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12 Caulks, Sprays, And Lubes Used For RV Maintenance & Repair

Traveling and living in your RV can be an awesome experience that can be empowering and life-changing. The ability to see the sights and feel the different climates and terrains is something that everyone should try to experience at some point in their lifetime.

Living this lifestyle for a while now, we have learned how important it is to have the proper tools and supplies on hand to perform RV maintenance and repairs.  These items allow us to continue enjoying the RV lifestyle with minimal downtime.

This list contains a variety of caulks, sprays, and lubes that have come in handy for performing various RV maintenance and repairs. This list could be added to or taken away from based on personal preference or skill level for performing repairs, but we feel it’s a good starting point.

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1. Dicor Roof Sealant (Non-Sag)

There are two different types of roofs: roofs that have leaked and roofs that will leak. Having a quality sealant to stop a leak or to prevent one is very important.

Dicor Roof Sealant will stop active leaks and prevent them, as well as fill minor tears, rips, gauges, and seams. We recommend the non-sag formula so you can use it on flat and vertical applications.

RV maintenance
Doing a little caulking to seal up the door seam

2. Tremco Vulkem 116

A carpenter introduced this product to me years ago and it is top quality. We personally used this on our entire roof and all seams on the exterior of our RV two years ago and it is still holding strong with no issues.

Tremco Vulkem 116 is a polyurethane sealant that remains very flexible and works awesome as a superior water repellent. Use this product for exterior use only as it gives off very potent fumes.

3. Sashco Big Stretch Elastic Sealant

Sashco Big Stretch claims to have up to 500% stretch-ability and it can be used inside and outside. We like it because it’s paintable and water clean up. You can use it anywhere a seam needs to be sealed and painted. They sell the sealant in different colors, but we feel white is the most versatile.

4. Silicon

Silicon can seal, fix, and prevent water damage on a lot of things such as windows, seams, seals, sinks, and backsplashes. Use it on about anything for a temporary fix or repair.

5. WD 40 Lubricant/Penetrate

You can use WD 40 to oil just about anything that moves with many other uses. It eliminates squeaks, loosens anything rusted, protects metal from corrosion, displaces moisture, is okay to use on hunting and fishing equipment, and it removes grease, grime, gunk, gum, tar, sap, super glue, sticker residue, and other sticky stuff.

RV maintenance
Spraying silicone spray on a slide-out rail

6. WD 40 Silicone Lubricant Spray

Silicone lubricant safely lubricates, waterproofs and protects metal and non-metal surfaces including rubber, plastic, and vinyl. It dries fast and leaves a clear, non-staining film that doesn’t stick or make a mess, so it won’t attract dirt.

This would be a good product to lubricate any slide mechanisms on your slide-out.  You could also use it to lubricate the shafts of your leveling jacks for smooth operation.

7. WD 40 Electrical Contact Cleaner

Electrical contact cleaner is ideal for cleaning oil, dirt, flux residue, and condensation from printed circuit boards, controls, switches, precision instrument, and electric panels. It’s also safe to use on all plastic, rubbers, and metals.

8. Brake Cleaner Spray

Obviously, you can use this for cleaning your brake components if you’re able to perform brake work on your rig, but brake cleaner also works as an excellent cleaner for removing any grease or oil residue.

9. Loctite Copper Anti-Seize

Loctite Copper Anti-Seize is an awesome product with countless uses. You can use it on the threads of spark plugs, nut and bolts, tire lug nuts, battery terminal connections, and brake caliper components. Put it onto anything threaded that you would like to later remove with ease.

RV maintenance
Putting dielectric grease onto the contacts of the mass air flow sensor

10. Dielectric Grease

The last thing you want on your rig electrical system is short because of corrosion. If you drive or park in any salty environments you want to use this on an electrical connection. Dielectric grease prevents rust and corrosion and increases performance.

11. Plumbers Grease

Plumbers grease can be used on plumbing hardware such as handles, knobs, and levers. Food grade safe, it keeps components lubed for smooth operation and it can also be used as a lubricant for many other applications.

12. Megaloc Thread Sealant

Megaloc can be used for almost any connection on your RV with metal or plastic threads as a thread sealant. We recommend the small one-ounce tube for this goes a long way.

Owning an RV requires just as much (or more) repair and maintenance as a sticks-and-bricks home.  If your RV needs any kind of service or maintenance work it can disrupt your travel plans and your life by basically forcing you out of your home to make the repairs to carry on with travel or living.

An engine break down or interior repair can’t always be prevented, but sometimes they can—so wouldn’t it be nice to have some materials on hand to prevent any problems, or make the repair yourself? We think so. If you’re new to the RV world or a seasoned road vet we hope this list of useful materials will help you out. Keep traveling.

Read more about important annual RV maintenance