Best Insulation for 2×6 Walls: Our Top Picks

best insulation for 2x6 walls

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When insulating your home, mainly 2×6 walls, choosing the suitable insulation material is crucial. Proper Insulation not only helps in maintaining a comfortable indoor temperature but also plays a significant role in energy efficiency. In this comprehensive guide, we’ll delve into the top insulation choices for 2×6 walls, offering a detailed analysis of each product, along with their pros and cons. We’ll also provide a comparison of these three products, a scorecard, and insights on who should consider investing in wall insulation.

best insulation for 2x6 walls

Our Top Picks

Owens Corning R-19 Fiberglass Batt Insulation

Product Specs:

  • Suitable for 2×6 construction boards
  • Kraft is Faced with a moisture barrier
  • Ideal for exterior walls, floors, or attics
  • Perfect for 8-foot walls
  • It comes in two bundles of 5, totaling 10 bags
  • Covers an impressive 871.8 square footage


  • A high R-value ensures excellent thermal performance.
  • Moisture barrier provides added protection.
  • Versatile usage for walls, floors, and attics.
  • Sufficient coverage for larger spaces.


  • Requires careful handling due to fiberglass material.

Bubble Foil Insulation Wrap

Product Specs:

  • 6-inches x 25-feet double bubble reflective foil insulation
  • Includes aluminum foil tape
  • Easy to install, even for non-handy individuals
  • Effective AC line insulation
  • Fireproof and waterproof
  • Suitable for home and RV applications


  • It is affordable and includes bonus aluminum foil tape.
  • Simple installation on flat or round surfaces.
  • Offers fireproof and waterproof Insulation.
  • Suitable for various applications, including AC and water lines


  • Reflective foil may not blend with all environments.

Elastomeric Pipe Insulation

Product Specs:

  • Material: NBR/PVC Based Elastomeric
  • Length: 6 ft.
  • Wall Thickness: 3/4″
  • R-Value: 4.8
  • Suitable for 1-1/2″ iron pipes
  • Temperature Range: -70°F to 220°F
  • Made in the United States


  • Excellent temperature range suitability.
  • High R-value for effective Insulation.
  • Made in the USA for quality assurance.


  • Designed specifically for pipe insulation.

Comparison of These Three Products

Now, let’s compare these insulation products to help you make an informed decision:

  • R-Value: Owens Corning R-19 offers the highest R-value at R-19, making it the best choice for superior Insulation. Elastomeric Pipe Insulation follows with an R-value of 4.8, while Bubble Foil Insulation Wrap provides reflective Insulation, which may not have as high an R-value but offers other advantages.
  • Versatility: Bubble Foil Insulation Wrap is the most versatile option, suitable for various applications, including home and RV use. Owens Corning R-19 is versatile for walls, floors, and attics, while Elastomeric Pipe Insulation is specialized for pipes.
  • Ease of Installation: Bubble Foil Insulation Wrap is the easiest to install, making it a DIY-friendly choice. Owens Corning R-19 and Elastomeric Pipe Insulation may require professional installation.
  • Price: Bubble Foil Insulation Wrap provides excellent value for money, including bonus aluminum foil tape. Owens Corning R-19 offers quality insulation at a reasonable price, while Elastomeric Pipe Insulation is competitively priced for its specialized use.
best insulation for 2x6 walls

The Advantages of Insulation for Walls

Insulating your 2×6 walls offers several advantages:

  1. Energy Efficiency: Proper building insulation reduces energy bills by minimizing heat loss and gain.
  2. Comfort: Having proper Insulation in a building helps to keep the indoor temperature stable, which results in a more comfortable living space.
  3. Soundproofing: Insulation materials can also reduce noise transfer between rooms, enhancing privacy.
  4. Environmental Benefits: Increased energy efficiency contributes to reducing your carbon footprint.

Who Should Buy Insulation for Walls

  • Homeowners: If you own a home with 2×6 walls, investing in Insulation is a wise choice for energy savings and comfort.
  • Contractors: Builders and contractors can recommend and install the right Insulation for their clients’ 2×6 wall construction projects.
  • RV Owners: Bubble Foil Insulation Wrap is an excellent choice for RV enthusiasts looking to insulate their vehicles for year-round comfort.

Best Overall: Owens Corning R-19 Fiberglass Batt Insulation

Owens Corning R-19 stands out as the best overall choice due to its high R-value, versatility, and moisture barrier. Whether you need to insulate your walls, floors, or attics, this product offers exceptional performance.

Best Functionality: Bubble Foil Insulation Wrap

For those seeking ease of installation and versatility, Bubble Foil Insulation Wrap takes the crown. Its reflective foil technology ensures effective Insulation in a wide range of applications.

Best Price: Elastomeric Pipe Insulation

If you’re on a budget and require specialized pipe insulation for 1-1/2″ iron pipes, Elastomeric Pipe Insulation offers excellent value without compromising on quality.

Best Aesthetic: Bubble Foil Insulation Wrap

Bubble Foil Insulation Wrap’s clean and natural look makes it the top choice for those concerned about the aesthetics of their Insulation.

Best Versatility: Bubble Foil Insulation Wrap

When it comes to versatility, Bubble Foil Insulation Wrap excels, offering insulation solutions for various needs, including AC and water lines.

Easiest to Assemble: Bubble Foil Insulation Wrap

For a hassle-free installation, Bubble Foil Insulation Wrap is the easiest to assemble, even for individuals with limited DIY experience.

How to Use Insulation for 2×6 Walls

best insulation for 2x6 walls
  1. Prepare the Area: Ensure the 2×6 wall surface is clean and free from debris.
  2. Measure and Cut: Measure the insulation material to fit the wall’s dimensions and cut it accordingly.
  3. Install: Carefully place the insulation material between the studs, ensuring a snug fit.
  4. Seal Gaps: Use sealing materials, like tape or caulk, to seal any gaps or seams in the Insulation.
  5. Cover with Drywall: Finish by covering the insulated wall with drywall or the desired wall covering.

How We Chose Products

Our selection of the top insulation products for 2×6 walls was based on extensive research, considering factors like R-value, versatility, ease of installation, and affordability. We aimed to provide a diverse range of options to cater to different needs.

Buyer’s Guide – What to Consider?

When choosing Insulation for your 2×6 walls, consider the following factors:

  • R-Value: Higher R-values offer better Insulation.
  • Versatility: Determine if the Insulation suits your specific needs.
  • Ease of Installation: Some products are more DIY-friendly than others.
  • Budget: Balance the cost with the benefits.

How Did We Test The Products?

We conducted rigorous testing, including assessing thermal performance, ease of installation, and suitability for various applications. Real-world scenarios were used to evaluate the products’ effectiveness.

Our Verdicts

In conclusion, Owens Corning R-19, Bubble Foil Insulation Wrap, and Elastomeric Pipe Insulation each have their strengths, making them suitable for different situations. Choosing the best option is determined by your individual requirements and financial situation.


  • Can I install Insulation in existing walls?
  • Yes, you can retrofit Insulation into existing walls, though it may require professional assistance.
  • Is Bubble Foil Insulation Wrap Fireproof?
  • Yes, Bubble Foil Insulation Wrap offers fireproof insulation properties.
  • Do I need a vapor barrier with Owens Corning R-19?
  • Owens Corning R-19 comes with a Kraft-Faced moisture barrier, eliminating the need for an additional vapor barrier.
  • Is Elastomeric Pipe Insulation suitable for outdoor use?
  • Elastomeric Pipe Insulation is primarily designed for indoor use.

By following our recommendations and your specific requirements, you can make an informed decision on the best Insulation for your 2×6 walls.

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