10 bestCaulk Gunsof May 2025
112M consumers helped this year.
12% off
1
ProDec MG11ES Extra Strong Skeleton Caulking Gun, Sealants, Silicones, Adhesives - Professional Heavy Duty Applicator Suitable for High Viscosity Products,Red,400ml and 310ml
ProDec
9.9
2
Amazon Basics Heavy Duty Sealant Caulking Gun - 310 ml (0.3 Litres) - 12:1 Thrust Ratio, Aluminium handle with plastic support grip, Blue/Grey
Amazon Basics
9.8
15% off
3
WORKPRO Sealant Caulking Gun, 9:1 & 18:1 Adjustable Thrust Ratio, for Applying 290-310 ml Cartridge Caulks, Sealants, Silicones, Adhesives
WORKPRO
9.5
11% off
4
OX Pro Heavy Duty Sealant Gun 400ml
OX Tools
9.3
5
Seesii Electric Caulking Gun, 21V Cordless Caulking Gun w/2 x 2000mAH Battery & Charger, LED Light, 4 Adjustable Speeds, Battery Operated Caulk Gun Tool Kit for Filling,Sealing
Seesii
9.0
OtherUp to 7% off
Navaris Caulking Gun - Apply Caulk with Silicone Gun - Easy Sealant Applicator in Gun Kit Uses 266ml / 295ml / 325ml (9oz / 10oz / 11oz) Silicone Sealant
Navaris Caulking Gun - 23cm Sealant Gun for 310ml Cartridge Tube - Adhesive Applicator Professional Hardware Tool for Silicone Acrylic Glue Sealant
Newborn Octogun 930-GTD Drip-Free Caulking Gun - Gator Trigger Grip | Fits 1/10 Gallon Cartridge |10:1 Thrust Ratio | Smooth Hex Rod Cradle with Built-in Smoother Tool | Scraper & Plug Included
ProDec Contractor 400 ml Skeleton Caulking Gun for Applying 400 ml and 310 ml Cartridge Caulks, Sealants, Silicones, Adhesives, Smooth Action Ideal for Trade and DIY Use
13% off
6
Tajima CNV100SP "Convoy Super 12" Caulk Gun, Black/Red
Tajima
8.7
7
Everbuild Power Pro Heavy Duty Applicator Gun | Cartridge Caulks, Sealants, Adhesives - Professional Heavy Duty Applicator, Suitable for High Viscosity Products - 310ml - Black
Everbuild
8.5
17% off
8
Ryobi RCG18-0 18V ONE+ Cordless Caulking Gun (Bare Tool)
RYOBI
8.2
11% off
9
Everbuild Professional Caulk, Sealant, Adhesive Application Gun For Up To C3/310 ml Cartridges
Everbuild
7.9
10
Makita CG100DZA 12V Max Li-Ion CXT Caulking Gun - Batteries and Charger Not Included
Makita
7.6
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A Guide to Selecting the Best Caulk Guns
Choosing the right caulk gun can make your sealing and filling tasks much easier and more efficient. A caulk gun is a tool used to apply caulk, a material used to seal joints or seams against leakage in various structures and piping. When selecting a caulk gun, consider the type of projects you will be undertaking, the frequency of use, and the type of caulk you will be using. Understanding the key specifications will help you make an informed decision that suits your needs.
Thrust Ratio
The thrust ratio of a caulk gun refers to the amount of force the gun applies to the caulk tube. This is important because it determines how easily the caulk is dispensed. A higher thrust ratio means more force is applied, which is useful for thicker caulks or when working in colder temperatures. Thrust ratios typically range from 3:1 to 26:1. For light-duty tasks or thin caulks, a lower thrust ratio is sufficient. For heavy-duty tasks or thicker caulks, opt for a higher thrust ratio to ensure smooth application.
Type of Caulk Gun
Caulk guns come in various types, including manual, electric, and pneumatic. Manual caulk guns are the most common and are suitable for small to medium projects. Electric caulk guns are powered by batteries and are ideal for larger projects or frequent use, as they reduce hand fatigue. Pneumatic caulk guns are powered by air compressors and are best for industrial or professional use where high volume and precision are required. Choose the type based on the scale and frequency of your projects.
Frame Construction
The frame construction of a caulk gun affects its durability and ease of use. Caulk guns can be made from materials like plastic, metal, or a combination of both. Metal frames are more durable and suitable for heavy-duty use, while plastic frames are lighter and easier to handle for occasional tasks. Consider the weight and durability you need based on how often and where you will be using the caulk gun.
Dripless Feature
A dripless feature in a caulk gun prevents excess caulk from oozing out when you stop squeezing the trigger. This is important for maintaining a clean work area and ensuring precise application. Dripless caulk guns have a mechanism that automatically releases pressure on the tube when you stop squeezing. If precision and cleanliness are important for your projects, look for a caulk gun with a dripless feature.
Handle Comfort
Handle comfort is crucial for ease of use, especially during long projects. A comfortable handle reduces hand fatigue and allows for better control. Look for ergonomic designs with padded or rubberized grips that fit well in your hand. If you plan to use the caulk gun frequently or for extended periods, prioritize handle comfort to enhance your overall experience.
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