20 Best Insulation Knife For Cutting Insulation [2024]

Are you looking for the best insulation knife for cutting insulation? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling insulation knife for cutting insulation.

We Recommended:

# Preview Product
1 Red Devil 4609 Batting Knife, 8', Brown Red Devil 4609 Batting Knife, 8", Brown
2 ALLEX Insulation Knife Wood Handle Japanese Stainless Steel 8 Inch Long Cut, Insulation and... ALLEX Insulation Knife Wood Handle Japanese Stainless Steel 8 Inch Long Cut, Insulation and...
3 ALLEX Insulation Knife with Sheath Japanese Stainless Steel 8 Inch Long Cut, Insulation and... ALLEX Insulation Knife with Sheath Japanese Stainless Steel 8 Inch Long Cut, Insulation and...
4 Everhard X-Long Cut Insulation Knife 5' blade MK46300 Everhard X-Long Cut Insulation Knife 5" blade MK46300
5 Bullet Tools - CT51-1927 CenterFire Shut-N-Cut Batt Insulation Cutter 2 Bullet Tools - CT51-1927 CenterFire Shut-N-Cut Batt Insulation Cutter 2
6 Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle
7 Bullet Tools CB00-1103 3' Centerfire Insulation Knife & Saw Blade for Cutting Foam & Batt Insulation Bullet Tools CB00-1103 3" Centerfire Insulation Knife & Saw Blade for Cutting Foam & Batt Insulation
8 Hultafors 389010U Insulation Knife FGK Hultafors 389010U Insulation Knife FGK
9 7 in. CenterFire Insulation Knife Kit for cutting foam and batt insulation 7 in. CenterFire Insulation Knife Kit for cutting foam and batt insulation
10 Electric Foam Cutter Knife Sponge Peral Foam Cutting Tool Groove Slotting Air-cooling Hot Heat... Electric Foam Cutter Knife Sponge Peral Foam Cutting Tool Groove Slotting Air-cooling Hot Heat...
11 Dexter-Russell SG142-8TE-PCP Sofgrip, White Handle, 8' Blade Dexter-Russell SG142-8TE-PCP Sofgrip, White Handle, 8" Blade
12 Slice 10560 3' Extra Long Insulation Foam Tool, Designed for Foam Cutting, Finger Friendly, Ceramic... Slice 10560 3" Extra Long Insulation Foam Tool, Designed for Foam Cutting, Finger Friendly,...
13 Bullet Tools CB50-1107 7 in. CenterFire Insulation Knife Blade for cutting foam and batt insulation Bullet Tools CB50-1107 7 in. CenterFire Insulation Knife Blade for cutting foam and batt insulation
14 Everhard Long Cut Insulation Knife with 3-5/8' long blade MK46000 Everhard Long Cut Insulation Knife with 3-5/8" long blade MK46000
15 Bullet Tools 7 in. CenterFire Insulation Knife Blade (3pk) for cutting foam and batt insulation -... Bullet Tools 7 in. CenterFire Insulation Knife Blade (3pk) for cutting foam and batt insulation -...
16 CEPCO Tool IK-10 Insul-Knife CEPCO Tool IK-10 Insul-Knife
17 Grip-Rite Stone Wool Insulation Knife Grip-Rite Stone Wool Insulation Knife
18 Milwaukee 48-22-1921 Smooth Blade Insulation Knife Milwaukee 48-22-1921 Smooth Blade Insulation Knife
19 Viridian CR 1/3N Tactical Energy Plus Lithium Batteries, 3 Volt (Retail Pack of 4) Viridian CR 1/3N Tactical Energy Plus Lithium Batteries, 3 Volt (Retail Pack of 4)
20 USB-C Mod for Nintendo 3DS XL USB-C Mod for Nintendo 3DS XL
SaleBestseller No. 1
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
SaleBestseller No. 2
ALLEX Insulation Knife Wood Handle Japanese Stainless Steel 8 Inch Long Cut, Insulation and...
  • Utility Insulation Cutting Tool: Utility Insulation Cutting Tool: It is an easy-to-use Japanese insulation cutter. This versatile knife is ideal for...
  • Razor Sharp Japanese Steel: The blade uses Japanese high-grade stainless steel. The excellent sharpness of the Japanese steel knife minimizes chips...
  • 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...
  • 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
SaleBestseller No. 3
ALLEX Insulation Knife with Sheath Japanese Stainless Steel 8 Inch Long Cut, Insulation and...
  • Utility Insulation Cutting Tool: It is an easy-to-use Japanese insulation cutter. This versatile knife is ideal for cutting various insulator...
  • Razor Sharp Japanese Steel: The blade uses Japanese high-grade stainless steel. The excellent sharpness of the Japanese steel knife minimizes chips...
  • 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)...
  • 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
Everhard X-Long Cut Insulation Knife 5" blade MK46300
  • Our Longest Blade Yet – The 5″ blade cuts through today;s thicker IsoBoard and other insulation.
  • Consistent Edge Quality – The precision ground blade is double-beveled on all three edges.
  • High Carbon Spring Steel – Hardened and tempered to provide a long-lasting edge with the ideal combination of rigidity and flexibility.
  • Manufacturers List Price $9.50
Bestseller No. 5
Bullet Tools - CT51-1927 CenterFire Shut-N-Cut Batt Insulation Cutter 2
  • A must-have insulation cutter for professional installers
  • Compresses material up to 80% for faster cuts
  • Lightweight (9 lbs.) and easy to carry around your jobsite
  • Elevated system prevents knife from dulling against hard surfaces
  • Cuts acoustic panels, denim, polyester, mineral fiber, and polyethylene
Bestseller No. 6
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
Bestseller No. 7
Bullet Tools CB00-1103 3" Centerfire Insulation Knife & Saw Blade for Cutting Foam & Batt Insulation
  • 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
  • Clean, fuzz-free, dust-free cuts even on "hard to cut" insulation like denim and Rockwool
  • Long-lasting re-sharp enable carbon steel blade outlasts most other blades
Bestseller No. 8
Hultafors 389010U Insulation Knife FGK
  • The blade is made from 50 mm wide carbon steel.
  • A serrated edge makes it easy to cut through all types of insulation.
  • Both the handle and holster and made from super-durable plastic.
  • CM scale on the blade makes for quick measurements.
  • Holster included.
Bestseller No. 9
7 in. CenterFire Insulation Knife Kit for cutting foam and batt insulation
  • 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
Bestseller No. 10
Electric Foam Cutter Knife Sponge Peral Foam Cutting Tool Groove Slotting Air-cooling Hot Heat...
  • [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...
  • [Package include]: Electric Foam Cutter*1; Large/small slotting boards; Guide device*1; Sculpture Plate*1; Pliers/brush; T-ruler*1;Flexible blades*2;...
  • [Warranty]: One year warranty (not include the blades!)
Bestseller No. 11
Dexter-Russell SG142-8TE-PCP Sofgrip, White Handle, 8" Blade
  • Tiger Edge Scalloped blade is Ultra-sharp
  • Cuts through anything including frozen bait
  • DEXSTEEL Stain Free blade
  • Textured non slip handle is soft to the grip
  • Use by professional fishermen
Bestseller No. 12
Slice 10560 3" Extra Long Insulation Foam Tool, Designed for Foam Cutting, Finger Friendly, Ceramic...
  • Slice safety blades' unique cutting edge might seem dull, but it cuts right through your material while keeping you safe! Slice blades are...
  • Safe and effective sharpness and lasts 11 times longer than steel.
  • Designed for cutting foam, batting, insulation, and other thick, soft materials. Blade auto-retracts for ultimate safety when slider is released.
  • Durable reinforced nylon handle holds up to heavy use. Installed lanyard hole keeps tool handy. Installed blade’s rounded tip guards against...
  • Ergonomically designed handle features textured grip. Blade can be adjusted for right- or left-handed use with quick-release, no-tool blade change...
Bestseller No. 13
Bullet Tools CB50-1107 7 in. CenterFire Insulation Knife Blade for cutting foam and batt insulation
  • 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
Bestseller No. 14
Everhard Long Cut Insulation Knife with 3-5/8" long blade MK46000
  • Blade is longer than similar style knives. Great for Roofing ISO board.
  • Consistent edge quality. Sharp on all sides for stabbing and easy cutting.
  • High carbon spring steel
  • Overall length: 7-1/2" - blade length 3-5/8"
  • Manufacturer's Retail Price $8.50
SaleBestseller No. 15
Bullet Tools 7 in. CenterFire Insulation Knife Blade (3pk) for cutting foam and batt insulation -...
  • 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
Bestseller No. 16
CEPCO Tool IK-10 Insul-Knife
  • Ideal for fiberglass insulation
  • Precision cutting
  • No insulation tears
  • Razor-shape blade
  • Cuts foam board plus much more
Bestseller No. 17
Grip-Rite Stone Wool Insulation Knife
  • 420-Grade stainless steel blade with serrated edge for superior cutting of insulation products
  • The product is manufactured in Taiwan
  • The recommended knife for cutting roxul stone wool insulation
Bestseller No. 18
Milwaukee 48-22-1921 Smooth Blade Insulation Knife
  • Smooth Blade Insulation Knife
  • The product is easy to use and easy to handle
  • The product is highly durable
SaleBestseller No. 19
Viridian CR 1/3N Tactical Energy Plus Lithium Batteries, 3 Volt (Retail Pack of 4)
  • VIRIDIAN TACTICAL ENERGY PLUS: For laser sights, weapon mounted lights, flashlights, toys, glucose monitors, calculators, etc
  • MORE POWER: 170 Milliamps - Up to 6 percent more milliamps than leading competitors which means longer run times on all devices
  • LONG LASTING: 15 year shelf life
  • EARTH FRIENDLY: Low impact, recycle-friendly design
  • May need to remove wrap for battery to work in some devices that require using the metal of the battery to close a circuit
Bestseller No. 20
USB-C Mod for Nintendo 3DS XL
  • This is a DIY kit, which requires you to manually install in your 3DS XL, using a soldering iron.
  • Charge your Nintendo 3DS XL with any USB-C cable and charger! If it fits, it'll charge! Finally you can stop carrying around that extra proprietary...
  • Works with USB-C -> USB-C cables, USB-A -> USB-C cables! Works with normal USB, Quick Charge, and USB-PD chargers!
  • If your charger offers 5V/9V/12V/etc., it will recognize the 3DS XL can only accept 5V and charge accordingly.

Having trouble finding a great insulation knife for cutting insulation?

This problem is well understood by us because we have gone through the entire insulation knife for cutting insulation research process ourselves, which is why we have put together a comprehensive list of the best insulation knife for cutting insulations available in the market today.

After hours of searching and using all the models on the market, we have found the best insulation knife for cutting insulation for 2023. See our ranking below!

How Do You Buy The Best Insulation Knife For Cutting Insulation?

Do you get stressed out thinking about shopping for a great insulation knife for cutting insulation? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching insulation knife for cutting insulation, which is why we have assembled a comprehensive list of the greatest insulation knife for cutting 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 insulation knife for cutting insulation that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding insulation knife for cutting 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 insulation knife for cutting 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 insulation knife for cutting insulation. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an insulation knife for cutting 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 insulation knife for cutting 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 insulation knife for cutting 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 insulation knife for cutting 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 insulation knife for cutting insulation.
  5. Customer Ratings: Number ratings grade insulation knife for cutting insulation objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their insulation knife for cutting insulation.
  7. Product Quality: You don’t always get what you pay for with an insulation knife for cutting insulation, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an insulation knife for cutting insulation is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining insulation knife for cutting 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 insulation knife for cutting insulation is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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