20 Best 4×8 Foam Board Insulation [2024]

Are you looking for the best 4x8 Foam Board Insulation? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4x8 Foam Board Insulation.

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# Preview Product
1 Reach Barrier 3009 Garage Door Insulation Kit Reach Barrier 3009 Garage Door Insulation Kit
2 Froth-Pak 210 Spray Foam Insulation Kit, 9ft Hose. Improved Low GWP Formula. Insulates Cavities,... Froth-Pak 210 Spray Foam Insulation Kit, 9ft Hose. Improved Low GWP Formula. Insulates Cavities,...
3 1000sqft (4ft x 250ft) 1/4inch thick Solid Double Sided Reflective Insulation Heavy Duty Platinum... 1000sqft (4ft x 250ft) 1/4inch thick Solid Double Sided Reflective Insulation Heavy Duty Platinum...
4 AES 1200 sqft Carport White Reflective Foam Core 1/4 inch Insulation Barrier Roll AES 1200 sqft Carport White Reflective Foam Core 1/4 inch Insulation Barrier Roll
5 Pink Insulation Foam 2' Thick, Two Pieces (2.5 sq ft) Pink Insulation Foam 2" Thick, Two Pieces (2.5 sq ft)
6 1000sqft (4x250) 1/4 Solid Foam Core Vapor Barrier Double Sided (not cheap bubble) 1000sqft (4x250) 1/4 Solid Foam Core Vapor Barrier Double Sided (not cheap bubble)
7 Pink Insulation Foam 1' Thick (3.75 sq ft) Pink Insulation Foam 1" Thick (3.75 sq ft)
8 400sf (4x100) White Reflective Foam Insulation Vapor Barrier Warehouse Building 400sf (4x100) White Reflective Foam Insulation Vapor Barrier Warehouse Building
9 ProRox SL 960 Rockwool, Roxul, Mineral Wool Insulation Board, with FOIL, High Temperature 8# Density... ProRox SL 960 Rockwool, Roxul, Mineral Wool Insulation Board, with FOIL, High Temperature 8#...
10 EconoHome Heat Reflecting Insulation Roll - 3mm Foam Insulation Core, Double-Sided Aluminum Heat... EconoHome Heat Reflecting Insulation Roll - 3mm Foam Insulation Core, Double-Sided Aluminum Heat...
11 Seal Spray Foam High Performance Closed Cell Insulating Foam Can Kit w/Gun Foam Applicator and 1 Can... Seal Spray Foam High Performance Closed Cell Insulating Foam Can Kit w/Gun Foam Applicator and 1...
12 Owens Corning Pink Foam Insulation Board 1/2' Thick (8 Pieces-1sqft Each) Foamular Boards for Craft... Owens Corning Pink Foam Insulation Board 1/2" Thick (8 Pieces-1sqft Each) Foamular Boards for...
13 Owens Corning Pink Foam Insulation Board 2' Thick (2 Pieces-1.25sqft Each) Foamular Boards for Craft... Owens Corning Pink Foam Insulation Board 2" Thick (2 Pieces-1.25sqft Each) Foamular Boards for...
14 BXI Ceramic Fiber Thermal Insulation Board(2732F) - 12'' X 8'' X 0.4'', Pack of 1 - Inorganic -... BXI Ceramic Fiber Thermal Insulation Board(2732F) - 12'' X 8'' X 0.4'', Pack of 1 - Inorganic -...
15 Dometic Brisk II Rooftop Air Conditioner, 13,500 BTU - Polar White (B57915.XX1C0) Dometic Brisk II Rooftop Air Conditioner, 13,500 BTU - Polar White (B57915.XX1C0)
16 US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4 thick... US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4...
17 AprilAire E070 Pro 70 Pint Dehumidifier for Crawl Spaces, Basements, Commercial up to 2,800 sq. ft. AprilAire E070 Pro 70 Pint Dehumidifier for Crawl Spaces, Basements, Commercial up to 2,800 sq. ft.
18 US Energy -5 Reflective Insulation roll, Foam Core Radiant Barrier 5MM 48'x100' (One Pack) US Energy -5 Reflective Insulation roll, Foam Core Radiant Barrier 5MM 48"x100' (One Pack)
19 NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit 18FT (WIDE) x 8FT (HIGH) R... NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit 18FT (WIDE) x 8FT (HIGH) R...
20 200sqft (4x50) White Reflective Foam Insulation Vapor Barrier Warehouse Building 200sqft (4x50) White Reflective Foam Insulation Vapor Barrier Warehouse Building
SaleBestseller No. 1
Reach Barrier 3009 Garage Door Insulation Kit
  • Reach Barrier(Tm) Reflective Insulation And Bubble Barrier Technology Blocks Up To 95-Percent Of Radiant Heat Which Will Help Save Energy And Money
  • Panels Include 2 Layers Of 5/32-Inch Barrier Bubble Laminated Between 2 Layers Of Reflective Polyethylene, Which Will Help Deliver More Consistent R...
  • Exceeds New Fire Codes And Requires No Maintenance Easy To Use And Install Pre-Cut Panels Require No Protective Clothing Or Special Tools When...
  • Kit Includes: 8 Reach Barrier(Tm) Bubble Insulation Panels, Permanent Bond Adhesive Tape, Garage Door Cleaner Sponge and Easy To Follow Instruction...
Bestseller No. 2
Froth-Pak 210 Spray Foam Insulation Kit, 9ft Hose. Improved Low GWP Formula. Insulates Cavities,...
  • SPECIAL NOTE! Signature Required At The Time Of Delivery. Due to the nature of this product, additional fees apply for returns in accordance with DOT...
  • ENHANCED FORMULA! DuPont FROTH-PAKs have been redesigned for optimal performance and sustainability. IMPROVED SUSTAINABILITY! Global Warming Potential...
  • GAP FILLER! Large openings let air into a home and rob homeowners of money, energy efficiency and comfort. FROTH-PAK 210 Insulation Spray Foam is a...
  • GREAT COVERAGE! FROTH-PAK 210 Insulation Spray Foam Kit is an industry leading and customizable dispensing system helps ensure consistent flow rate,...
  • AWESOME VALUE KIT! FROTH-PAK 210 Insulation Spray Foam Kit comes packed with everything you will need. Each kit includes: 1 Part A Tank of Isocyanate,...
Bestseller No. 3
1000sqft (4ft x 250ft) 1/4inch thick Solid Double Sided Reflective Insulation Heavy Duty Platinum...
  • 4ft x 250ft (1000sqft) Double Sided Reflective Both Sides Super Duty Waterproof / Heavy Duty Scrim
  • Class 1 / Class A Fire Rated / ASTM Certified / Meets all fire Codes
  • Not affected by moisture or humidity. Inhibits condensation and does not promote the growth of fungi, mold or mildew. Does not promote nesting of...
  • Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and...
  • Made and Shipped from th USA
Bestseller No. 4
AES 1200 sqft Carport White Reflective Foam Core 1/4 inch Insulation Barrier Roll
  • >>>1/4 inch thick
  • >>>1200 sqft (2 rolls of 4 feet x 125 feet plus 200sqft)
  • >>>Non-Perforated White Finish
  • Energy Star Qualified : ICC-ES Recognized : R-Value = 15.67 unaffected by humidity
Bestseller No. 5
Pink Insulation Foam 2" Thick, Two Pieces (2.5 sq ft)
  • TWO 15" by 12" by 2" Insulation Pieces R-10.0. Great For Covering Small Places That Need More Insulation, Such As Walls, Around Windows, Or On Floors.
  • Pink Panther Insulation Foam. This Insulation Is Moisture Resistant XPS Insulation Foam Board. It Does Not Crumble Into Small Pieces Like Styrofoam.
  • Wrapped In Construction Paper To Prevent Damage. This Insulation Foam Is Also Very Strong And Stiff, It Is Great For Crafting, Such As Covering With...
  • This Foam Is Very Easy To Cut With A Razor Or Hot Knife, So That You Can Shape It For Any Application.
  • Notice: The Non-Thickness Dimensions Are Plus Or Minus A Quarter Of An Inch.
Bestseller No. 6
1000sqft (4x250) 1/4 Solid Foam Core Vapor Barrier Double Sided (not cheap bubble)
  • 1000 sqft of Low-E Reflective Foam Core 1/8 inch thick Insulation Barrier Perforated
SaleBestseller No. 7
Pink Insulation Foam 1" Thick (3.75 sq ft)
  • TWO 15" by 12" by 1" Insulation Pieces And TWO 7.5" by 12" by 1" Insulation Pieces R-5.0. Great For Covering Small Places That Need More Insulation,...
  • Pink Panther Insulation Foam. This Insulation Is Moisture Resistant XPS Insulation Foam Board. It Does Not Crumble Into Small Pieces Like Styrofoam.
  • Wrapped In Construction Paper To Prevent Damage. This Insulation Foam Is Also Very Strong And Stiff, It Is Great For Crafting, Such As Covering With...
  • This Foam Is Very Easy To Cut With A Razor Or Hot Knife, So That You Can Shape It For Any Application.
  • Notice: The Non-Thickness Dimensions Are Plus Or Minus A Quarter Of An Inch.
Bestseller No. 8
400sf (4x100) White Reflective Foam Insulation Vapor Barrier Warehouse Building
  • 1/8 inch thick
  • Non-Perforated White Finish
  • Prevents Condensation
  • Prevents 97% of radiant heat transfer
  • Seals around nails (no leak)
Bestseller No. 9
ProRox SL 960 Rockwool, Roxul, Mineral Wool Insulation Board, with FOIL, High Temperature 8# Density...
  • Noise Insulation: High density and random fiber orientation trap sound waves and deadens vibration time. Perfect for minimizing noise from offices,...
  • Thermal Insulation: Reduces energy bills for heat. Rockwool has a R-value higher per inch than fiberglass insulation
  • Fire Resistant: Made of rock that is fire resistant. Properties in accordance with ASTM C553
  • Long Term Performance: Due to the durability of rock it has an unlimited lifetime.
  • Pack of 7 Boards 8# 2" thick 2' x 4'
Bestseller No. 10
EconoHome Heat Reflecting Insulation Roll - 3mm Foam Insulation Core, Double-Sided Aluminum Heat...
  • Reliable Aluminum Insulation Roll - Enjoy superior insulation with our heat reflective material. Unlike ordinary bubble cores, ours have a 3mm foam...
  • Versatile Weatherproofing Solution - Our insulation foam may be installed indoors or outdoors. Use the insulation shield to weatherproof barns,...
  • Save On Energy Costs - Make your heating and cooling system work efficiently with this thermal insulation sheet. It helps keep warm air in during the...
  • Easy Installation - Setting up this foil backed insulation is simple. It's made of lightweight material that you may easily cut to the desired shape....
  • Safety First - Compared to traditional forms of insulation, our foil insulation material won't irritate the skin, eyes, or throat. No need to wear...
Bestseller No. 11
Seal Spray Foam High Performance Closed Cell Insulating Foam Can Kit w/Gun Foam Applicator and 1 Can...
  • Two component foam performance in one easy-to-use can. Each can is 27.4oz and covers approximately 25 Board Feet (1 Board Feet = 12" X 12" x 1" Thick)
  • A quick and easy way to seal the gaps in your home and save on energy costs. Applied directly by simply attaching the included spray nozzles to the...
  • Costs much less than the competitor large format two-component kits for the same amount of coverage in board feet.
  • Compact small form factor size wastes less material on smaller projects, no large tank disposal, and you can easily take it anywhere.
  • Multiple users can spray at the same time versus only one with larger format two-component tanks.
Bestseller No. 12
Owens Corning Pink Foam Insulation Board 1/2" Thick (8 Pieces-1sqft Each) Foamular Boards for Craft...
  • This Insulation Is Moisture Resistant XPS Insulation Foam Board. It Does Not Crumble Into Small Pieces Like Styrofoam. Size of 1sqft per panel is...
  • 1ft by 1ft by 1/2" Insulation Pieces R-3.0. Great For Covering Small Places That Need More Insulation, Such As Walls, Around Windows,, On Floors,...
  • This Insulation Foam Board Is Also Very Strong And Stiff, It Is Great For Crafting, Such As Covering With Fabric To Make Homemade Bulletin Boards, Or...
  • This Foam Is Very Easy To Cut With A Razor Or Hot Knife, So That You Can Shape It For Any Application.
  • Important: The 1ft Dimensions Are Plus Or Minus (+/-) A Quarter Of An Inch.
Bestseller No. 13
Owens Corning Pink Foam Insulation Board 2" Thick (2 Pieces-1.25sqft Each) Foamular Boards for Craft...
  • This Insulation Is Moisture Resistant XPS Insulation Foam Board. It Does Not Crumble Into Small Pieces Like Styrofoam. Size of 1sqft per panel is...
  • 15" by 12" by 2" Insulation Pieces R-10. Great For Covering Small Places That Need More Insulation, Such As Walls, Around Windows,, On Floors, Attics...
  • This Insulation Foam Board Is Also Very Strong And Stiff, It Is Great For Crafting, Such As Covering With Fabric To Make Homemade Bulletin Boards, Or...
  • This Foam Is Very Easy To Cut With A Razor Or Hot Knife, So That You Can Shape It For Any Application.
  • Important: The Length and Width Dimensions Are Plus Or Minus (+/-) A Quarter Of An Inch.
Bestseller No. 14
BXI Ceramic Fiber Thermal Insulation Board(2732F) - 12'' X 8'' X 0.4'', Pack of 1 - Inorganic -...
  • 【SPECIFICATION】: 12'' X 8'' X 0.4''(30cm x 20cm x 1cm); Weight: 0.68 pounds; High DENSITY: 600kg/m3; MATERIAL: Aluminosilicate
  • 【PARAMETERS】: | Fire Resistant (Class A1) | Long-term Service Temperature ~ 2552°F (1400°C) | Maximum Use Temperature: 2732°F (1500°C) |...
  • 【INORGANIC】: Compared with organic ceramic fiber products, which are very common in the market, inorganic boards have much higher R-value,...
  • 【ENDLESS APPLICATIONS】: Heat shields & thermal insulation for various heating treatment equipments like furnace, oven, stove, internal baffle of...
  • 【EASY TO USE】: Tough, Robust, Non toxic, Notable resistance against thermal shock & chemical attack. Easy to cut with a saw or sharp knife. Note:...
SaleBestseller No. 15
Dometic Brisk II Rooftop Air Conditioner, 13,500 BTU - Polar White (B57915.XX1C0)
  • Your purchase includes One Dometic Brisk II Rooftop Air Conditioner, 13,500 BTU - Polar White B57915.XX1C0 model, One Warranty card and One...
  • Air conditioner dimensions: 29 5/8” W x 13 7/8” H x 27 5/8” D. Weight 77 lbs
  • Performance: 13,500 BTU/h. Input voltage (AC): 115V. Does not include Heat Pump
  • Dampening brackets reduce noise and vibration
  • The Brisk II's smart design and improved materials combine to maximize air flow and performance
Bestseller No. 16
US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4 thick...
  • This is the upgraded 5/16 Foam Core with Super Duty Double Sided Foam Tape Two Car Garage Door kit that Creates an air pocket to obtain an R8 value...
  • Light Weight and Easy to install (no impact on garage door performance)
  • Saves heating/cooling costs: (keeps the heat i during winter, keeps the heat out in the summer)
  • Thickest Reflective foam core insulation on the market (5/16" thick) The other kits are 1/4 and less thick!
  • Very clean, finished look!!! Non toxic / Non carcinogenic / Non Fiberglass
SaleBestseller No. 17
AprilAire E070 Pro 70 Pint Dehumidifier for Crawl Spaces, Basements, Commercial up to 2,800 sq. ft.
  • PROTECT YOUR HOUSE - Helps prevent mold, termites, structural wood rot, and odors in a sealed crawl space, and damp carpeting and furnishing, mold,...
  • COMPACT SIZE (12.5” x 12.5” x 25”) fits through most crawl space doors, and between joists and tight spaces
  • EFFICIENT PERFORMANCE - Removes up to 70 PPD of moisture inside homes up to 2,800 square feet
  • NO MESSY WATER TRAY TO EMPTY and simple to set up - just place the hose (included) or place dehumidifier over a floor drain
  • BUILT TO LAST with corrosion-resistant aluminum coils, AprilAire Dehumidifiers are designed and manufactured in the U.S.A. by AprilAire, the leader...
Bestseller No. 18
US Energy -5 Reflective Insulation roll, Foam Core Radiant Barrier 5MM 48"x100' (One Pack)
  • EXTREMELY EFFECTIVE - Reflect 97% of radiant energy, perfect RADIANT BARRIER. R-value up to 15.62 (1 layer), up to 21.10 (2 layers) (building...
  • Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and...
  • Waterproof, Not affected by moisture or humidity. Inhibits condensation and does not promote the growth of fungi, mold or mildew. Does not promote...
  • Saves energy by reducing the stress on heating and cooling systems, keeping your home warmer in the winter, and cooler in the summer. It can reduce...
  • Size 48inch x 100ft
Bestseller No. 19
NASA TECH White Reflective Foam Core 2 Car Garage Door Insulation Kit 18FT (WIDE) x 8FT (HIGH) R...
  • This Kit Includes: 4 rolls of 2ft x 18ft White/Foil Foam Core Insulation, Heavy Duty Double Sided Tape, Razor, Squeegee, Easy Instructions
  • Made in the USA / Ships form USA / Meets all US and Intl Fire Codes
Bestseller No. 20
200sqft (4x50) White Reflective Foam Insulation Vapor Barrier Warehouse Building
  • 1/8 inch thick
  • Non-Perforated White Finish
  • Prevents Condensation
  • Prevents 97% of radiant heat transfer
  • Seals around nails (no leak)

Having trouble finding a great 4x8 Foam Board Insulation?

This problem is well understood by us because we have gone through the entire 4x8 Foam Board Insulation research process ourselves, which is why we have put together a comprehensive list of the best 4x8 Foam Board Insulations available in the market today.

After hours of searching and using all the models on the market, we have found the best 4x8 Foam Board Insulation for 2023. See our ranking below!

How Do You Buy The Best 4x8 Foam Board Insulation?

Do you get stressed out thinking about shopping for a great 4x8 Foam Board Insulation? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4x8 Foam Board Insulation, which is why we have assembled a comprehensive list of the greatest 4x8 Foam Board Insulation available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4x8 Foam Board Insulation that you consider buying. Your questions might include the following:

  • Is it worth buying an 4x8 Foam Board Insulation?
  • What benefits are there with buying an 4x8 Foam Board Insulation?
  • What factors deserve consideration when shopping for an effective 4x8 Foam Board Insulation?
  • Why is it crucial to invest in any 4x8 Foam Board Insulation, much less the best one?
  • Which 4x8 Foam Board Insulation are good in the current market?
  • Where can you find information like this about 4x8 Foam Board Insulation?

We’re convinced that you likely have far more questions than just these regarding 4x8 Foam Board Insulation, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4x8 Foam Board Insulation, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4x8 Foam Board Insulation. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4x8 Foam Board Insulation buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4x8 Foam Board Insulation currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4x8 Foam Board Insulation has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4x8 Foam Board Insulation?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4x8 Foam Board Insulation.
  5. Customer Ratings: Number ratings grade 4x8 Foam Board Insulation objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4x8 Foam Board Insulation.
  7. Product Quality: You don’t always get what you pay for with an 4x8 Foam Board Insulation, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4x8 Foam Board Insulation is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4x8 Foam Board Insulation information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4x8 Foam Board Insulation is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best insulation board?

A: Extruded polystyrene (XPS), also known as blueboard, acts as the best insulating foam board for below-grade applications, according to the U.S. Green Building Council. XPS offers greater moisture resistance than EPS, without the need for special films or coating to fend off moisture.

Q: What is foam insulation used for?

A: Benefits. In addition to building temperature and moisture control, spray foam insulation is often used to reduce noise. Foam insulation serves as a barrier to airborne sounds, and reduces airborne sound transfer through a building’s roof, floor and walls compared an uninsulated structure. In the United States,…

Q: What is a foam board insulation?

A: Foam boards – rigid panels of insulation – can be used to insulate almost any part of your home, from the roof down to the foundation. They provide good thermal resistance and often add structural strength to your home. Foam board insulation sheathing reduces heat conduction through structural elements, like wood and steel studs.

Q: What are insulation panels?

A: Structural insulated panels (SIPs) are a high performance building system for residential and light commercial construction. The panels consist of an insulating foam core sandwiched between two structural facings, typically oriented strand board ( OSB ).