Is Pink Insulation Flammable

Is Pink Insulation Flammable?

When it comes to home insulation, safety is a top concern for homeowners. Pink insulation, also known as fiberglass insulation, is a popular choice due to its effectiveness in insulating homes. However, one common question that arises is whether pink insulation is flammable. In this article, we will explore the flammability of pink insulation to provide you with the information you need.

Understanding Pink Insulation

Pink insulation is made from tiny glass fibers that are spun together to create a fluffy material. It is commonly used to insulate walls, floors, ceilings, and attics. The pink color serves as a branding distinction for insulation made by Owens Corning, one of the largest insulation manufacturers.

Is Pink Insulation Flammable


Is Pink Insulation Flammable?

In order to understand the flammability of pink insulation, we need to delve into its composition. Fiberglass insulation itself is not flammable. It is made from glass, which is an inorganic material and does not support combustion. Therefore, pink insulation is considered non-combustible.

However, it is important to note that while the insulation itself is not flammable, the facing material used with the pink insulation may affect its flammability. Facing materials, such as vapor barriers or paper backing, are sometimes used to cover the insulation and provide additional protection. These facing materials may have varying degrees of flammability, depending on their composition.

Is Pink Insulation Flammable


Fire Ratings and Codes

Fire ratings and building codes play a crucial role in ensuring the safety of insulation materials. Pink insulation, like any other insulation product, must meet certain fire safety standards and regulations. The fire rating of insulation is determined by its ability to resist flames and prevent the spread of fire.

The most common fire ratings for insulation materials are Class A, Class B, and Class C. Class A indicates the highest level of fire resistance, while Class C indicates the lowest level of fire resistance. Pink insulation generally falls under Class A or Class B fire ratings, making it a safe choice for residential and commercial buildings.

Additional Safety Measures

While pink insulation is considered non-combustible and meets fire safety regulations, it is always wise to take additional safety measures. Here are a few tips to enhance the safety of your insulation:

  1. Ensure proper installation: Improperly installed insulation can pose fire hazards. Hire a professional insulation contractor to install the insulation correctly.
  2. Keep insulation away from heat sources: While pink insulation has a high melting temperature, it is best to keep it away from heat sources such as furnaces, water heaters, or recessed lighting fixtures.
  3. Use proper facing material: If a facing material is required, ensure that it meets fire safety standards and is installed according to manufacturer guidelines.
  4. Regularly check for damage: Inspect your insulation periodically for damage or signs of wear. Any damage to the insulation should be repaired or replaced promptly to maintain its fire resistance properties.

In Conclusion

Is pink insulation flammable? The answer is no. Pink insulation, or fiberglass insulation, is non-combustible. However, the flammability of facing materials used with pink insulation may vary. By adhering to proper installation practices and following safety guidelines, you can enjoy the benefits of pink insulation while ensuring a safe and well-insulated home.


1. Owens Corning. (n.d.). Insulation Types: A Comprehensive Guide. Retrieved from

2. Smart Energy Solutions. (2021). What every homeowner should know about insulation. Retrieved from,%2C%20fiberglass%20is%20completely%20noncombustible.

Frequently Asked Questions For Is Pink Insulation Flammable

Is Pink Insulation Flammable?

Pink insulation, also known as fiberglass insulation, is not flammable and is considered to be fire-resistant.

Can Pink Insulation Catch Fire?

No, pink insulation does not easily catch fire. It is made with fire-resistant materials that inhibit the spread of flames.

Is Pink Insulation A Fire Hazard?

Pink insulation is not a fire hazard. It is designed to resist high temperatures and slow down the spread of fire in buildings.

What Is The Fire Rating Of Pink Insulation?

Pink insulation typically has a fire rating of Class A, which means it has the highest level of fire resistance.

Updated: January 2, 2024 — 2:50 am