10 Best Insulation Knives of 2021

Do you need help deciding which is best insulation knives to use? Based on expert reviews, we ranked them. Here are the top ranked insulation knives, including those that sell well. Can't find the perfect insulation knives to buy? Since we have already gone through the insulation knives research process, we understand this problem. In order to be able to offer you the best insulation knives available on the market today, we have compiled a comprehensive insulation knives list. The best insulation knives of 2021 is found after hours of research and using all the current models. See what we ranked below!

10 Best insulation knives: Editor Recommended

Best Insulation Knives Reviews in 2021

Bestseller No. 1
Fuller Tool 320-0100 Insulation Knife - Double Sided
  • Specifically designed to cut mineral wool and other types of insulation
  • 11" Stainless steel blade.
  • Composite grip for comfort
  • Quality you can depend on.
  • Backed by Fuller's Limited Lifetime warranty
Bestseller No. 2
Red Devil 4609 Batting Knife, 8", Brown
  • Use for cutting foam and fiberglass insulation
  • Hardwood handle
  • Hardened high carbon, high alloy, stainless steel blade gives enhanced sharpness, edge holding, and ease of re-sharpening
  • Corrosion resistant
  • Click on the Red Devil Link at the top of this page to see more from Red Devil
Bestseller No. 3
ALLEX Insulation Knife with Sheath Japanese Stainless Steel 8 Inch Long...
  • Utility Insulation Cutting Tool: It is an easy-to-use Japanese insulation cutter. This versatile knife is ideal for cutting various insulator materials, styrofoam, polyurethane foam, foam, glass wool, mineral wool, Rockwool, fiberglass insulation, etc....
  • Razor Sharp Japanese Steel: The blade uses Japanese high-grade stainless steel. The excellent sharpness of the Japanese steel knife minimizes chips and provides a smooth cutting feel. Improves work efficiency even when cutting materials that are difficult...
  • Long and Serrated Blade: The 8 inch long blade can cut even large-sized insulation materials. It has a unique wave blade edge (serrated blade) processing specialized for cutting heat-insulating materials and styrofoam.
  • Safety Blade Cover: It comes with a blade cover that is convenient for safe carrying. You can also store it safely at home or in your workplace.
  • Overall Length: 13" / Blade Length: 8" / / Blade thickness: 1.5 mm / Weight 4 oz / Made in JAPAN
Bestseller No. 4
Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle
  • Hardened high carbon chrome vanadium steel blade
  • Ground and tempered to precise tolerances
  • Smooth hardwood handle
  • Blade is securely riveted and locked in place with a strong nickel plated ferrule
SaleBestseller No. 5
ALLEX Insulation Knife Wood Handle Japanese Stainless Steel 8 Inch Long...
  • Utility Insulation Cutting Tool: Utility Insulation Cutting Tool: It is an easy-to-use Japanese insulation cutter. This versatile knife is ideal for cutting various insulator materials, styrofoam, polyurethane foam, foam, glass wool, mineral wool,...
  • Razor Sharp Japanese Steel: The blade uses Japanese high-grade stainless steel. The excellent sharpness of the Japanese steel knife minimizes chips and provides a smooth cutting feel. Improves work efficiency even when cutting materials that are difficult...
  • Long and Serrated Blade: The 8 inch long blade can cut even large-sized and pipe shaped insulation materials. It has a unique wave blade edge (serrated blade) processing specialized for cutting heat-insulating materials and styrofoam.
  • Safety Blade Case: It comes with a blade cover that is convenient for safe carrying. You can also store it safely at home or in your workplace.
  • Overall Length: 13-3/4" / Blade Length: 8" / Blade thickness: 1.5 mm / Weight 5.64 oz / Made in JAPAN
Bestseller No. 6
Dexter SG142-8TE-PCP Sofgrip Tiger Edge Slicer, 8-Inch
  • Bait cutter goes through fresh and frozen bait with ease
  • Features our Sofgrip handle that is soft to the grip
  • Proprietary High Carbon, High Alloy, Stain free DEXSTEEL
  • This knife is NSF certified
  • Made in USA
SaleBestseller No. 7
ToughBuilt - Insulation Knife - Heavy-duty Sheath with Belt Clip - 6”...
  • HEAVY-DUTY AND DURABLE- The ToughBuilt Insulation Knife maximizes productivity on the jobsite. The titanium-coated stainless-steel blade is engineered to stay sharper up to 2X longer when cutting mechanical and HVAC insulation. A full metal tang provides...
  • PRACTICAL AND SAFE- The slim, lightweight body takes up less space but stands up to jobsite abuse. The durable molded sheath provides protection, and the belt clip makes it easy to store and carry.
  • BUILT TO LAST- Made from quality materials and built to last years in the field. It stands up to some of the toughest environments. Covered with our limited lifetime warranty to the original purchaser against defects in material or workmanship.
  • PROFESSIONAL DESIGN- Ergonomic, soft-touch handle and rugged double injected plastic sheath. Conceived to keep up with the rigorous demands of today´s hardworking pros.
  • USA QUALITY CONTROL- ToughBuilt products are designed, engineered, tested, and inspected in the USA to ensure high quality. You can be sure that you're getting the toughest tools on the market.
Bestseller No. 8
Morakniv Craftsmen 7350 Insulation Knife with Serrated Stainless Steel...
  • Professional grade trade knife with serrated stainless steel blade
  • Extra-long serrated blade for cutting insulation
  • Ample-sized plastic handle to fit your hand even when wearing gloves
  • Limited lifetime manufacturer’s warranty.
  • Blade Thickness: 0.06" (1.5 mm), Blade Length: 13.8" (350 mm), Total Length: 19.7" (500 mm), Weight: 8.4 oz. (238g)
Bestseller No. 9
Electric Foam Cutter Knife Sponge Peral Foam Cutting Tool Groove Slotting...
  • [Information]: Voltage: 110V/50Hz; Power: 190W; Max temperature: 500 degree; Body weight: 610g; Power cord length: 3.0m; Adjustment button: 16 steps;
  • [Application]: suitable for cutting EPS, XPS foam boards for building walls, houses and ground insulation.
  • [Advantages]: cutting foam, sponge, KT board, pearl cotton, EVA, extruded plate, polyvinyl chloride, benzene board and so on, cutting, oblique slotting, used for foam DY carving, making insulation material packaging shape. Smooth cut, no broken layer,...
  • [Package include]: Electric Foam Cutter*1; Large/small slotting boards; Guide device*1; Sculpture Plate*1; Pliers/brush; T-ruler*1;Flexible blades*2; 15cm/20cm straight blades
  • [Warranty]: One year warranty (not include the blades!)
Bestseller No. 10
Bullet Tools CB50-1107 7 in. CenterFire Insulation Knife Blade for cutting...
  • Easily cuts notches and squares around outlets, and circles in sheets
  • Flexible blade for quickly cutting expanded foam around windows
  • Non-serrated edge eliminates dust and debris
  • Handles “hard to cut” insulation like denim and rockwool
  • Long-lasting carbon steel blade outlasts most other blades

How Do You Buy The Best Insulation Knives?

Do you get stressed out thinking about shopping for a great insulation knives? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching insulation knives, which is why we have assembled a comprehensive list of the greatest insulation knives available in the current market. We’ve also come up with a list of questions that you probably have yourself. Plumbar Oakland 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 insulation knives that you consider buying. Your questions might include the following:
  • Is it worth buying an insulation knives?
  • What benefits are there with buying an insulation knives?
  • What factors deserve consideration when shopping for an effective insulation knives?
  • Why is it crucial to invest in any insulation knives, much less the best one?
  • Which insulation knives are good in the current market?
  • Where can you find information like this about insulation knives?
We’re convinced that you likely have far more questions than just these regarding insulation knives, 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 insulation knives, 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 insulation knives. Make sure that you are only using trustworthy and credible websites and sources. Plumbar Oakland provides an insulation knives 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 insulation knives 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 insulation knives 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 insulation knives?
  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 insulation knives.
  5. Customer Ratings: Number ratings grade insulation knives objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their insulation knives.
  7. Product Quality: You don’t always get what you pay for with an insulation knives, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an insulation knives is should be an indication of how long it will work out for you.
Plumbar Oakland always remembers that maintaining insulation knives 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 insulation knives is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!