What Insulation Is Used In Ovens And Is It Replaceable 

Insulation in Ovens is generated with various materials to help trap heat so that it does not spread to unwanted places.

Depending on the make and model, you can replace the oven insulation if the damage is widespread.

You may be able to remove the affected insulation without causing any compromise.

What Is Oven Insulation?

Oven insulation keeps high heat inside and out of the surrounding room.

Made from a fibreglass material, the same as the insulating bats inside of the walls of a building, the oven’s insulation is different, with a much higher heat rating than conventional house insulation materials.

The regular house insulation would melt after constant heating temperature exposure of the ordinary oven. The insulation’s work in your oven is two-fold:

  1. It lets your oven temperature surround the unit evenly and get rid of any cool spots.
  2. It will prevent the top of the oven’s outer shell from getting too hot to touch and burning your arms or hands.

A standard oven’s insulation is sandwiched between the appliance’s actual compartment and the metal shell.

While this insulation is enclosed between the two elements, it can get covered with grease over time. This will result in minimizing the material’s efficiency to perform as anticipated.

In addition, this may create a condition that results in the insulation to start breaking down and crumbling. Usually, the crumbling takes place over time.

Therefore, some vintage and antique ovens might need the installation of replacement insulation before using the oven in a contemporary kitchen.

In some commercial ovens used to sure paint and powder coating, and for ovens used for baking things like engine blocks and other car components, the temperatures are usually higher than anything used in the kitchen oven.

As a result, the ovens generally need multiple layers of denser oven insulation layers. This will help in preventing the heat from radiating out and away from the appliance.

In addition, the ovens rely on insulation for even retaining the interior heat. They also have a replacement schedule for changing the insulation prior to it breaking down completely.

The oven’s insulation isn’t glued into position inside the oven’s walls in the usual installation process.

This is because the bonding agent could get hard and crumbly after some heating cycles, causing damage to the insulation material.

Instead, the insulation is usually pushed into place, with the top layers getting laid into place on top of the oven compartment.

In kitchen ovens, the top layer also stops heat from the appliance from escaping through the range’s top burners.

It is normal for a cheap oven to have less insulation than a more costly brand.

Can You Replace Oven Insulation?

Replacing Oven Insulation

You might be able to get rid of the affected insulation and not cause any compromise. Based on the model and make, it is possible to replace the insulation if there’s extensive damage.

Without this insulation, the appliance can be very ineffective as it won’t keep the heat in itself, so it will need more input to ensure it continues working.

Many people are unaware that their oven has insulation until they open it and see several blankets, or rolls, of the material filled inside.

An oven with insulation is essential for several reasons: keeping the outer frame within an appropriate range of temperature.

Do You Require Insulation Around Oven?

You shouldn’t use the oven unless the insulation is in its proper place in the appliance. It isn’t safe to use without the insulation in position. Fire can come from using the appliance without insulation.

Without insulation, the extreme heat generated by the oven will go to the frame, which leaves you at risk of skin burns. In case you touch the oven’s top, front or side, it can burn your skin.

Cooking turkey in an oven with no insulation most likely will not generate much heat on the frame.

However, using the oven for cooking meals for hours continuously can heat the external to the point where it leads to burns when it comes into contact with it. 

Another reason modern ovens are made using insulation is that it contains the heat you require most: in the appliance.

Whether used in ovens or residential buildings, the whole insulation purpose is to prevent thermal energy escape. Insulation materials are effective at trapping heat, so it does not spread into unwanted places.

For instance, you try cooking some turkey in an oven without insulation. You may set the temperature to 355 °F, but unluckily you don’t hear the timer that indicates it is pre-heated.

This is because a lot of heat is escaping through the spots where there isn’t any insulation. Usually, an oven is made with insulation that covers the bottom, sides and top.

If it does not have insulation in only one of the areas, it will lead to a major loss of efficiency.

Insulation in ovens will protect against fires. Though rare, several fire cases have started because people use these appliances with the incorrect insulation type or no insulation.

You should not use conventional home insulation in ovens just because it cannot deal with extreme temperatures. Instead, a special kind of high-heat insulation is needed to ensure that the heat is securely trapped in your oven.

What Material Is The Best Insulator?

Ceramics, rubber, plastic, and wood are great insulators. They are usually used to make utensils, like handles of saucepans, to help stop heat from flowing up to burn your hand.

Fibreglass material is the preferred option for thermal insulation in appliances like dual fuel cooking tops, ovens, and range cookers.

Additionally, plastic is used for covering appliances’ electrical wires.

Based on the model and make of your oven, it is possible replacing the insulation if there’s extensive damage.

If you want to deal with this, you should most likely disconnect the fittings, but it can be complex.

Do Oven Doors Have Insulation?

Like doors and windows, using the proper seals or insulation will help prevent valuable warm or cold air from leaving the house.

The same applies to oven doors. If you have a broken or worn out the seal, the oven might not heat up like it’s supposed to, and you will be wasting energy.

Also read: The Differences Between Ovens, Stoves and Ranges.


Although prevalent in kitchen appliances, fibreglass is gradually being replaced by contemporary fibres and other non-metallic materials. Likewise, an oven is becoming more and more energy-saving with the latest and evolving insulation methods and materials.