WhichOne › DIY store & garden › painting supply › insulation knife

The best insulation knifes in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 14.05.2025

Filter

Sort

Brand:Reduced items only:

Best choice

Knipex Cable Knife insulating multi-component handle, VDE-tested 190 mm 98 54

Knipex

20% off

free shipping

show more show less

9,9

Offer ends in:

10Days

07hours

28minutes

57seconds

Check price

Show on Amazon

Features

Particularly confident grip thanks to slip-proof soft components
Thumb recess and "finger hook" at the end of the handle ensure a good transmission of force when the blade is pulled
Transparent protective cap

£ 13.84

£ 19.81

£ 19.81

Spear & Jackson B98INS Predator Insulation Saw

Spear & Jackson

39% off

show more show less

9,8

Check price

Show on Amazon

Features

Measures 350mm (14")
Perfect for cutting Expanding Foam as well as Foam, Sponge, Pipe and Fibreglass Insulation

£ 10.99

£ 10.95

£ 15.07

Stanley FMHT10327-1 Fatmax Insulation Knife Case, Yellow/Black, 350 mm

FatMax

free shipping

show more show less

9,8

Check price

Show on Amazon

Features

Cuts cellulose wadding panels and all vegetable fibres from 3 to 20 cm thick
Cuts glass wool and rock wool

£ 24.67

£ 51.67

DOMINOX Foam Cutter Electric Styrofoam Cutting Tool Polystyrene Cutter or Foam Sheet, Foam Tube, Foam Board Insulation, Kaizen Foam, EPP, EPS, XPS, EVA, EPE, PU, KT Board, Sponge, Nylon

DOMINOX

free shipping

show more show less

9,8

Check price

Show on Amazon

Features

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 is very smooth, and the cutting effect is flat and perfect.
WIDE APPLICATIONS 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.
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 MATERIAL QUALITY The foam cutter 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).
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 Foam cutter kit , 1 x 6" iron sheet, 1 x 8" iron sheet, hex wrench, cleaning brush.

300W Hot Knife Foam Cutter, 0-600℃ Polystyrene Cutting Tool With 3 Blades for Sponge/EPS/EPP/KT Board/EVA/PU/Fabric/Rubber - Portable Electric Rope Cutter

JAOGAUS

free shipping

show more show less

9,7

Check price

Show on Amazon

Features

PROFESSIONAL ACCESSORIES Hot knife for cutting polystyrene is equipped with 3 nickel-chromium blades 5.5CM curved blade x 1, 5.5CM shovel blade x 1, 25CM long blade x 1, hex wrench x 1, cleaning brush x 1. Meet your application in different usage scenarios.
FAST HEATING Hot knife heats up quickly in 3-5 seconds. 300W Foam Cutter Electric can reach temperatures from 0-600 C.
RAPID COOLING SYSTEM Hot wire foam cutter built-in temperature control chip, advanced air cooling system and vents prevent overheating and extend service life.
WIDE APPLICATION Hot foam cutter cutter is suitable for commercial and industrial use, cutting more materials, including medium and low density foam, nylon rope and nylon straps, lightweight foam, KT board, polyurethane, polyethylene, EPS, XPS, EPP, EVA , EPE, PU, polyester foam, sponge, rubber, etc.
WARRANTY AND SERVICE Hot knife foam cutter.If you have any questions, please email us first! We will provide you with solutions as soon as possible.

2 x Insulation Board Tool with Scabbard, Foam, Wool Cutting Tool 420mm Stainless, Saw RockWool

TRADE 4 YOU LTD

free shipping

show more show less

9,7

Check price

Show on Amazon

Features

Stainless Steel 280mm with Rubber Handle
For Foams, RockWool, Wools

PipeLagger Pro Pipe Insulation Mitre Tool 33-85mm (Blue)

PBP

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

For more information visit www.PipeLaggerPro.co.uk

FatMax® Folding Jab Saw 130mm (5in) 8 TPI

STANLEY FATMAX

10% off

free shipping

show more show less

9,5

Check price

Show on Amazon

Features

8 TPI design, perfect for aggressive, fast and quick cutting
Secure locking mechanisms in 3 positions (90,135,180 ) for maximum flexibility and increased leverage for angled corner and ceiling cuts
Space saving foldable blade for safer handling and storage
Sharp tooth technology cuts on push and pull strokes and is up to 50% faster than traditional tooth designs

£ 13.48

£ 12.89

£ 13.70

£ 17.95

£ 18.95

£ 20.22

£ 20.40

Recommendation

Gonytia Hot Knife Foam Cutter Rope Cutter Fabric Cutter Pro Electric Hot Knife Heat Sealer Cutting Tool kit with 2 Blades & Accessories

Gonytia

free shipping

show more show less

9,4

Check price

Show on Amazon

Features

WIDE APPLICATION GONYTIA hot knife is the perfect tool for various materials, arc blade is for cutting black out cloth,outdoor fabric,webbing,ribbons,polyester fabric,nylon fabric,4 black blade is for cutting kinds of foam ,such as polyester foam ,XPS foam ,light weight foam KT board EPS foam etc.
CLEAN AND SMOOTH WITHOUT MESS GONYTIA Hot Knife Foam Cutter is a professional hand tool for cutting foam ,rope or fabric materials for packaging, construction, sculpture... It seals the edges cleanly, Leaves no trace of debris. You can cut the foam board at any angle and make it into the shape you want
Convenient Accessory The package also includes 1 piece of scraper for cleaning the blades after use, L-shaped wrench for easy blade replacement.

Bahco ProfCut Insulation Saw - Waved Toothing - low friction and creates less sawdust - (VCI) that will protect the saw from corrosion

Bahco

free shipping

show more show less

9,4

Check price

Show on Amazon

Features

VERSATILE The most common international materials for insulation are mineral wool or glass wool, EPS Expanded Polystyrene, XPS Extruded polystyrene, stone wool or rock wool
SPECIALLY DESIGNED WT-toothing is for cutting insulation material with the blade being re-sharpenable with any regular knife sharpener
STORAGE The sleeve is impregnated with a Volatile Corrosion Inhibitor (VCI) that will protect the saw from corrosion

£ 17.90

£ 15.95

£ 21.49

£ 24.43

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these insulation knifes.

Hultafors 483198

CONTENTS - Mineral wool knife FGK with serrated edge.

~~£ 25.56~~ free shipping

Check price

C.K 484001 Electrician's Knife

Length, closed 95 mm

~~£ 24.34~~

Check price

OX TOOLS P224301 Pro Heavy Duty Fixed Blade Folding Knife, Blue / Black

OX Pro Heavy Duty Fixed Blade Folding Knife

~~£ 9.95~~

Check price

Slice 10560 Auto-Retractable Industrial Knife with a Rounded Blade,(Single) Grey, Green

HELP THOSE IN NEED Make a difference. A portion of the Industrial Knife purchase goes towards funding autism research

free shipping

Check price

Wolfcraft Special Professional Knife for Insulating Materials I 4097000 I for Cutting Insulating Materials

305 mm stainless steel blade for long, pulling and precisely guided cuts

Check price

BGS 81735 | Knife for Insulating Material | 240 mm

blade length 140 mm

Check price

Serrated Stainless Steel Bladed Duct Knife for Flexible Duct and Duct Board in Sheath Klein Tools DK06

Cuts duct board and flexible duct

~~£ 19.29~~

Check price

Hiboom Pipe Lagging Insulation Foam Cutter Tool - Ideal for 15mm, 22mm, 28mm Lagging - Mitre Tool for 45 Degree Angles (Red)

Ideal Cut Foam Tube Wrap Our 3 piece pipe wrap insulation foam cutting tool set is designed to make cutting foam pipe wrap a breeze; The full range of sizes is designed to maximize your daily use and ensure a tight, efficient fit on your pipe for a ideal cut

~~£ 14.49~~

Check price

WINONS Hot Wire Foam Cutter Electric Styrofoam Cutting Tool WFC-0001 - Polystyrene & Styrofoam Cutter - Kit of 3 Tips

Package Includes 6.6" tensioner, 4.2" wand-style, 1.3" engraving tip, safety stand, replacement wire. Metrics for all the tools are sharpened with sheer vigilance to assist you with the most difficult cuts while enabling you to work on both large and small foam-based projects with ease

free shipping

Check price

Bosch Professional Universal folding knife with blade compartment in metal handle (incl. two replacement blades, blister packaging) – Amazon exclusive

Universally applicable professional knife with practical folding mechanism

~~£ 20.06~~

Check price

Amazon Basics Stainless Steel Putty Knife, 15.24 cm, with Flexible Blade and Hammer End

Durable metal made of 100% premium, professionally ground, mirror-polished stainless steel for long-lasting reliable strength; corrosion- and rust-resistant; cleans easily

~~£ 16.09~~

Check price

SARSEN Professional Insulation Knife – Stainless Steel Serrated Saw Foam Cutter for Loft Insulation, Rockwool, Polystyrene & PIR/XPS Foam Board – Patented Ergonomic Handle, Safety Sheath & Ruler

LIGHTWEIGHT INSULATION CUTTER KNIFE WITH ERGONOMIC DESIGN This durable yet lightweight insulation knife is designed for precise cutting of Rockwool, PIR boards, foam board, and polystyrene panels. Functions as both an insulation saw and polystyrene cutter, delivering clean, straight cuts with minimal effort. A reliable lagging tool, it features a patented ergonomic handle for superior control and comfort.

Check price

The best insulation knifes in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these insulation knifes.

Our offer