Cavity Coater - Cavity Wax and Corrosion Inhibiting Coating

Cavity Coater is the Perfect Solution for hard to reach areas that are prone to rusting! Cavity Coater is a single step, super-penetrating corrosion inhibiting coating (CIC) designed for long term protection on all metal surfaces. KBS Cavity Coater provides a self healing film which provides insane rust protection on hard to reach areas.

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Cavity Coater Overview

Cavity Coater is a one-step, super-penetrating corrosion inhibiting coating (CIC) for long term protection on all metal surfaces.

Cavity Coater provides a self healing film which renders over 4000+ hrs salt spray protection (an industry test that means Insane Rust Protection) ...over 4 times the protection of conventional cavity waxes.

Use Cavity Coater with a KBS Cavity Wand to give long lasting protection for those hard to reach enclosed cavities such as rocker panels, boxed frames, inside doors & fenders, deck lids, tailgates...and more.

Cavity Coater Features

4000+ Hrs Salt Spray Test (Insane Rust Protection)
Creeps into Welds & Seams
Wicks & penetrates where primers and topcoats cannot get
Water Displacing
Self Healing
Easy Application
Ultra Long Lasting

Multi-Surface Uses
Forms Capillary Action
Lubricating properties
Minimizes parts replacement costs
Enables faster dis-assembly when repairs are needed
Protects against carbon fusion
Resists alkaline solutions, most chemical & acid vapors, road salt, steam, salt water.

Cavity Coater Applications

Automotive: Boxed frames • Rocker panels • Inside doors • Inside car & trailer frame rails • Windshield cowls • trunk lids • Hoods • Inside A-Posts • Inside B-Posts • Inside front & rear fenders & Inside tailgates • Back sides of bumpers • Weld seams (Wicks into welds & seams) • Insulating between unlike metal surfaces • Use wherever a typical cavity wax would be used.

Anti-Seize/Anti-Corrosion: Nuts, bolts & screws • Shafts • Pipe fittings • Gaskets • Press fit assemblies • Valve assemblies • Taps & drills • Pump mountings • Packing glands • Chain drives • Metal fittings • Machinery

Cavity Coater Coverage

Aerosol of Cavity Coater will coat 125 sq. ft. @ 1 mil thickness.
Quart of Cavity Coater will coat 200 sq. ft. @ 1 mil thickness.
Gallon of Cavity Coater will coat 800 sq. ft. @ 1 mil thickness.

Directions & Information Pages

Cavity Coater Directions

Cavity Coater - Instructional Video

Rating Snapshot

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Average Customer Ratings

4.7

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So Easy To Apply

When I started thinking about coating my frame I was concerned with the inside thinking that even I coated the outside of the frame the inside would still rust. Found this. So easy to apply and I liked being able to see if weep out when the entire inside had been coated well. High Recommend.

Did you find this helpful? 0 of 1 Found Helpful

Reviewed by: Fred T from Cleveland, OH on 2/26/2021

Cavity coater

Purchased three aerosol spray cans over the years. One can came out foamy did not cover well the other two worked great. Assuming it was just a bad mixture.

Did you find this helpful? 1 of 3 Found Helpful

Reviewed by: Chris from Kalamazoo on 9/18/2020

Rust repair

I’ve used several KBS products to repair rust on my Silverado and have been very happy with them so far

Did you find this helpful? 2 of 3 Found Helpful

Reviewed by: Steve from Ankeny, Ia on 5/12/2020

This stuff works!

Looked at many rust prevention coatings on the market both on line and the auto stores, this coating by far is the best. The ability for the coating to creep and flow into tight areas before turning viscous is what makes this product work. Used this on a 3"x2" box style frame Shorelander boat trailer after repairing some rusted out sections. The extended wand allowed for a complete coating on the inside of the frame along the entire 24' length using the wiring holes in the trailer.

Did you find this helpful? 3 of 4 Found Helpful

Reviewed by: David G from New Berlin on 4/14/2020

Ends rust

excellant

Did you find this helpful? 1 of 2 Found Helpful

Reviewed by: THOMAS WARFEL . from Harlan on 3/12/2020

Great Solution

Great solution for hard to get t places. Recently refurbished the roof on my 1964 Mercedes 230SL. There was an "impossible to reach" channel in the back lower portion of the roof. The cavity coater was perfect for the job. I was unable to use the spray head provided but was able to plug the end with a toothpick and drill tiny holes in the tubing. Worked perfectly!

Did you find this helpful? 1 of 2 Found Helpful

Reviewed by: Thomas from Satellite Beach, Florida on 2/11/2020

Great product. Easy to use & goes a long way,

So far, I've used KBS Cavity Coater to treat the inner front fender cavities of a '98 Lincoln Town Car. Removing the headlights provided easy access points. I applied KBS Cavity Coater using the extra long wand and the application was fast, easy and painless. The product has a fairly pleasant smell. I chose to apply the product generously but have plenty left in the can to treat the bottoms of the doors and the inner rocker panels. I will likely order a second can for the inner rear quarters and inner frame rails as I plan to treat the entire car. Thank you for putting out a great product in the fight against rust.

Did you find this helpful? 5 of 6 Found Helpful

Reviewed by: Oliver from Staten Island,NY on 12/29/2019

Works great

Works great, one can did the entire frame inside. Have another vehicle to do with this great product

Did you find this helpful? 1 of 2 Found Helpful

Reviewed by: Oldplow from Ohio on 12/13/2019

Outstanding

Great product, have ordered it twice, shared with my auto body man and is likes it better that the other products he has used.

Did you find this helpful? 3 of 4 Found Helpful

Reviewed by: Lawrence Meggs from Roan Mountain, Tn. on 2/28/2019

Preventing rust beats de rusting and painting

I use this cavity coater on my boat trailer used in salt water. My first trailer (Galvanized steel) just melted with rust after 10 years. I spent $4,000 on a new Aluminum one and have coated this one Steel parts with this product and over the last 3 years I have extremely little rust. This cavity coater works for me.

Did you find this helpful? 3 of 4 Found Helpful

Reviewed by: Ed from Saint Rose, LA on 12/22/2018

Q: Can I reuse the Cavity Wand or is the Cavity Wand a single use item?

Asked by: Dusty - 1/17/2021

A: You can reuse the Cavity Wand almost indefinitely.

After each use, simply flush residual Cavity Coater from the Cavity Wand by inverting the Cavity Coater Aerosol can and spraying for 10 seconds to flush Cavity Wand. If you do this, the Cavity Wand will be ready to use the next time it is needed.

Please be sure to read thoroughly the Cavity Coater Directions before you get started and let us know if you have any questions.

Was this answer helpful? 1 of 2 Customer(s) found this Answer helpful.

Answer provided by: KBS Coatings (1/17/2021)

Q: Can I apply Cavity Coater into the back side of the fuse and relay panels under the hood to prevent moisture from causing corrosion in the connections?

Asked by: Jerry S - 1/18/2021

A: Yes, absolutely. You can spray the back sides of fuses and relays with Cavity Coater to prevent corrosion which commonly happen under the hood. That is an ideal application.

Please be sure to read thoroughly the Cavity Coater Directions and let us know if you have any questions.

Was this answer helpful? 1 of 2 Customer(s) found this Answer helpful.

Answer provided by: KBS Coatings (1/18/2021)

Q: Does Cavity Coater stop rust on internal cavities that already have rust? Thanks

Asked by: Oliver - 10/27/2019

A: Yes, KBS Cavity Coater is ideal for internal cavities that are rusty. KBS Cavity Coater will stop the rust from getting any worse.

Was this answer helpful? 0 of 0 Customer(s) found this Answer helpful.

Answer provided by: KBS Coatings (9/1/2021)

Q: Can this product be applied with an undercoating gun? Like one designed for fluid film or related products?

Asked by: Robinson - 12/15/2019

A: Yes, Cavity Coater is applied with an undercoating type spray gun.

Was this answer helpful? 0 of 0 Customer(s) found this Answer helpful.

Answer provided by: KBS Coatings (9/1/2021)

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Everything you need to get started and try out our complete KBS system stopping rust from the inside out! A full 1/2 pint of RustSeal will cover an approx. 12 sq. ft. area with 2 coats and the Cavity Coater and Wand will seal up to 125 sq. ft. Experience the quality & durability for yourself. Our complete system in one package!

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Cavity Coater - Cavity Wax and Corrosion Inhibiting Coating

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Cavity Coater Overview

Cavity Coater Features

Cavity Coater Applications

Cavity Coater Coverage

Directions & Information Pages

Cavity Coater - Instructional Video

Rating Snapshot

Average Customer Ratings

Q: Can I reuse the Cavity Wand or is the Cavity Wand a single use item?

Q: Can I apply Cavity Coater into the back side of the fuse and relay panels under the hood to prevent moisture from causing corrosion in the connections?

Q: Does Cavity Coater stop rust on internal cavities that already have rust? Thanks

Q: Can this product be applied with an undercoating gun? Like one designed for fluid film or related products?

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