When temperatures drop or the sun beats down hard, insulation becomes a top priority for RV owners and anyone storing outdoor equipment. Whether you’re living the van life, traveling across the country, or keeping tools and supplies in an outdoor shed, maintaining proper insulation is key to comfort and protection.
Here’s the good news: you don’t have to spend a fortune on expensive insulation materials. Heavy-duty tarps can do wonders when used creatively. From blocking drafts and moisture to reflecting heat and preventing condensation, tarps are versatile, budget-friendly, and easy to install.
Let’s explore some of the best DIY insulation hacks using tarps for RV living and outdoor storage—perfect for both short-term use and year-round protection.
1. Insulate RV Windows and Doors with Reflective Tarps
Windows and doors are the main culprits when it comes to heat loss or unwanted heat gain. A simple yet effective hack is to use reflective poly tarps or insulated tarps to cover them.
Reflective tarps help bounce sunlight away during the summer, keeping your RV cool. In winter, they help retain warmth by blocking cold air from seeping in. For best results, cut the tarp to fit your window frame, and secure it with adhesive Velcro strips or bungee cords.
If you prefer a neater look, you can use clear vinyl tarps that let in light while still providing a weatherproof seal. This way, you maintain visibility while keeping your living space cozy.
Bonus Tip: For even better insulation, layer a reflective tarp outside and a soft canvas or fabric tarp inside. This combo adds extra thermal protection.
2. Create an Insulated RV Skirt with Heavy-Duty Tarps
RV skirting is a must for those living in their RVs during the colder months. It blocks cold air from circulating underneath your RV, helping to maintain warmer floors and prevent frozen pipes.
A cost-effective way to make your own RV skirt is by using heavy-duty vinyl or polyethylene tarps. These tarps are waterproof, durable, and easy to cut to size. Simply measure the perimeter of your RV, then attach the tarp using clips, Velcro, or snap fasteners.
For added stability, weigh down the bottom edges with sandbags, bricks, or PVC pipes. You’ll immediately notice a difference in warmth inside your RV, and your energy usage for heating will likely drop, too.
Pro Hack: Use insulated tarps with a reflective side for even more temperature control.
3. Build a Tarp Shelter for Outdoor Storage
If you store outdoor items such as tools, lawn equipment, or bikes, exposure to the elements can quickly lead to rust, fading, or damage. One of the easiest insulation hacks is to create a tarp shelter or cover.
Using a poly tarp or PVC vinyl tarp, you can set up a quick structure over your storage area. Whether you drape it over a simple frame or secure it directly over your equipment, the tarp will help regulate temperature and keep moisture away.
In hot weather, light-colored tarps reflect sunlight and reduce heat buildup, while in winter, darker tarps help retain warmth and block cold winds.
For long-term protection, make sure your tarp shelter has proper airflow to prevent condensation and mold.
4. Line the Interior Walls and Ceiling of Your RV
Another smart DIY insulation hack is lining the inside walls and ceiling of your RV with insulated tarps. These tarps usually feature a polyethylene core with thermal layers that reduce heat transfer.
Cut the tarps to fit your RV’s interior panels and secure them with adhesive spray or double-sided mounting tape. This creates a thermal barrier that helps stabilize indoor temperature and reduce condensation on metal surfaces.
If you’re trying to maintain a clean and organized look, cover the insulated tarp with decorative fabric or removable panels. The result is a warmer, quieter, and more comfortable RV interior without expensive remodeling.
5. Wrap Water Tanks and Pipes with Insulated Tarps
Nothing is worse than frozen pipes in the middle of winter. To prevent this, you can wrap exposed pipes and water tanks using insulated tarps or small sections of heavy-duty vinyl tarps.
This helps trap warmth around the pipes and reduces the risk of freezing. Combine this with heat tape for maximum protection. Even a small section of tarp wrapped securely with bungee cords or zip ties can make a big difference during cold snaps.
Pro Tip: Don’t forget to check for any gaps where cold air might enter—seal them with weather-resistant tape or foam insulation.
6. Cover Outdoor Gear and Furniture for Year-Round Protection
Outdoor storage areas often face harsh weather changes that can damage your items over time. Whether you’re storing patio furniture, gardening tools, or camping gear, using tarps as insulation layers helps extend their lifespan.
Use poly tarps or canvas tarps to cover your items tightly. Poly tarps are waterproof and protect against rain and snow, while canvas tarps are breathable and great for preventing mold in humid conditions.
For extra insulation, create air gaps between layers using small wooden planks or plastic tubing—this helps maintain airflow while keeping the cold or heat out.
7. DIY Thermal Curtains and Dividers
For RV owners, dividing interior spaces can make heating and cooling more efficient. You can make thermal dividers or curtains using insulated tarps.
Hang them using curtain rods, bungee cords, or hooks to section off areas like sleeping zones or living areas. This keeps heat concentrated where you need it most and minimizes the strain on your heating or cooling system.
If you’re camping or boondocking, this hack is especially useful since it helps preserve energy and maintain comfort inside your RV.
8. Build a Windbreak or Sun Barrier Around Your Campsite
For RVers who love spending time outdoors, creating a tarp-based windbreak or sun barrier is a simple yet effective insulation trick.
Set up PVC poles or stakes around your campsite and attach a large tarp to block strong winds or harsh sunlight. It not only provides comfort but also helps maintain stable temperatures inside your RV.
Choose clear PVC tarps if you want visibility or reflective poly tarps for maximum temperature control. Plus, these makeshift barriers double as privacy screens.
Conclusion
Insulating your RV and outdoor storage doesn’t have to be complicated or costly. With a few well-chosen tarps and some DIY creativity, you can keep your RV cozy in winter, cool in summer, and your stored items protected year-round.
From reflective window covers to insulated RV skirts and tarp shelters, these DIY hacks are practical, affordable, and long-lasting.
For top-quality tarps built to withstand any season, trust Tarp Supply Inc.®. As one of the nation’s leading tarp manufacturers, we offer a wide range of poly, vinyl, canvas, and insulated tarps for every purpose.
Contact Tarp Supply Inc.® today at 630-953-4700 to find the perfect tarp for your RV or outdoor project.
