
Owning a tent trailer can be a lot of fun, but it also comes with maintenance responsibilities. One common issue that trailer owners face is dealing with a damaged roof, which can lead to leaks and water damage. While repairing or replacing a trailer roof may seem daunting, it is possible to do it yourself with some careful planning and the right tools. Whether it's a simple patch-up job or a complete roof rebuild, this guide will provide an overview of the process and offer helpful tips to ensure a successful outcome.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Waterproofing and protective coating sealant | Rexoseal RV Pop-Up Tent Trailer Roof Restoration Kit |
| Thickness of the membrane | 27 MIL or 0.68 inches |
| Kit contents | 2 gallons of adhesive, 6 10-oz cartridges, 3 x 40" x 41" of reinforcing membrane, 5" x 300" of reinforcing membrane, brushes, roller, cleaner, etc. |
| Old sealant | Remove before installing new LaSalle Bristol XTRM PVC RV Roof Membrane |
| Thickness of Alpha Systems Superflex TPO RV Roof Membrane | 0.03 inches |
| Water damage | Detach canvas, remove and rebuild roof |
| Wood damage | Replace affected pieces or rebuild from scratch |
| Pin holes and dry rot | Scrape off Styrofoam, cut metal, tape up the roof, and redo the inside ceiling |
| Lights and vent | Measure and mark before removing, then reinstall |
| Bolts | Reuse if possible, otherwise use new screws |
| Friends | 3-4 friends may be needed to help with the roof |
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What You'll Learn

Repairing water damage
Identify the extent of water damage:
Firstly, it is crucial to assess the damage and decide on the necessary repairs. If the water damage is minimal and the wood is structurally sound, you may only need to seal the roof to prevent future leaks. However, if the damage is extensive and the wood is rotten, you might need to replace large sections of the roof or even rebuild it entirely.
Remove the roof:
If you're planning to replace the roof, the next step is to carefully remove it. Detach the canvas from the inside of the camper by unscrewing it from the metal strips attached to the roof sides. Take pictures of the brackets to use as a reference when reassembling. Then, unscrew the lifting brackets from the roof frame. With the help of a few friends, carefully lower the roof, unscrew the bolts, and keep them for measurement during replacement.
Inspect and repair the underlying structure:
Once the roof is removed, lay it on the ground and start removing components like the awning rail, corners, and roof vents. Clean the metal parts by removing any old butyl or putty tape to ensure a clean seal when reinstalling. If there is extensive water damage to the wood, cut and replace the affected pieces, ensuring you don't saw too deeply and damage the aluminum skin. Save the side metal pieces to use as a template for new wood.
Seal and protect against future leaks:
Before reassembling the roof, take preventative measures to protect against future leaks. Remove old sealant using a plastic scraper and prepare the surface with mineral spirits, isopropyl alcohol, or acetone (only use acetone on fiberglass surfaces). Then, apply a new layer of RV-grade sealant to all necessary areas. The roof will require a self-leveling sealant.
Reinstall the roof:
When you're ready to reinstall the roof, drape TPO rubber over it with the black side down, ensuring it overhangs on all four sides by at least 2-3 inches. Flip one side of the TPO rubber over, revealing half of the roof. Prepare your supplies, including a roller with a pole and paint cover, and protect the surrounding floor area. Lift the new roof into place, matching up the electrical connections. Push bolts through butyl tape or add silicone to the TPO before tightening the bolts to create a watertight seal.
Remember to take your time, work carefully, and enlist the help of friends or professionals if needed. With these steps, you can repair water damage and enjoy your tent trailer for many more adventures.
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Removing the roof
Firstly, assess the extent of water damage to your trailer roof. If the damage is minimal and the wood is still structurally sound, you may not need to remove the entire roof. In such cases, you can skip to the sealing stage to prevent future water damage. However, if there is significant water damage, it is best to detach the canvas and remove the roof for a complete rebuild.
Before removing the canvas, take pictures of the brackets and the metal strips to which it is attached. This will provide a visual guide for reassembly. Then, carefully unscrew the canvas from the inside of the camper, ensuring you don't damage any other components.
The next step is to detach the four lifting brackets from the sides of the roof frame. Again, use caution to avoid damaging the surrounding areas. Once the brackets are removed, you can start working on detaching the roof from the uprights.
At this point, it is advisable to enlist the help of a few friends (as suggested by one source) to make the process easier. With their assistance, lower the roof carefully and unscrew the bolts, keeping them safe for replacement measurement later. It is recommended to use new screws when reassembling, as the old ones may have sustained water damage.
Once the roof is detached, lay it on the ground and proceed to remove the remaining components, such as the awning rail, corners, and roof vents. Be sure to save the side metal pieces, as they can be used as a template for new wood.
If you plan to reuse the foam and interior panelling, take extra care not to damage them during the removal process. Additionally, if you intend to replace only specific pieces of wood affected by water damage, use a small circular saw to cut them from the bottom, being cautious not to cut through the aluminium skin.
By following these steps, you can effectively remove the roof of your tent trailer, setting the stage for a successful rebuild or repair project. Remember to take your time, work with helpers, and refer to visual guides or instructions specific to your trailer model whenever possible.
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Using a replacement kit
Before you begin, it is important to note that every camper is different. The replacement process will vary depending on the features of your roof, such as trim pieces, caps, and rooftop appliances. Additionally, ensure you have the necessary tools and safety precautions in place before starting the replacement process.
The first step is to remove the old roof. This may involve unscrewing the canvas and lifting brackets from the roof frame, as well as detaching the roof from the uprights. It is recommended to have some helpers during this process to safely lower and remove the old roof. Once the roof is detached, lay it on the ground and remove any remaining components, such as the awning rail, corners, and roof vents.
Next, you will prepare the new roof for installation. This includes measuring and marking the positions of lights, vents, and other features that need to be reinstalled. It is important to ensure that the electrical connections from the box match up with the wires coming from the roof. Cut and place the butyl tape over the holes to create a watertight seal.
Finally, you can install the new roof. Lift the new roof into place, matching the holes and electrical connections. Push bolts through the tape or apply silicone to the TPO before tightening the bolts to secure the roof. Test the installation to ensure it is secure and watertight.
By following these steps and using a replacement kit, you can effectively replace your plastic tent trailer roof, ensuring a durable and long-lasting solution.
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Fixing the interior
Assess the Damage
Before starting any repairs, it's important to assess the extent of the damage. Check for water damage, rot, or structural issues. Take pictures of the interior, especially the areas that need repair, to help you identify the necessary materials and steps for the repair process.
Remove the Canvas and Interior Components
If necessary, carefully unscrew and remove the canvas from the inside of the camper. Detach any interior components that may interfere with the repairs, such as lights, vents, or damaged ceiling panels. Remember to measure and mark the locations of these components before removal to facilitate proper realignment during reinstallation.
Repair or Replace the Ceiling Panels
If the ceiling panels are damaged, you have the option to repair or replace them. For minor damage, such as small holes or cracks, you can use glue-up ceiling tiles to give the interior a new look and cover up the affected areas. If the damage is more extensive, you may need to cut out and replace entire sections of the ceiling panels, ensuring they match the size and style of the original panels.
Address Insulation and Structural Issues
If there is water damage or rot in the insulation or structural components, remove the affected materials and replace them with new ones. This may involve cutting out and replacing sections of the wood frame, ensuring they are properly secured and aligned. If the damage is minimal and the wood is still structurally sound, you may be able to simply reinforce and seal the affected areas to prevent further water intrusion.
Reinstall Interior Components and Canvas
Once the ceiling and structural repairs are complete, carefully reinstall any interior components you removed, such as lights and vents, ensuring they are securely attached and function properly. Reattach the canvas by screwing it into the metal strips along the sides of the roof, using your markings or pictures as a guide to ensure proper alignment.
Seal and Waterproof the Interior
To prevent future water damage, apply a professional-grade sealant or coating to the interior of the roof. There are specific products available for this purpose, such as liquid rubber RV roof sealants or waterproofing kits, which can be applied to the ceiling, seams, and vents to create a watertight barrier.
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Reinstalling the roof
Once you have removed the old roof, cleaned the surface, and prepared the new roof, you can begin the process of reinstallation.
If you are working with a team, one method is to cut four 2x4 boards a bit higher than the uprights and place them on each corner next to the uprights. This will help support the new roof while you bolt it into place. Ensure that you match up the electrical wiring from the box with the wires coming from the roof. Lift the roof into place, and raise the uprights to meet the holes.
Push bolts through the Butyl tape or apply silicone to the TPO before tightening the bolts to create a watertight seal. Drill the holes from the TPO to the inside, and seal the hole with Butyl tape. You can then screw the lights back into the paneling or ceiling material.
If you have kept the old side panels, put them back up and match the holes for the upright bolts. Reattach the canvas by screwing it into the metal strips on the sides of the roof, using your photos as a reference.
Finally, apply a roof coating sealant to protect against leaks and water damage.
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Frequently asked questions
If you notice extensive water damage, rotting wood, or leaks, it's likely time to replace your tent trailer roof.
You will need a replacement roof, such as a rubber RV roof kit, which includes adhesive, sealant, brushes, and rollers. You may also need tools like a putty knife, a drill, and a saw.
First, detach the canvas from the inside of the camper by unscrewing it from the metal strips. Then, remove the roof by unscrewing the bolts and lowering it down. Finally, lay the roof on the ground and remove the remaining components, such as the awning rail, corners, and roof vents.
Prepare the surface by removing any old sealant or debris. Then, follow the instructions provided with your chosen roof replacement kit, which may include cleaning, patching, and sealing the roof before installation. Ensure you have enough people to help lift and secure the new roof safely.











































