Is Great Stuff Flammable? Unveiling the Power Within.

Is Great Stuff Flammable – Understanding the Safety of a Common Household Product

Great Stuff is a common household product that is often used for sealing gaps, cracks, and holes around the house. It is a type of polyurethane foam that expands to fill in these spaces and provides insulation. However, one question that often arises is whether Great Stuff is flammable or not.

The short answer to this question is yes, Great Stuff is indeed flammable. It is important to be aware of this aspect and take the necessary precautions when using this product. However, there are certain factors to consider and safety measures that can be taken to minimize the risks associated with its flammability.

Is Great Stuff Flammable? Unveiling the Power Within.


Understanding the Flammability of Great Stuff

Great Stuff is made up of various chemicals, including polyurethane, which is a combustible material. This means that it can catch fire and sustain a flame under certain circumstances. It is classified as a flammable aerosol, which is a type of substance that can be ignited and burnt when exposed to an open flame, sparks, or extreme heat.

It is important to note that the flammability of Great Stuff varies depending on the specific type and formulation of the product. Some variations may be more flammable than others, so it is crucial to read the product’s instructions and safety data sheet for accurate information about its flammability and handling.

Safety Precautions for Using Great Stuff

While Great Stuff is flammable, it can still be used safely if proper precautions are taken. Here are some important safety measures to consider when using this product:

  1. Ensure good ventilation in the area where you are using Great Stuff. This helps to prevent the buildup of any flammable vapors that may be released during application.
  2. Do not smoke, use an open flame, or create sparks around Great Stuff. Even a small ignition source can lead to a fire.
  3. Avoid exposing Great Stuff to extreme heat. Do not store it near heaters, stoves, or other heat sources.
  4. Protect your skin and eyes by wearing appropriate personal protective equipment, such as gloves and safety glasses, when handling and applying Great Stuff.
  5. Store Great Stuff in a cool, dry place away from direct sunlight and heat sources. Follow the manufacturer’s recommendations for storage.
  6. Keep Great Stuff away from children and pets. Store it in a secure location to prevent accidental exposure or ingestion.
Is Great Stuff Flammable? Unveiling the Power Within.


Alternatives to Great Stuff

If you are concerned about the flammability of Great Stuff or prefer to use a non-flammable alternative, there are other options available in the market. One such alternative is silicone-based sealants. These sealants can also provide effective insulation and seal gaps, cracks, and holes without the risk of flammability.

When choosing an alternative product, it is advisable to research and read reviews to ensure that it meets your specific needs and requirements.

Frequently Asked Questions On Is Great Stuff Flammable? Unveiling The Power Within.

Is Great Stuff Flammable?

Yes, Great Stuff is flammable. It is important to keep it away from open flames or sources of ignition.

How Long Does Great Stuff Take To Dry?

Great Stuff takes about 8 to 24 hours to dry completely, depending on the temperature and humidity levels.

Can Great Stuff Be Used Outdoors?

Yes, Great Stuff can be used outdoors. It is designed to be weather-resistant and can withstand various outdoor conditions.

How Do I Remove Great Stuff From Skin?

To remove Great Stuff from your skin, use acetone or nail polish remover and gently scrub the area until the foam is removed.


While Great Stuff is indeed flammable, understanding its flammability and taking appropriate safety precautions can help ensure safe usage. Following the tips mentioned in this article and educating yourself about the specific product you are using are essential steps in mitigating any potential risks associated with its flammability.

Always prioritize safety when working with any potentially hazardous products, and choose alternatives if you have concerns or need a non-flammable option.

Updated: January 6, 2024 — 7:37 pm