Wooden surfaces in order – How to properly treat the raw surface of your motorhome furniture

Building a motorhome is a balancing act between durability, weight and style. At life4Van, we don't use the same board for everything. We choose materials according to their intended use: softwood plywood for vertical structures and strong Finnish birch plywood for load-bearing structures.

Many of our modules are delivered pre-coated, but sometimes the DIY spirit calls and you want to leave, for example, birch plywood bed bases or customized details visible. This is where the right surface treatment is key! Although raw wood looks great when freshly installed, it is extremely sensitive to the challenging conditions of a motorhome. Humidity fluctuations, temperature differences and daily use quickly leave their mark. In this article, we will go over why and how to treat wooden surfaces so that they last for years of life and travel.

Why shouldn't you leave raw wood untreated?

A motorhome is a small enclosed space where humidity inevitably rises due to cooking, sleeping and wet equipment. Untreated wood is like a sponge: it absorbs moisture, which can lead to cracking, warping and, in the worst case, mold growth. In addition, it is impossible to keep it clean - even a spilled coffee cup or greasy fingerprint will leave a permanent mark on the unprotected surface.

This is how you treat the raw surface: Step by step 

1. Preparation and sanding 

Before processing, sand the surface lightly (grit 150–180) in the direction of the wood grain. This opens the pores of the wood, so that, for example, strong birch plywood absorbs the preservative evenly. Remember to remove dust carefully - a clean surface guarantees a professional finish. 

2. Choose the right material for your application

• Oil waxes: An excellent choice for birch plywood. It leaves the wood feeling natural, but repels water and dirt.