6 Best RV Skirting For Camping To Retain Interior Heat
Keep your RV warm this winter. We review the 6 best skirting options to insulate your rig, prevent heat loss, and save on energy costs during cold camping.
Winter camping turns your RV into a giant heat sink, drawing warmth away through the floor and chassis faster than your furnace can replace it. Skirting acts as a thermal barrier, creating a dead-air space beneath your rig that acts as a critical buffer against freezing winds. Mastering this insulation layer is the single most effective way to keep your pipes from freezing and your toes from going numb.
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Why RV Skirting Is Essential for Winter Camping
When the temperature drops, the cold air circulating beneath your RV acts like a convective cooling system, stripping heat away from your subfloor. Without skirting, your furnace has to work double-time, often failing to keep up with the heat loss radiating through the floorboards. Skirting creates a "dead air" pocket that traps ground heat and prevents wind from whisking away the warmth beneath your living space.
Beyond mere comfort, skirting is a protective necessity for your plumbing. Most RV water lines and holding tanks are exposed to the elements, making them vulnerable to rapid freezing once the mercury dips below 32°F. By installing a proper barrier, you significantly reduce the risk of burst pipes, which can turn a winter getaway into an expensive repair nightmare.
RV WindSkirt: Best Custom-Fit Inflatable System
The RV WindSkirt is a top-tier choice for those who value both performance and a streamlined setup process. By using an inflatable design, this system conforms perfectly to the unique curves of your chassis without requiring permanent modifications or drilling into your rig’s exterior. It effectively seals off the underbelly, creating a robust barrier that stands up well to gusty winter winds.
This system is ideal for full-timers who move locations occasionally but want a professional-grade thermal seal that doesn’t look like a DIY project. While it requires an initial investment, the ease of deployment and high-quality materials make it a clear winner for those who prioritize efficiency. If you want a clean, aesthetic look that performs reliably, this is the system you should be looking at.
AirSkirts Inflatable Skirting for Easy Setup
AirSkirts have revolutionized the market by removing the need for snaps, tracks, or rigid panels. Because these tubes are filled with air and held in place by friction and the weight of the RV, they are incredibly easy to install and remove when it’s time to hit the road. They are essentially "plug and play" for the mobile RVer.
I recommend AirSkirts specifically for those who frequently change campsites and don’t want to spend hours setting up a perimeter. They provide excellent insulation value and are surprisingly durable against the elements. If your primary goal is a hassle-free winter setup that doesn’t compromise on thermal protection, AirSkirts are the gold standard for convenience.
DuraSkirt Rigid Panels for Permanent Insulation
For those who are stationary for the entire winter season, DuraSkirt panels offer a level of durability that inflatable or vinyl options simply cannot match. These rigid, composite panels are designed to be installed once and left in place for the duration of the cold season. They offer a sleek, permanent appearance that blends seamlessly with the look of a residential home.
These panels are the right choice for the "snowbird" who stays in one location for months at a time. They are resistant to moisture, pests, and high winds, providing a solid, long-term barrier that won’t deflate or tear. If you are looking for a "set it and forget it" solution that provides maximum peace of mind, DuraSkirt is the superior, albeit less portable, option.
Custom Vinyl Snap-On Skirting for Portability
Vinyl skirting is the classic, time-tested approach for RVers who need a balance between cost and portability. By installing tracks along the bottom of your RV, you can snap custom-cut vinyl panels into place whenever the temperature drops. This creates a tailored fit that looks professional and keeps the wind out effectively.
This solution is perfect for the RVer who wants a custom fit without the weight of rigid panels. While installation of the tracks requires some initial labor, the ongoing setup is relatively quick once the hardware is in place. If you are comfortable with a drill and want a lightweight, reliable system that stores compactly in your storage bay, vinyl is your best bet.
Reflectix DIY Insulation for Budget Solutions
If you are working with a tight budget, Reflectix—a bubble-pack insulation with a reflective foil surface—is the go-to material for many DIYers. You can cut it to fit the perimeter of your RV and secure it with heavy-duty tape or magnets. It provides a decent thermal break and is incredibly lightweight and easy to source at any hardware store.
However, be aware that Reflectix lacks the structural integrity of professional systems. It can be noisy in high winds and may require frequent repairs if you are in a harsh climate. This is an excellent "entry-level" solution for mild winters or short-term stays, but it shouldn’t be your first choice if you are facing sub-zero temperatures for weeks on end.
Foam Board Insulation for Maximum Thermal R-Value
Foam board (extruded polystyrene) offers the highest R-value, or thermal resistance, of any common skirting material. By cutting these rigid boards to fit the height of your RV’s underbelly, you create a literal wall of insulation that is far superior to thin vinyl or inflatable options. It is the most effective way to keep the space beneath your rig truly warm.
The tradeoff here is bulk; transporting large sheets of foam board is impractical for most RVers. This is a solution meant for those who have a dedicated winter site and have the space to store the boards during the off-season. If you have the storage capacity and want the absolute best thermal performance for an extended, stationary winter, foam board is the undisputed champion.
Measuring Your RV Chassis for Proper Skirting
Before buying any materials, you must take precise measurements of your RV’s perimeter. Start at the front bumper and work your way around, noting the height from the bottom of the RV frame to the ground at every point. Since the ground is rarely perfectly level, always measure the lowest point to ensure your skirting isn’t left with gaps.
Don’t forget to account for slide-outs and external storage doors. You need to decide whether you will skirt around these obstacles or create separate panels for them. Taking the time to map out your chassis on paper first will save you from buying too much material or, worse, coming up short in the middle of an install.
Installing Skirting to Prevent Heat Loss Issues
The secret to effective skirting isn’t just the material—it’s the seal. Even the most expensive skirting will fail if there are gaps where cold air can whistle through. Ensure your skirting overlaps the ground slightly, and use heavy items like sandbags or landscaping bricks to hold the bottom edge firmly against the earth.
- Seal the gaps: Use foam tape or weather stripping where the skirting meets the RV body.
- Ventilation: If you are using a propane furnace, ensure you have proper ventilation to prevent moisture buildup or carbon monoxide traps.
- Tighten the perimeter: Use tension rods or heavy-duty clips to keep the skirting taut against the frame.
Maintaining Your Skirting During Winter Travel
Winter conditions are brutal on exterior equipment. Periodically inspect your skirting for tears, loose snaps, or gaps caused by shifting ground or heavy snow accumulation. If you are using inflatable or vinyl systems, keep a repair kit on hand—a small puncture can turn into a major thermal leak overnight.
If you experience heavy snowfall, clear the perimeter of your skirting regularly to prevent the weight of the snow from crushing your panels or putting undue stress on your attachment points. A little bit of proactive maintenance ensures that your heating system isn’t fighting a losing battle against the elements. Stay vigilant, and your RV will remain a cozy sanctuary even in the heart of winter.
Investing in quality skirting is the difference between a miserable, freezing winter and a cozy, comfortable season of off-season travel. Choose the system that matches your mobility level and climate intensity to ensure your RV remains a safe, warm home. With the right barrier in place, you can confidently chase the snow without sacrificing your comfort.
Frequently Asked Questions (FAQs)
What does RV skirting do to retain interior heat?
RV skirting traps a dead-air barrier beneath the rig, preventing freezing crosswinds from stripping warmth through the exposed floorboards. This stagnant pocket of air acts as thermal insulation that reduces interior heat loss by up to 25 percent. Skirting also shields plumbing lines, water tanks, and slide-out underbellies from direct freeze damage, which cuts down on overall propane consumption. Adding a small, thermostat-controlled heat source under the RV can keep the underbelly comfortably above 32 degrees Fahrenheit.
What is inflatable RV skirting?
Inflatable RV skirting consists of puncture-resistant PVC tubes that inflate with an electric air pump to seal the gap between the camper frame and the ground. These heavy-duty air bladders create a snug seal against uneven terrain without drilling screws or mounting snaps into the RV sidewalls. Most commercial kits pack down into compact storage bags, weigh roughly 50 to 80 pounds, and require roughly 30 minutes to set up or deflate when moving between winter campsites.
How do I install foam board RV skirting on an uneven campsite?
Installing rigid foam board RV skirting on uneven ground requires measuring the gap from your RV frame to the dirt every few feet and trimming each sheet with a utility knife. Scribe the contour of the terrain along the bottom edge of two-inch extruded polystyrene boards before slicing. Secure the top edges to your RV trim using non-damaging foil tape, and butt the panels together using moisture-resistant exterior tape. Weigh down the bottom edge with dirt, bricks, or gravel bags to prevent gaps.
How do you secure heavy-duty vinyl RV skirting in high winds?
Securing heavy-duty vinyl RV skirting in windy conditions requires fastening the upper grommets with twist-lock fasteners and anchoring the bottom flap with heavy ballast. Place continuous sandbags, pea gravel tubes, or water bladders directly over the eight-to-twelve-inch ground flap rather than relying solely on metal stakes. In areas with sustained winds over 40 miles per hour, drive 12-inch heavy-duty steel rebar stakes through the lower grommets at a 45-degree angle pointing toward the RV to resist uplift forces.
Is vinyl or rigid foam board RV skirting better for freezing temperatures?
Rigid foam board provides superior thermal insulation compared to standard vinyl RV skirting because foam carries an R-value between R-5 and R-10 for standard sheets. Commercial vinyl skirts are significantly more durable, reusable, and wind-resistant, but offer an insulation value closer to R-1 unless backed by insulated batting. For seasonal stationary stays where temperatures consistently drop below zero degrees Fahrenheit, foam board retains heat much more efficiently, whereas mobile campers benefit more from durable, transportable insulated vinyl panels.
How much does custom insulated RV skirting cost for a travel trailer?
Custom insulated RV skirting for an average travel trailer typically costs between $1,500 and $3,500, depending on trailer length, clearance height, and material quality. Professional installations from custom manufacturers fall within this range, with larger fifth wheels running up to $4,500. By contrast, a homemade setup built from two-inch extruded polystyrene foam board or foil-backed insulation generally costs between $150 and $400 in materials from local home improvement stores.
Why is moisture building up under my RV skirt during winter?
Moisture builds up under an RV skirt when warm air from the camper cabin contacts cold ground soil, causing evaporation and condensation under the floor. Ground moisture naturally rises into the enclosed area, and high indoor humidity from cooking or showers can seep through unsealed floor cavities. Lay a six-mil polyethylene plastic vapor barrier over the bare ground underneath the skirt to block rising ground vapor, and ensure any heat source placed under the rig is dry electric rather than unvented propane.
Is RV skirting worth it for camping in below freezing weather?
Using RV skirting is definitely worth the investment for below-freezing camping because it prevents costly frozen holding tanks and drastically reduces heating fuel expenses. Unskirted RVs lose substantial heat through their chassis, which forces propane furnaces to run almost continuously in sub-freezing temperatures. By stopping the wind chill under your floor, skirting keeps interior flooring warm to the touch, protects vulnerable dump valves from cracking, and can save owners hundreds of dollars in propane costs over a single winter season.
