Last Updated on August 5, 2023
When it comes to choosing the best insulation knife for cutting insulation, there are many factors to consider. With so many products on the market, it can be hard to know which ones are worth your money. That’s why we’ve done the legwork for you and compiled a list of the top products on the market, based on reviews from experts and everyday users. We’ll be considering a range of factors, including price, performance, and features, to help you make the best decision for your needs.
There are so many insulation knife for cutting insulation brands on the market like ALLEX\\アレックス, Minova, EVERHARD, Slice, Bullet Tools, Morakniv, DOMINOX, Milwaukee, it can be tough to know which one will be the best. No worries, we’ve got you covered.
ALLEX Insulation Knife with Sheath Japanese S
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- 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. Both home DIY users and professional users can use this versatile knife. As it is a resin handle, it is very lightweight.
- 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 to cut with a regular cutter.
- 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
Minova Insulation Knife with Sheath Stainless
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- Insulation Cutting Tool:Our insulation cutter is specifically designed to cut mineral wool glass wool, mineral wool, rockwool, fiberglass insulation and other types of insulation. This versatile knife is very lightweight.
- Long and Double Sided Blade: 11 inch double sided stainless steel blade and special serrated blade edge design (almost little dust). You can cut large-sized insulation material.
- Safe Blade Cover: It comes with high quality sheath. When not in use, you can store it safely at home or in your workplace.
- Overall Length: KD-01S280:16.5 inch; Blade Length: 11″; Blade thickness: 1.5 mm; N.W.: 242 g
- Suggestions: Young children should be supervised to ensure that they do not play with the appliance. Rubber gloves are recommended when working.
Everhard Long Cut Insulation Knife with 3-5/8
Our Rating

- 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
Everhard X-Long Cut Insulation Knife 5″ blade
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- 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
Slice 10560 3″ Extra Long Insulation Foam Too
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- Slice safety blades’ unique cutting edge might seem dull, but it cuts right through your material while keeping you safe! Slice blades are finger-friendly and safe to the touch.
- 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 punctures. Optional pointed-tip blade (10539) available.
- Ergonomically designed handle features textured grip. Blade can be adjusted for right- or left-handed use with quick-release, no-tool blade change mechanism.
ALLEX Insulation Knife Wood Handle Japanese S
Our Rating

- 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, Rockwool, fiberglass insulation, etc. Both home DIY users and professional users can use this versatile knife. The handle is wooden, and it fits in your hand.
- 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 to cut with a regular cutter.
- 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
Bullet Tools CB50-1107 7 in. CenterFire Insul
Our Rating

- 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
Morakniv Craftsmen 7350 Insulation Knife with
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- 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)
DOMINOX Foam Cutter Electric Styrofoam Hot Kn
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- 【WIDE APPLICATIONS】: It’s recommended for short-time use occasions with small workload. Foam Cutter usually used for packaging, construction, pitched roof insulation, external wall insulation composite system. For professionals, craftsmen or DIY enthusiasts to provide better help in commercial and industrial use. Foam Cutter can cut lightweight foam, KT board, polyurethane, polyethylene, EPS, XPS, EPP, EVA, EPE, PU, polyester foam, sponge, rubber, nylon and fiber, etc.
- 【SMOOTH OPERATION】: There is a pure copper induction coil inside the Upholstery Foam Cutter, which adopts innovative circuit design to heat fast and evenly. Upholstery Foam cutter can give you the same experience as cutting butter and bread with a knife. The cutting process is very smooth, and the cutting effect is flat and perfect.
- 【ADJUSTABLE TEMPERATURE】: The adjustment knob on the top of the Styrofoam Cutter has 16 positions to adjust temperature and power. The wide adjustment range can meet the needs of most industries and jobs. The wider the scale on the knob, the greater the power and heat. If you can’t master the temperature control temporarily, we suggest you practice several times on the foam waste (NOTICE: If the red light flashes after pressing the switch, push the adjustment knob forward to increase).
- 【NICKEL-CHROMIUM ALLOY BLADE】:The Hot Knife adopts high-quality nickel-chromium alloy blades, which is not afraid of high temperatures and has a long service life. Blade Temperature can come up to 1000°F in 7s (NOTICE: If you prefer the high temperature to make the foam smell, use the mask when you use it).
- 【SPRING-LOADED SAFETY TRIGGER SWITCH】: Because the Foam Board Cutter can reach the working temperature in a few seconds, the spring-loaded safety trigger switch can effectively avoid the danger caused by too high temperature. In order to improve the service life, we do not recommend working for a long time (NOTICE: Take a break after continuous use for more than 1 min).
- 【SIMPLE INSTALLATION】: Just loosen the screw, slide the blade under the square pressure plates until snug, then insert the blade into the blade holder to start to use. The metal hook at the tail is convenient for hanging, which is convenient for next use.
- 【PACKAGE INCLUDES】: Electric Hot Knife, 1 x 6″ blade, 1 x 8″ blade, hex wrench and copper wire cleaning brush.
Smooth Insulation Knife, 12 in. L, Red
Our Rating

- Mpn: 48-22-1921
- Country of manufacture: China
- Manufacturer: Milwaukee
Best insulation knife for cutting insulation Buying guide
When it comes to finding the best kw, there are a few things you need to take into account. The first is what your needs are. What are you looking for in a product? Do you need something that is durable? Something that is easy to use?
Once you know what you need, you can start to look at different products. Read reviews to see what other people think about them. See if the product has any awards or accolades.
Don’t just go for the first product you see. Take your time to find the best one for you. That way, you’ll be sure to get the most out of your purchase.
1) Does the product fit your needs?
Second, think about whether or not you can afford the item. It’s important to stay within your budget.
2) Can you afford the product?
First, you should consider what you need the product for. Is it the right size? Does it have the features you’re looking for?
3) The reputation of the company: This is probably the most important factor to consider. Research the company online, read reviews and testimonials and see what others have to say about their products.
4) Brand name: One final factor to keep in mind is brand name recognition. In general, more well-known brands tend to charge more for their products. However, they also tend to be more reliable and offer better customer service.
5) Quality of the product: Your first priority should always be the quality of the product. It is advisable to read online reviews or ask friends and family for recommendations.
6) Warranties and guarantees: They show that the company is confident in its product and willing to stand behind it.
7) Customer service: A good company will have responsive and helpful customer service available in case you have any problems with your purchase.
8) Quality of the product: You have to ensure that the product is made of high-quality materials and it is durable.
9) Ease of use: The product should be easy to use.
Frequently Asked Questions about Insulation knife for cutting insulation
This section answers common questions about insulation knife for cutting insulation. Understanding people’s concerns is easier if you answer these questions.
Is this product worth investing in?
A product like this has a lot of value. A lot of unique features and easy to use
insulation knife for cutting insulation can be sold in retail stores?
You don’t need to go to the store if you can get it delivered to your door.
When making a purchase, is after-sales service important?
When looking for a reliable insulation knife for cutting insulation company, make sure they offer excellent after-sales service.
In the event that any complaints have been filed against the company, they may need to be reconsidered.
It is also a good idea to inquire about a company’s return policy, as some only allow a limited number of returns per year and/or require a receipt for returns.
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