Best Thermal Insulation Under Laminate Flooring

The best thermal insulation under laminate flooring is typically achieved with high-quality underlayment materials specifically designed for thermal resistance. Look for options with features such as moisture resistance, heat reflective properties, and easy installation to enhance the overall insulation performance and energy efficiency of your laminate flooring.

Effective insulation not only enhances comfort but also contributes to energy efficiency, making it a crucial consideration for homeowners. In this article, we will delve into the various types of thermal insulation materials, factors to consider when choosing the best option, top brands and products, and essential installation tips.

Types of Thermal Insulation Materials

Foam Underlayment

Foam underlayment stands out for its exceptional thermal insulation properties. Its closed-cell structure provides a barrier against heat transfer, ensuring a cozy and energy-efficient environment. Popular brands such as QuietWalk and Roberts AirGuard offer reliable options with features like noise reduction and moisture resistance.

Reflective Foil Insulation

Known for its heat-reflective properties, reflective foil insulation is a top choice for enhancing thermal efficiency. The reflective surface minimizes heat absorption, making it ideal for spaces with ample sunlight exposure. Installation is relatively simple, and brands like Prodex and Reflectix are renowned for their quality reflective foil products.

Combination Underlayment

For those seeking a versatile solution, combination underlayment materials offer the best of both worlds. These hybrids often integrate foam and reflective foil elements, providing superior insulation and additional benefits. Products like MP Global’s QuietWarmth combine the strengths of different materials, ensuring optimal thermal performance.

Considerations for Choosing the Best Thermal Insulation

Moisture resistance is a critical factor in preserving both the insulation material and the laminate flooring. Opt for underlayment with built-in moisture barriers or consider additional moisture-resistant layers. Brands like FloorMuffler and Eco Cork Foam are known for their moisture-resistant options.

Enhancing energy efficiency is a primary goal of thermal insulation. Choosing materials with excellent heat-reflective properties is key. Brands like EcoFoil and InfraStop offer products designed to reflect and radiate heat, ensuring a well-insulated space.

Whether you’re a seasoned DIY enthusiast or opting for professional installation, choosing an underlayment with ease of installation is crucial. Consider products with user-friendly features, such as pre-attached adhesive strips or interlocking mechanisms. Brands like Roberts and QuietWalk provide options that cater to both DIYers and those seeking professional installation.

Top Brands and Products

Several reputable brands have earned the trust of consumers in the thermal insulation market, offering a range of products designed to enhance the performance of laminate flooring. Understanding the strengths and specialties of these brands can guide homeowners in making informed decisions about the most suitable thermal insulation for their specific needs.


Known for its exceptional sound absorption capabilities, QuietWalk offers underlayment options that excel in reducing impact noise. The brand’s commitment to quality materials ensures a durable and effective thermal insulation solution.

QuietWalk Underlayment with Moisture Barrier – A top choice for its moisture resistance and sound reduction properties.

MP Global

MP Global is recognized for its innovative approach to thermal insulation. The brand often integrates multiple materials to create combination underlayment products that deliver superior performance.

QuietWarmth Radiant Heat Film – Ideal for those seeking a combination of radiant heat and effective thermal insulation.

Eco Cork Foam

Combining the natural benefits of cork with the resilience of foam, Eco Cork Foam underlayment stands out for its eco-friendly approach and enhanced insulation properties.

Eco Cork Foam Underlayment – An excellent choice for those prioritizing sustainability without compromising on thermal performance.

Specific Product Recommendations

  1. QuietWalk Underlayment:
    • Features: This underlayment is designed to provide exceptional sound absorption and moisture protection. Its recycled fibers and built-in vapor barrier make it an eco-friendly and high-performance choice.
    • Benefits: Reduces noise transmission, resists mold and mildew, and provides thermal insulation.
    • Usage: Ideal for installations under laminate flooring where sound reduction and moisture resistance are priorities.
  2. Reflectix Reflective Insulation:
    • Features: Reflectix is a leading brand in reflective foil insulation, offering products with a unique bubble design that enhances heat reflection. The reflective surface helps in minimizing heat absorption and improving energy efficiency.
    • Benefits: Effective in reflecting radiant heat, easy to install, and versatile application in various spaces.
    • Usage: Recommended for areas with significant sunlight exposure and for homeowners seeking efficient heat reflection.
  3. Eco Cork Foam Underlayment:
    • Features: This underlayment combines the natural properties of cork with the added benefits of foam, creating a resilient and environmentally friendly insulation solution.
    • Benefits: Excellent thermal insulation, eco-friendly materials, and additional support for flooring stability.
    • Usage: Suitable for homeowners looking for a sustainable option with enhanced insulation performance.

Installation Tips

Measure and Plan

Before beginning the installation process, carefully measure the dimensions of the room to ensure you purchase the correct amount of thermal insulation. Plan the layout, considering seams, corners, and doorways.

Prepare the Subfloor

Ensure the subfloor is clean, dry, and free of any debris. Repair any imperfections or irregularities in the subfloor to create a smooth surface for the underlayment.

Unroll and Cut the Underlayment

Roll out the thermal insulation material across the floor, allowing it to acclimate to the room’s temperature. Cut the underlayment to fit the room dimensions, leaving a small gap around the edges to accommodate for expansion.

Seal Seams and Joints

If your underlayment comes in rolls, carefully seal seams and joints using adhesive tape or other recommended methods suggested by the manufacturer. Properly sealed seams prevent air and moisture infiltration, enhancing the insulation’s effectiveness.

Install Laminate Flooring

Once the underlayment is securely in place, proceed with the installation of the laminate flooring according to the manufacturer’s instructions. Ensure a snug fit, and be mindful of any additional requirements for subfloor preparation.

Mistakes to Avoid

  1. Neglecting proper moisture protection.
  2. Failing to secure seams and joints.
  3. Disregarding manufacturer guidelines for installation.


In conclusion, selecting the best thermal insulation under laminate flooring is a crucial step in creating a comfortable and energy-efficient living space. Consider the specific benefits of foam, reflective foil, or combination underlayment, and prioritize features such as moisture resistance and ease of installation. With reputable brands and quality products available, homeowners can achieve optimal thermal performance and elevate their living spaces to new levels of comfort and efficiency

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