.

  4. Reduces Risks Of Accidental Burns

    Due to the high temperature of the smokers, there are higher chances of minor or major burns for the person operating the smoker. As the walls of these insulated cold smokers are built thick, the risks of accidental burns are diminished.

The 4 Types of Smoker Insulators

  1. Insulating Jacket

    An insulating jacket may protect the smoker from heat loss as it is made according to the size of most smokers. They are good for vertical smokers. Insulation jackets are generally made from aluminum foil on the outer layer of the jacket which is great for higher heat retention. They could be bought or easily made at home according to the smoker’s requirements and measurements. It is necessary that they are away from the firebox.

  2. Insulation Blanket

    These insulation blankets from the inside are generally made from two layers i.e., an aluminum layer and the fabric layer. These are easy to use and could cover the smoker easily by wrapping the whole smoker in one go and do not necessarily be custom-made according to the size of the smoker.

  3. Welding Blanket

    If neither the insulating jacket nor insulating blanket is available, a welding blanket could come in handy. They might help in protecting the welder from any kind of sparks or excessive heat. Welding blankets do not need any kind of custom fits, they could be snugged around the smoker. They stay in place around the smoker wrapping it nicely.

  4. Cement Board

    Cement boards might not be dangerous if placed anywhere near a firebox as it is fire resistant whereas the above-mentioned alternatives are maybe dangerous if placed near the firebox of a smoker. These might help in insulating the firebox from inside and prevents heat loss as well. Cement boards could be easily built with simple measurements but may need a lot of effort. 


  1. What Other Insulating Materials Can You Use? 

    Some other insulating materials that may be used for the insulation of smokers are fiberglass, mineral wool, cellulose, natural fibers, polystyrene, polyisocyanurate, polyurethane, perlite, cementitious foam, phenolic foam, and insulation facings. All of these insulating materials could be used as an alternative for each other depending on the smoker. 

  2. How Do You Regulate The Temperature In A Smoker?  

    The temperature in a smoker could be regulated either by using smoking vents or maintaining a temperature of 225 degrees Fahrenheit. Regulating the temperature of the smoker might help in the even cooking of the food with the presence of an earthy and smoky taste. 

  3. How Hot Could A Smoker Get?

    A smoker could go up to 165-400 degrees Fahrenheit. It is suggested that the smoker stays around 250 degrees Fahrenheit so that the food does not burn and gets cooked at a medium flame with the grilled taste intact. 

  4. Could You Use A Smoker In Winter?

    Yes, a smoker could be used in winter. An insulated smoker is suggested to be used so that the retention of heat could be maintained flowing from the smoker.  

  5. Could You Use A Smoker In The Rain?

    Yes, an insulated smoker could be used in any weather provided it is used under a shed or tent so that rainwater doesn’t steep inside. The smoker would work just fine if it were properly covered under its lid and all the vents are covered. Smoking at a consistent temperature may also benefit the smoker in rain. 

  6. Should You Preheat Your Smoker First In Cold Weather?

    Yes, preheating the smoker is suggested so that the food is cooked quickly without using too much fuel. Preheating would make the temperature of the smoker hot enough so that as soon as the food is kept, it starts grilling and evenly.    

  7. How Thick Should Your Insulation Be?  

    The insulation of a smoker is suggested to be around 1 inch. It is suggested that the thickness of the smoker directly impacts accidental burns which are decreased if the thickness of the smoker is enough to not warm up the smoker from outside. 

  8. Should You Use Thicker Metal Instead Of Insulated Firebox Metal?

    Both of these metals do not harm the smoker. The only difference is the thickness between both of them. Insulated firebox metal might be thicker in comparison with other metals. It might decrease the chances of heat wastage which could be caused by thin metals. 

  9. Does Wind Affect A Smoker?

    Wind may cause temperature variations in the smoker or may produce airflow which could hinder the normal functioning of the smoker. Dust particles carried along with wind might settle in the narrow spaces of the smoker which in turn may harm the smoker in some way.  

  10. How Do You Protect Your Smoker From Wind?

    Placing the smoker in a protected area or putting large plywood in front of it could protect the smoker from the wind. Large plywood is suggested as keeping wood near a hot or burning smoker might catch fire and damage the smoker. 

  11. How Do You Cool Down Your Smoker?  

    By gradually closing the bottom vents of the smoker to cut off the air supply slowly underneath the fire in the smoker, it could be cooled down. 


In my opinion smokers are great way of barbeque in a home setting when a small portion of food needs to be grilled. Using an insulated smoker might make it possible to smoke and preserve small amounts of delicious food with all the flavors intact with an extra flavor of smoke. Many smokers generally have the cover and cook option which might be a liked option among the users. 

Portable smokers could be better performing as are generally easy to assemble and the insulation could also be done effectively. Insulation could be a great method for keeping temperatures more constant and provides a number of benefits for a smoker. From maintaining and retaining the heat consumption while preserving the quality of food to minimizing accidental burns.   

Insulation could be custom-made or easily done with the help of an insulation blanket, all depending upon the needs of a smoker. They could be pricey or in the budget, and all kinds of options could be explored. This in turn may benefit the smoker, spread heat evenly throughout the pit which could preserve fuel, maintain the quality of food and increase the shelf-life of the smoker.  

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Sid Wilson

Being a father, a golf lover, and an engineer by profession are the things that define Sid Wilson. He spends most of his time in his garage building and experimenting with stuff. Unscrewing things and then screwing them up is his favorite hobby. Doing these things in his garage has made him what, he is today.

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