If you’ve ever dealt with roof leaks, you know how important it is to regularly maintain your RV’s protective barrier. One of the most common maintenance tasks is caulking an RV roof to seal gaps, cracks, and seams that can let in water. While RV roof caulk is a temporary fix, understanding the right way to apply it—and knowing when to upgrade to a permanent solution—can save you major headaches down the road.

Why Caulking Matters
Your RV roof stands as the first line of defense against the elements. Failing to maintain seals and joints can lead to serious water damage, mold, and costly repairs. RV roof caulk acts as a shield, sealing up vulnerabilities caused by travel, weather, and aging materials.

Step-by-Step Guide to Caulking Your RV Roof
Inspect the Roof – Look for cracks, separation, or peeling caulk along seams and joints.
Choose Quality Caulk – Use only products designed specifically for RV roofs.
Prep the Surface – Clean away debris, old caulk, and dirt for proper adhesion.
Load the Caulk Gun – Cut the caulk tube at a 45-degree angle and place it in the gun.
Apply Caulk Evenly – Squeeze a consistent bead along seams and edges.
Tool the Caulk – Smooth it out using a caulking tool or damp finger for full coverage.
Let It Dry – Allow the caulk to cure fully before exposing it to rain or cleaning.

Skip the Hassle with FlexArmor
While caulking an RV roof is important, it’s also repetitive and time-consuming. That’s why many RV owners are switching to FlexArmor, a permanent spray-on RV roof coating that eliminates the need for caulking altogether.

FlexArmor creates a seamless, watertight barrier that’s 3X thicker than conventional coatings. It boasts a 3500 psi tear strength, resists punctures, and remains flexible in freezing temperatures. Plus, it’s applied professionally in just three days at one of 38 certified locations across the U.S.

Best of all? FlexArmor comes with a lifetime, 100% no-leak warranty—giving you total peace of mind and eliminating the need for constant maintenance.

Ditch the Ladder and the Caulk Gun
Join over 20,000 RVers who’ve made the switch. With FlexArmor, you’ll never have to recaulk or worry about roof leaks again. Contact us for a quote today and invest in a roof that’s truly built to last.