The right materials, design, and construction methods for your custom sauna benches will give you benches that are functional and beautiful. Your sauna construction plans should take the following ideas into consideration before starting on the benches. WHICH MATERIALS SHOULD YOU USE? Cedar is the wood of choice for custom sauna benches, also known as platforms. 1 x 4 or 2 x 4 is a good size lumber to use for sauna bench construction. Any wider and it tends to warp in the constantly changing conditions of a sauna. Any thinner is not practical. Use full lengths of clear knot-free lumber. Don't splice boards together; the joint will never stay…