Is glass wool insulation dangerous? The reason why I still choose it

1/3/20244 min read

While some people are concerned about the health issues associated with glass wool, many still consider it an effective building insulation option when used and installed correctly. When choosing building materials, it is important to make informed decisions based on personal needs, health, and project requirements. If there are significant health concerns, consider consulting a professional for more detailed information and advice.

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6 reasons why I choose glass wool

Excellent thermal insulation performance: Glass wool has excellent thermal insulation performance, which can effectively reduce the energy consumption of the building and provide good thermal insulation effect.

Good fire-retardant properties: Glass wool is a fire-retardant material that helps improve the fire safety of buildings.

Easy to install: Glass wool material is light and soft, making the installation process relatively simple and suitable for various building structures.

Anti-mildew and anti-corrosion: Glass wool is not susceptible to moisture and has strong resistance to mold and corrosion, helping to maintain the health of the building structure.

Long Life: Glass wool generally has a long lifespan and provides long-lasting insulation.

Environmental considerations: Glass wool may involve energy consumption during its production, but due to its recyclability, its environmental impact during its life cycle is relatively small. In addition, some glass wool products are designed to be low VOC (volatile organic compounds) to reduce potential impacts on indoor air quality.

Affordable: Glass wool is generally a relatively affordable building insulation material, suitable for projects with budget constraints.

How do I avoid security issues？

Fiberglass & Mineral Wool:The reason why the builders chooses it

No matter your building challenge, fiberglass and mineral wool will meet the job's demands.

Fiberglass and mineral wool insulation make up 72% of the insulation material in new homes for a reason.Both products are highly cost-effective selections to meet desired labeled thermal performance.

Builders have many choices regarding the products they choose for new home construction. Providing information that clearly outlines the benefits of products helps make an informed choice. Cost-effectiveness is just one consideration – it is rarely the sole deciding factor in selecting a product. This is enough to prove that their comprehensive performance is your best choice for house heating.

During use, pay attention to these points and you can easily avoid safety problems：

Proper Installation: To minimize potential health risks, it's crucial to follow the manufacturer's guidelines and industry best practices during the installation of glass wool insulation.
Personal Protective Equipment (PPE): Workers handling glass wool should use appropriate PPE, including gloves, goggles, and masks, to protect against skin and respiratory irritation.
Minimize Fiber Release: Proper handling and cutting techniques help minimize the release of airborne fibers during installation.

R-Value and Heat Insulation

R-value is an index used to measure the thermal resistance performance of insulating materials. It represents the ratio of the temperature difference per unit area to the unit thickness. Glass wool is a commonly used insulation material, and its R-value usually depends on the density and thickness of the material. The following are the R-value ranges of glass wool insulation materials at some common thicknesses:

Thin glass wool board (1 inch thick): Typical R-value range is 3.1 - 4.0.

Medium Density Glass Wool Board (3.5 inches thick): R-value ranges up to 11 - 15.

High-density glass wool board (6 inches thick): R-value can range beyond 20.

These values are general guidelines only and actual R-values may vary depending on manufacturer, product model and specific application. When selecting the appropriate glass wool insulation material, in addition to focusing on the R-value, other factors should be considered, such as the material's suitability, fire performance, acoustic performance, and cost. It is recommended that when selecting and using insulation materials, you carefully review the product specifications and performance data provided by the manufacturer.