Camper Subfloor Thickness

For joists spaced more than 19 2 inches on center the minimum thickness for plywood is 7 8 inch and for osb 1 inch.

Camper subfloor thickness. See my step by step diy instructions for floor demolition and restoration. Install the new pieces by drilling the plywood into the joists under the subfloor. For the subfloor and to tie everything together we will be installing a plywood floor in the van. Then i ripped the floor out up to the cabinets and dinette seats and started framing underneath the camper see photos attaching 1x3 studs to the steel frame to give the subfloor something to screw into.

Set your circular saw to the depth of your sub floor depending on what type of camper you have your sub floor will vary in thickness. The subfloors need to be thicker. The standard inch thick plywood is sufficient to securely hold all cabinetry and appliances. This will make for a solid surface to mount the rib seat and leave options open for floor coverings to be installed at a later date.

You may need to put your rv up on jacks to perform this step and ensure that all the old rotted flooring is completely removed both internally and externally. To save time and money i cut the floor out flush with the cabinets with a multi tool and a flush cutting blade. Note the thickness of the subfloor material so you can replace it with plywood of the same thickness. Use a circular saw to cut new pieces of plywood to fit in the rotten places.

Camper van flooring how we did it tools and materials used. I replaced the rotten floor in my 2006 trail lite camper for under 500. If you have a section of sub floor that has rotted through you ll be able to measure just how thick your sub floor is. Generally it will be either or inch thick.

For joist spacing of more than 16 inches up to 19 2 inches on center the minimum thickness for both plywood and osb is 3 4 inch. Once he knew where the damage was doug removed the vinyl floor covering and all the rotted wood. Plywood top layer subfloor. Inside height the basic composition of the sub floor in an rv or van conversion should consist of a bottom layer of one half to one inch of poly iso insulation and a top layer made of exterior grade plywood.

Remove the areas that are badly damaged. Benefits of our 1 2 plywood include lighter weight lower cost and an extra inch of headroom. But we want as thin as reasonable. First decide how you want your subfloor plywood 1 configured on the floor see photos below for our configuration.