10 Best Best Expanding Foam Gun of 2025

Tested and Reviewed: Top 10 Best Expanding Foam Gun deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

Luft Werkzeuge

Luft Professional Expanding Foam Spray Gun (1 Insulation Guns + 9 Extenders) PU Insulating Applicator Heavy Duty Metal Body Dispensing Foam Gun Suitable for Caulking, Filling, Sealing (1 Pack)

Editor's bottom line:

“This best expanding foam gun is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Easy to Clean and Reusable: This foam insulation gun is easy to clean, thanks to it being coated both inside and outside with Teflon (PTFE). With the non-stick feature of the Teflon coating, it leaves no residue and allows you to use less foam cleaner.
Precise Control: Featuring a copper nozzle, lock valve and spring trigger allows you to control the flow precisely. You can prevent overuse by adjusting the amount of insulating foam application according to your needs with the spring trigger and control knob. Its smartly designed nozzle also helps reduce foam waste and avoid runoff and dripping.
Excellent Performance & Efficiency: Luft spray foam insulation gun is suitable for use in a wide range of areas such as roofs, facades, floors, interior and exterior walls, interior partitions, stud layers, balcony doors, bathtubs, air conditioning holes, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors. Great for filling, sealing and isolating small gaps.
Advanced and Ergonomic Design: This spray foam dispensing gun is your best helper with its ergonomic design. You can close the barrel with the lock valve to completely discharge the residual insulation material in the spray foam applicator. The ergonomically designed handle and perfect nozzle length provides a comfortable use.
Compatible for Professional Use: Luft foam caulking gun is designed to fit most 20-24 oz foam sealant canisters with a screw attachment. This professional insulation foam fun is equipped with a valve that seals the foam can to enable users to discharge residual sealant completely.

Show Price

Picked by 397 people today

9.5

Luft Werkzeuge

Luft Professional Expanding Foam Spray Gun (4 Insulation Guns + 12 Extenders) PU Insulating Applicator Heavy Duty Metal Body Dispensing Foam Gun Suitable for Caulking, Filling, Sealing (2 Pack)

Main Highlights

Easy to Clean and Reusable: This foam insulation gun is easy to clean, thanks to it being coated both inside and outside with Teflon (PTFE). With the non-stick feature of the Teflon coating, it leaves no residue and allows you to use less foam cleaner.
Precise Control: Featuring a copper nozzle, lock valve and spring trigger allows you to control the flow precisely. You can prevent overuse by adjusting the amount of insulating foam application according to your needs with the spring trigger and control knob. Its smartly designed nozzle also helps reduce foam waste and avoid runoff and dripping.
Excellent Performance & Efficiency: Luft spray foam insulation gun is suitable for use in a wide range of areas such as roofs, facades, floors, interior and exterior walls, interior partitions, stud layers, balcony doors, bathtubs, air conditioning holes, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors. Great for filling, sealing and isolating small gaps.
Advanced and Ergonomic Design: This spray foam dispensing gun is your best helper with its ergonomic design. You can close the barrel with the lock valve to completely discharge the residual insulation material in the spray foam applicator. The ergonomically designed handle and perfect nozzle length provides a comfortable use.
Compatible for Professional Use: Luft foam caulking gun is designed to fit most 20-24 oz foam sealant canisters with a screw attachment. This professional insulation foam fun is equipped with a valve that seals the foam can to enable users to discharge residual sealant completely.

Show Price

9.5

Luft Werkzeuge

Luft Professional Expanding Foam Spray Gun (2 Insulation Guns + 9 Extenders) PU Insulating Applicator Heavy Duty Metal Body Dispensing Foam Gun Suitable for Caulking, Filling, Sealing (2 Pack)

Main Highlights

Easy to Clean and Reusable: This foam insulation gun is easy to clean, thanks to it being coated both inside and outside with Teflon (PTFE). With the non-stick feature of the Teflon coating, it leaves no residue and allows you to use less foam cleaner.
Precise Control: Featuring a copper nozzle, lock valve and spring trigger allows you to control the flow precisely. You can prevent overuse by adjusting the amount of insulating foam application according to your needs with the spring trigger and control knob. Its smartly designed nozzle also helps reduce foam waste and avoid runoff and dripping.
Excellent Performance & Efficiency: Luft spray foam insulation gun is suitable for use in a wide range of areas such as roofs, facades, floors, interior and exterior walls, interior partitions, stud layers, balcony doors, bathtubs, air conditioning holes, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors. Great for filling, sealing and isolating small gaps.
Advanced and Ergonomic Design: This spray foam dispensing gun is your best helper with its ergonomic design. You can close the barrel with the lock valve to completely discharge the residual insulation material in the spray foam applicator. The ergonomically designed handle and perfect nozzle length provides a comfortable use.
Compatible for Professional Use: Luft foam caulking gun is designed to fit most 20-24 oz foam sealant canisters with a screw attachment. This professional insulation foam fun is equipped with a valve that seals the foam can to enable users to discharge residual sealant completely.

Show Price

9.2

Preciva

Preciva Foam Gun, Professional Foaming Gun Heavy Duty PU Expanding Foam Gun Caulking Gun Spray Application Applicator for Caulking, Filling, Sealing, Home and Office Use

Main Highlights

Easy to clean: The foam gun is made of perfluorocarbon engineering plastics and ABS (non-stick material). After use, the gun body is easy for you to clean
Precise Control: The spring-triggered design allows you to precisely control the amount of foam, reducing economic consumption and waste of foam
Excellent performance: With the high expansion and strong adhesion, spray foam insulation gun is ideal for insulating and sealing small spaces such as your home windows and doors
Rugged and durable: The precise thread design of the spray foaming gun is easy to operate and durable
Your choice: If you are looking for a quality expanding foam gun, Preciva is worth buying
Notice: Not compatible with Great Stuff containers

Show Price

9.0

AWF PRO

AWF PRO High Precision Spray Foam Gun for Insulating Foam Sealant, Adjustable Flow Control, Contractor-Grade Pro Applicator

Main Highlights

AWF 1000 Foam Gun: Designed for use with Great Stuff PRO and other professional-grade spray foam and foam cleaner cans
Adjustable Flow Control: Integrated control knob enables precise flow adjustments; helps save unused foam when closed with a can attached
Non-Stick PTFE Coating: Features PTFE-coated basket, needle, and valve to minimize foam build-up; allows for easy cleaning and consistent operation
Includes Accessories: Comes with 2 plastic straws and 2 extender tips; great for accessing tight spaces or hard-to-reach application areas
Durable Construction: Built with high-quality materials for long-lasting use; ideal for contractors, DIYers, and frequent users
Ergonomic Design: Lightweight frame and smooth-pull trigger reduce hand fatigue; optimized for extended use
Easy Setup: Quick screw-on canister connection; secure fit ensures foam flow starts and stops cleanly
Precision Application: Delivers accurate foam output for sealing, filling, and insulating jobs; helps provide clean, professional results

Show Price

8.8

Preciva

Preciva 2 PCS Spray Foam Gun, Upgrade Pu Expanding Foaming Gun Professional Caulking Gun Insulation Suitable for Caulking, Filling, Sealing

Main Highlights

2PCS Upgrade Foam Gun Are you tired of cheaply made foam guns that break after one use? We got you covered with professional Foam Gun! The foam gun is made of perfluorocarbon,non-stick coated basket, needle and ball valve promote unrestricted flow of the foam gun applicator, suitable for balcony doors and windows, bathtub and air conditioning hole.Ideal for filling, sealing and insulating small gaps
Precise Control The spring-triggered design allows you to precisely control the amount of foam, reducing economic consumption and waste of foam, And the caulking gun is perfectly compatible with the most of the market foam
Ergonomic DesignThe foam gun is covered with perfluorocarbon which can keep the gun clean. The handle is made of ergonomics ABS plastic which is comfortable for long time using and the gun body is easy to clean, attached plastic straw extension for foaming hard-to-reach areas or smaller gaps
Easy to Use Simply screw on the can and open the gun and you are good to go. When you are done with your project but there's still foam left in the can, you can close the gun and leave the can on. Otherwise, you will need to take off foam can and run a cleaner can through the gun. Just make sure to take off the cleaner can after using it
Package Includes You will have 2* red foam guns, 2* black scrapers, 4* conical short heads, 4* long heads, 1* instruction manual, 1* color box,Notice; clean it in time after use gun body to avoid clogging. If you have any questions, please feel free to contact us at any time
Notice: not compatible with great stuff canisters

Show Price

8.6

DAFEIKE

Detachable Spray Foam Gun Expanding Foam Gun Upgraded Teflon Pro Foam Dispensing Gun Sealant Insulating Foam Gun Pu Foaming Insulation Applicator, Black

Main Highlights

[DETACHABLE] This spray foam gun is updated edition. Both the barrel and the muzzle can be disassembled, allowing users to clean them more thoroughly after use, ensuring smoother operation in the next use and extending the gun's life time.
[ACCESSORIES] The package includes two wrenches and types of nozzles. Wrenches help you to disassemble and install the gun barrel and muzzle. Multiple nozzles can meet the different needs in different scenarios. Tapes are useful in the connection of nozzles.
[EASY CLEAN] You need to clean the foam insulation gun with cleaner or acetone when work done. This insulation gun has 3 advantages to eases the clean: 1. the PTFE surface; 2. the design of red valve; 3. the detachable design of barrel.
[SEAL DESIGN] DAFEIKE spray foam gun is equipped with an extra sealing valve. After use shut the red valve to seal the barrel, then keep spraying to dispense the residual foam inside. No worry sometimes the cleaner is not around.
[ATTENTION] Before connecting open the red valve first, then bring the foam insulation gun and thread it on to the foam can, make sure you twist the gun on quickly and straight. Please read the instructions before use if you are a new user.

Show Price

8.3

LUORIN

24inch Detachable Spray Foam Gun - Non-Stick Coated Basket,Heavy Duty Spray Foam Insulation Gun,Pu Expanding Foam Gun for Caulking, Filling, Sealing(Red)

Main Highlights

Video GuidePlease watch the video before use, the correct use of the foam gun can improve work efficiency and product life.
24 inch - Unique DetachableOur foaming gun(24 inch totally) is designed to be detachable.The 12.8-inch foaming gun comes with a detachable 12.4-inch extension tube.Choose whether to install the extension tube according to your needs.
Precise Flow ControlBuilt with a durable copper nozzle, secure locking valve, and responsive spring trigger, this foam gun delivers accurate dispensing performance. The rear-mounted control knob at the end of the barrel allows fine adjustment of foam output to match different sealing and filling needs, helping prevent overuse. Its precision nozzle design reduces runoff, dripping, and material waste for cleaner, more controlled application.
Time-saving and Labor efficientWith a 24-inch reach, this spray foam gun can get the job done without the need for a ladder or scaffolding, significantly reducing installation time. It also minimizes the physical stress caused by bending and stretching, allowing you to work more efficiently and comfortably.
Innovative Seal DesignThis professional foam gun is equipped with a valve that seals the foam can to enable users to discharge residual sealant completely.After use shut the red valve to seal the barrel, then keep spraying to dispense the residual foam inside.
Easy to CleanThis Pu expanding foam gun is easy to clean because it is coated with (PTFE) inside and out. The non-stick nature of the PTFE coating leaves no residue, allowing you to use less foam cleaner. :After each use of extension tube,You need to use a cleaner to avoid clogging the extension tube.
Ergonomic DesignThis spray foam dispensing gun is your best helper with its ergonomic design. You can close the barrel with the lock valve to completely discharge the residual insulation material in the spray foam applicator. The ergonomically designed handle and perfect extension tube length provides a comfortable use.

Show Price

8.1

Wolline

Wolline Professional Spray Foam Insulation Gun (Foam Gun + 2 Nozzle), Teflon-Coated Expanding Foam Gun, Foam Dispensing Gun, for Caulking, Insulating Foam Applicator Yellow - 1 Pack

Main Highlights

EASY TO USE FOAM GUN INSULATION : Attaching the foam gun insulation is a breeze just screw it onto the gun and you're ready to start. Once your project is complete, you can easily close the spray foam gun and leave the canister attached for future use. Easy to operate polyurethane foam projects and durable. Also include plastic straw tube extenders for foaming hard to reach areas or smaller gaps. Foam dispensing gun helps owners to save money and time.
GREAT FOR PROFESSIONAL CAN : Expanding foam gun is durable metal body is designed to fit most 20-24 oz foam sealant canisters, with a screw attachment. The upgraded generation of this foam dispensing gun surpasses other brands by incorporating a valve that achieves true no-clean caulking tool. Professional grade foam gun's innovative valve seals the barrel, allowing users to discharge residual sealant or filler completely, leaving no mess behind.
ACCURATE CONTROL CAULK GUN : The Pro foam gun insulation is the perfect tool for insulation and sealing projects. Its spring-triggered design allows you to precisely control the amount of foam, adjust the spray distance, reducing economic consumption and waste of spray foam insulation. This feature ensures that you can fill gaps and cracks with the perfect amount of foam every time. The copper caulk tips ensure a smooth flow and professional-looking finish with foam gun insulation.
ERGONOMIC DESIGNED SPRAYER : Foam Spray Gun an ergonomic design that reduces hand fatigue, making it comfortable to use for extended periods. And when you're finished with your project, the adjustable foam gun is easy to clean, ensuring that it will be ready for your next job. Foam Spray gun designed for heavy-duty use in foam insulation and sealing projects. Its durable metal body, covered Non-Stick PTFE for added protection, ensures that it can handle even the toughest jobs with ease.
WIDE RANGE APPLICATION : Foam insulation gun is perfect for any caulking gun, ideal use in a wide range of areas such as construction adhesive, foam cleaner can, sealing, insulating small gaps, balcony, bathtub, cabinet, roofs, facades, floors, fillings, interior and exterior walls, interior partitions, stud layers, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors for filling, (e.g. installation of air conditioners and bathtubs), bug gun, etc.

Show Price

8.1

Wolline

Wolline Professional Spray Foam Insulation Gun (Foam Gun + 2 Nozzle), Teflon-Coated Expanding Foam Gun, Foam Dispensing Gun, for Caulking, Insulating Foam Applicator Red - 1 Pack

Main Highlights

EASY TO USE FOAM GUN INSULATION : Attaching the foam gun insulation is a breeze just screw it onto the gun and you're ready to start. Once your project is complete, you can easily close the spray foam gun and leave the canister attached for future use. Easy to operate polyurethane foam projects and durable. Also include plastic straw tube extenders for foaming hard to reach areas or smaller gaps. Foam dispensing gun helps owners to save money and time.
GREAT FOR PROFESSIONAL CAN : Expanding foam gun is durable metal body is designed to fit most 20-24 oz foam sealant canisters, with a screw attachment. The upgraded generation of this foam dispensing gun surpasses other brands by incorporating a valve that achieves true no-clean caulking tool. Professional grade foam gun's innovative valve seals the barrel, allowing users to discharge residual sealant or filler completely, leaving no mess behind.
ACCURATE CONTROL CAULK GUN : The Pro foam gun insulation is the perfect tool for insulation and sealing projects. Its spring-triggered design allows you to precisely control the amount of foam, adjust the spray distance, reducing economic consumption and waste of spray foam insulation. This feature ensures that you can fill gaps and cracks with the perfect amount of foam every time. The copper caulk tips ensure a smooth flow and professional-looking finish with foam gun insulation.
ERGONOMIC DESIGNED SPRAYER : Foam Spray Gun an ergonomic design that reduces hand fatigue, making it comfortable to use for extended periods. And when you're finished with your project, the adjustable foam gun is easy to clean, ensuring that it will be ready for your next job. Foam Spray gun designed for heavy-duty use in foam insulation and sealing projects. Its durable metal body, covered Non-Stick PTFE for added protection, ensures that it can handle even the toughest jobs with ease.
WIDE RANGE APPLICATION : Foam insulation gun is perfect for any caulking gun, ideal use in a wide range of areas such as construction adhesive, foam cleaner can, sealing, insulating small gaps, balcony, bathtub, cabinet, roofs, facades, floors, fillings, interior and exterior walls, interior partitions, stud layers, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors for filling, (e.g. installation of air conditioners and bathtubs), bug gun, etc.

Show Price

Our Best Overall Choice

Best Choice

9.7

Luft Werkzeuge

Luft Professional Expanding Foam Spray Gun (1 Insulation Guns + 9 Extenders) PU Insulating Applicator Heavy Duty Metal Body Dispensing Foam Gun Suitable for Caulking, Filling, Sealing (1 Pack)

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Easy to Clean and Reusable: This foam insulation gun is easy to clean, thanks to it being coated both inside and outside with Teflon (PTFE). With the non-stick feature of the Teflon coating, it leaves no residue and allows you to use less foam cleaner.
Precise Control: Featuring a copper nozzle, lock valve and spring trigger allows you to control the flow precisely. You can prevent overuse by adjusting the amount of insulating foam application according to your needs with the spring trigger and control knob. Its smartly designed nozzle also helps reduce foam waste and avoid runoff and dripping.
Excellent Performance & Efficiency: Luft spray foam insulation gun is suitable for use in a wide range of areas such as roofs, facades, floors, interior and exterior walls, interior partitions, stud layers, balcony doors, bathtubs, air conditioning holes, ceilings and cellars, chimneys to fill gaps and cracks, sealing windows and doors. Great for filling, sealing and isolating small gaps.
Advanced and Ergonomic Design: This spray foam dispensing gun is your best helper with its ergonomic design. You can close the barrel with the lock valve to completely discharge the residual insulation material in the spray foam applicator. The ergonomically designed handle and perfect nozzle length provides a comfortable use.
Compatible for Professional Use: Luft foam caulking gun is designed to fit most 20-24 oz foam sealant canisters with a screw attachment. This professional insulation foam fun is equipped with a valve that seals the foam can to enable users to discharge residual sealant completely.

Show Price

Deals are Live

Special Amazon deal ends in: