If you are searching for the best insulation knives then you landed on the right page. Here we have compiled a list of the top insulation knives.

We have spent around 43 hours to find the right option for you and based on our research Everhard Long Cut Insulation Knife with 3-5/8″ long blade MK46000 is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra then we have another great option for you is Malco DK6S Cushioned Gripped Serrated Duct Knife. Below is a review of some of the best insulation knives, together with their specifications and functions. So without further waiting, Let’s dive right in.

Best insulation knives

Image
Product Title
Score

Fuller Tool 320-0100 Insulation Knife - Double Sided
9.9

9.4

Everhard X-Long Cut Insulation Knife 5
9.2

Malco DK6S Cushioned Gripped Serrated Duct Knife
8.8

Grip-Rite Stone Wool Insulation Knife
8.5

Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle
8.1

Dexter SG142-8TE-PCP Sofgrip Tiger Edge Slicer, 8-Inch
7.7

Everhard Long Cut Insulation Knife with 3-5/8
7.5

7.2

Dexter-Russell (1376HBR) - 6
6.5

Fuller Tool 320-0100 Insulation Knife – Double Sided


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Fuller Tool 320-0100 Insulation Knife - Double Sided

 out of stock
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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

Dexter Russel Scalloped Utility Slicer, 5.5″, White


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Dexter Russel Scalloped Utility Slicer, 5.5", White

$23.99
$21.33
 in stock
3 new from $20.85
1 used from $24.99
Free shipping
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • Item #24303
  • Model #: SGL155NSC-PCP
  • Blade Length: 5.5"
  • Handle Length: 4.5"
  • Overall Length: 10"

Everhard X-Long Cut Insulation Knife 5″ blade MK46300


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Everhard X-Long Cut Insulation Knife 5" blade MK46300

$18.15  in stock
2 new from $18.15
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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

Malco DK6S Cushioned Gripped Serrated Duct Knife


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Malco DK6S Cushioned Gripped Serrated Duct Knife

$15.99  in stock
18 new from $15.99
Free shipping
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • Cushioned-Gripped Duct Knife (Serrated)
  • Puncture resistant nylon sheath included
  • Ergonomic cushioned handle offers comfortable sure grip
  • Serrated edge aids in cutting flex fiberglass wool duct

Grip-Rite Stone Wool Insulation Knife


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Grip-Rite Stone Wool Insulation Knife

$15.78  in stock
10 new from $15.69
Free shipping
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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

Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle


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Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle

$18.99
$17.13
 in stock
8 new from $17.13
Free shipping
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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

Dexter SG142-8TE-PCP Sofgrip Tiger Edge Slicer, 8-Inch


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Dexter SG142-8TE-PCP Sofgrip Tiger Edge Slicer, 8-Inch

$39.99  in stock
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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
  • Sport type: Fishing

Everhard Long Cut Insulation Knife with 3-5/8″ long blade MK46000


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Everhard Long Cut Insulation Knife with 3-5/8" long blade MK46000

$10.00  in stock
5 new from $10.00
Free shipping
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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

Red Devil 4609 Batting Knife, 8″, Brown


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Red Devil 4609 Batting Knife, 8", Brown

 out of stock
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • 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

Dexter-Russell (1376HBR) – 6″ Boning Knife – Dexter-Russell Series


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Dexter-Russell (1376HBR) - 6" Boning Knife - Dexter-Russell Series

$25.50  in stock
4 new from $25.50
Free shipping
Amazon.com
as of August 7, 2022 4:45 pm

Features

  • Ship Weight: .19 lbs.
  • Blade Length: 6"
  • Blade Tip: Pointed
  • Edge Type: Straight Edge
  • Handle Material: Rosewood

In this article, we have reviewed the best insulation knives for our readers. We hope you get the perfect insulation knives from our above list. If you didn’t find your desired one then check out Everhard X-Long Cut Insulation Knife 5″ blade MK46300, one of the most sold items in the market.