The outside of an RV wears in a few known places: the roof and its sealant, the slide-out seals, the awning, the windows, the tires, and the wheel bearings and brakes. How often you check each one comes from your builder's owner's manual and from the component maker, not from a general rule.
The Outside of Your RV: Roof, Seals, Awning, Slides, Tires and Running Gear
On this page (4)
What wears outside, and who sets the intervals
Two documents govern the outside of your rig. The first is the maintenance schedule in the owner's manual from the company that built the coach: Jayco, Forest River, Keystone, Winnebago, Grand Design and the rest each publish their own. The second comes from the makers of the parts bolted to it, such as Dicor for roof sealant, Lippert for slides and awnings, Dexter for axles and brakes, and Goodyear for tires.
They do not always agree, because the builder writes for the coach and the component maker writes for the part. Where the two differ, follow the shorter interval. Where only one of them covers a part, that one is your schedule.
Keep a dated note of what you inspected and what you resealed. That record matters more than most owners expect.
Tip: Several builders tie roof warranty coverage to regular, documented roof inspections. If the sealant is never checked and water gets in, the claim can be refused. Read the warranty section of your own owner's manual before the first season, not after the leak.
The order to work through before a season or a trip
Work top down and front to back, so that anything you disturb gets checked again below it.
| When | What to check | Why it matters |
|---|---|---|
| Start of season | Roof membrane and every sealant bead, slide seals, awning fabric and arms, tires, wheel bearings and brakes if due, lights and the breakaway switch | This is the only pass that looks at parts you cannot see from the ground |
| Before each trip | Cold tire pressure, lug nuts, awning rolled and locked, slide seals clear of grit, vents and hatches closed, hitch and running lights | These are the items that fail at speed or on the first mile |
| End of season or storage | Wash and dry the roof, reseal anything cracked or lifting, dry the awning fabric before rolling it, protect tires from sunlight, level and chock | Tires and sealant keep aging in sun and weather while the rig sits still |
Your own intervals come from the schedule in your owner's manual and the care guide for each component; treat the table above as the order, not as the timing.
Safety, in one place
- Walk the roof only if your builder states the roof is walkable, and only on the areas they name. Many roofs are not.
- With a wheel off, the trailer goes on jack stands rated for the load. Never work under a unit held up by a jack alone.
- A manual awning roller holds a wound spring under tension. Follow the component maker's procedure for releasing and stowing it.
- Brakes and the breakaway system are part of your towing safety chain.
- Structural work is a stop line: frame and hitch repairs, slide mechanism replacement and roof structure repairs go to a qualified RV technician.
Every exterior page, by part
Roof and seals
Which sealant goes on which membrane, and how to tell rubber from fiberglass, is covered in the guide to RV roof sealants by roof type. Once water is already inside, the method for tracing it and patching it is in RV roof repair.
Awning
How manual, electric and cassette awnings differ is in RV awnings explained. Torn or chalked fabric on a sound roller is a fabric replacement job, while an awning that stalls part way out or will not retract is covered in awning not retracting or extending.
Slide-outs and windows
A room that hums, jams or runs crooked is diagnosed in RV slide-out not working. The rubber that keeps weather out of the opening, plus wear bars and toppers, is in slide-out seals. Cracked glass, failed frames and leaking window flanges are in RV window replacement.
Tires, bearings and the breakaway switch
Load range, date codes and inflation are in RV and trailer tires explained. Repacking and inspecting trailer wheel bearings is the other half of the running gear, and the small safety device that applies the trailer brakes if it separates from the tow vehicle has its own page on the trailer breakaway switch.
Setting up at camp
Getting the rig level and stable before the slides go out is covered in leveling with blocks, chocks and jacks.
Tip: Photograph every sealant bead on the roof at the start of each season, from the same spots each time. Comparing this year's photos with last year's shows lifting edges and hairline cracks far sooner than a single look does, and it doubles as the dated record your warranty may ask for.
Appliances, plumbing and the electrical supply sit outside this hub. Those live with RV systems explained.
All guides in this section
- Leveling an RV: Blocks, Chocks and Why Stabilizer Jacks Do Not Level
How to level an RV side to side and front to back with blocks, chocks and the tongue jack, how many blocks to carry, and why stabilizers do not lift.
- Replacing RV Awning Fabric: Measuring, Ordering and Fitting It
How to measure your RV awning for new fabric, what to order, and the steps to swap it on a manual or power awning, with the makers' spring warnings.
- RV and Trailer Tires: ST vs LT, Load Range, Pressure and Age
ST vs LT tires for travel trailers, load range and the pressure on your placard, the date code and the age limits tire makers give, and what a TPMS adds.
- RV Awning Not Retracting or Extending: What to Check
Why a power awning will not move or a manual awning will not roll up, the switch, fuse, motor and arm checks from the makers' manuals, and manual retract.
- RV Awnings Explained: Manual vs Power, Fabric, Wind Limits and Size
How RV patio awnings work, manual vs power, vinyl vs acrylic fabric, the wind and rain limits the makers set, and how to tell what size awning you have.
- RV Roof Repair: Finding the Leak, Patching It, and When to Re-Roof
How to find where an RV roof is leaking, patch EPDM, TPO and fiberglass roofs with the materials their makers approve, and the signs it needs a new roof.
- RV Roof Sealants: Self-Leveling vs Non-Sag, and What Fits Your Roof
Which RV roof sealant goes where: self-leveling lap sealant on flat seams, non-sag on edges, what EPDM, TPO and fiberglass roofs take, and when to reseal.
- RV Slide-Out Not Working: What to Check, by Slide Type
Why an RV slide-out will not move, stops partway or runs crooked, the owner checks for in-wall, rack and pinion and hydraulic slides, and manual retract.
- RV Slide-Out Seals, Wear Bars and Toppers: Care and Replacement
What the seals, wear bars and topper on an RV slide-out each do, how to care for them, how to find a slide leak, and how to replace a worn seal.
- RV Window Replacement: Measuring, Frame Types and What You Can DIY
How RV windows are built and fitted, how to measure for a replacement, glass-only vs whole-window swaps, and resealing a leaking frame with butyl tape.
- The Trailer Breakaway Switch: What It Does, Testing It, and Its Battery
What a trailer breakaway switch does if the trailer comes off the hitch, how to test it, the battery that powers it, and how to reset a pulled pin.
- Trailer Wheel Bearings: Checking, Repacking and When to Replace
How to tell if trailer wheel bearings are bad, how often axle makers say to repack them, the repack steps, and how to find the bearing numbers you need.