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Product Overview
The RYOBI 18-Volt ONE+ Power Caulk and Adhesive Gun features a variable-speed lever to adjust the discharge rate to control the bead of caulk. This gun was designed for use with caulk tubes that are up to 10 oz. Durable gears and a carriage frame help ensure tool longevity.
- California residents
- All-metal manual plunger rod with a hook-end to easily change out the tubes
- Switch lock to help prevent accidental startups
- Onboard puncture tool to break the tube seal for your convenience
- More than 500 lbs. of push force for dispensing high-viscosity materials
- Works with batteries P100, P101, P102, P103, P104, P105, P107 and P108, and chargers P117, P131, P125 and P126 (sold separately)
- UL listed
- More than 500 lb. of push force for dispensing high-viscosity materials
- Batteries and charger sold separately; This item works with these batteries: P100, P101, P102, P103, P104, P105, P107, P108, this item works with these chargers: P117, P131, P125, P126
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Info & Guides
Product Overview
The RYOBI 18-Volt ONE+ Power Caulk and Adhesive Gun features a variable-speed lever to adjust the discharge rate to control the bead of caulk. This gun was designed for use with caulk tubes that are up to 10 oz. Durable gears and a carriage frame help ensure tool longevity.
Specifications
Dimensions
Product Depth (in.)
18 in
Product Height (in.)
4 in
Product Width (in.)
9 in
Details
Battery Amp Hours
4 Ah
Battery Amp Hours
4.0
Battery Power Type
Lithium Ion
Battery Size
18-volt
Caulk Type
Acrylic
Color Family
Blue
Condition
New
Cordless Tool Type
Caulk Gun
Cordless/ Corded
Cordless
Features
Seal Puncture Tool,Variable Pressure Control
Maximum tube capacity (oz.)
10
Motor Type
Brushed
Number of Batteries Included
0
Product Weight (lb.)
3 lb
Returnable
180-Day
Tools Product Type
Power Tool
Voltage (volts)
18
Warranty / Certifications
Certifications and Listings
UL Listed
Manufacturer Warranty
2 Year Limited Warranty
Questions & Answers
2Questions7Answers
No battery?
Asked by 4sure December 18, 20136
AnswersYes, it was the tool only, but it is part of the 18 volt Ryobi family.
how do I insert the caulking tube?
Asked by elmac511 May 25, 20151
AnswerHi Elmac511. The instructions are under the loading caulk section in the owner's manual. Here is how: OPERATION LOADING CAULK See Figures 3 - 4, page 9. Lock the switch trigger by sliding the switch lock up. Using a utility knife, cut off the tip of the spout on a standard 10 oz. tube of caulk. Cut the tip at a 45˚ angle. Remove as little as possible, taking into consideration the size of the “bead” of caulk you need. Check for a second inner seal at the base of the spout. If found, insert the puncture tool inside the spout to break the seal before using. If using a partially filled tube, use the puncture tool to remove any hardened material from the tip. NOTE: An inner seal is usually found only in cardboard caulk tubes. While holding the caulk gun steady with one hand, pull the handle of the plunger rod away from the caulk gun. Continue pulling until plunger base reaches the back of the carriage frame. Load the caulk tube into the carriage frame, making sure it is well seated at both ends. Hope this helps!
Customer Reviews
Overall Ratings
Worked perfectly!!!
June 22, 2020
Customer review from homedepot.ca 
Had a lot of repetitious silicone’en to do and I would have had no wrist left if I didn’t scoop one of these up… it worked perfecting… went through 24 carriages .. without an issue
Only good for silicone
October 3, 2019
Customer review from homedepot.ca
I bought this gun to be used during a house remodel job. While using it with silicone it worked fairly okay. Once we used adhesive the unit fairly hard on us and bent that we couldn't use it anymore and only two weeks after use.
I am a Ryobi fan and have approx 10-15 tools from them, but will advise everyone to steer away from this flawed product.
Old generation caulking gun is impressive!
June 15, 2019
Customer review from ryobitools.com 
I have had it for over 7 years now and it is one of my most used tools in my remodeling business as well as at home for my own personal use.
I can say there is a downside, it is significantly heavier than manual caulking guns (duh!) BUT I could never get such a consistent bead for the long stretches that I currently do.
Even though it's an old gen tool, the new batteries work with it and works like its brand new.
A joy on the hands
December 26, 2020
Customer review from ryobitools.com
I bought this to save my hands. My hands have developed arthritis in both thumbs and using a conventional manual caulking gun for anything other than a few minutes would cause alot of discomfort. This power caulking gun solves that problem. It's a wonder to use with no fatigue on the hands. The trigger lock takes a bit of getting use to . I would recommend this to anyone who needs a caulking gun.
Awesome
December 22, 2020
Customer review from ryobitools.com
I have arthritis and this gun helps me get the caulking done easily
Ryobi cordless caulking gun
December 5, 2020
Customer review from homedepot.ca
Performs above expectations. Excellent variable speed control.
November 19, 2020
Customer review from homedepot.ca
Great flow control and easy on the hands. Used this tool on to redo Sikaflex on teak deck on our sailboat. Highly recommend for major caulking jobs.
Keeps bursting tubes
November 13, 2020
I've attached an image of what I mean. This is the third tube of exterior caulk that this tool broke. I cleaned it up the first couple times and tried to give it one more chance, but at this point it's just not worth the hassle.
efficient but heavy
November 12, 2020
This saved my wrist from a week of cramping. It was however much heavier than I’d expected. I am not a pro, so my need for it ended quikly. I did not use to apply self leveling caulk, as i wanted more control. The dial did on lowest level was even difficult to keep up with. The rubberized casing also scratched very easily
Made caulking tasks much easier
October 12, 2020
Customer review from ryobitools.com
Really handy tool. Caulking tasks were much easier, cleaner and more precise. Watch the variable speed setting to really control things. Overall great tool.
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