Epoxy repair putties are made from plastic resin materials that are combined and then applied, after which they cure into a solid, waterproof plastic layer. These epoxy putties can be very useful when repairing your camper floor, because they can be used for a variety of surfaces. They work especially well with other plastics, such as vinyl floors, but they can also provide patches for ceramic and metal materials.
If you are fixing the exterior floor of your camper or completing a major repair project that includes replacement of flooring materials, you should use sealants and caulks that will seal the area properly and prevent future leaks. Look for sealants that are designed specifically for RVs and campers, such as ProFlex RV Sealant. These products are typically hybrids of other more traditional caulks.
Patching tape is an alternative to putty that can be very effective in repairing your camper floor. It consists of a strong adhesive layer, often combined with foam, that can help patch interior problems with the edges and lining of the floor. You can also use the tape for exterior work if you are dealing with cracks or holes in the bottom of your camper. Like epoxy putty, patching tape works best on linoleum, vinyl and similar materials inside the camper.
Always match your putty to the type of floor you have. Wood floors, for example, can be patched with a variety of fillers but will not respond well to epoxies. If you have leaks, moisture damage, warping or serious structural issues, find the source of the problem before you start using putty to repair it. You may also need to replace sections of the floor to prevent future problems.