What material is used for the interior walls? Steven Harrell May 21, 2020 19:24 The Model Tiny comes standard with beadboard walls that can either be unfinished wood or in white. Related articles What kind of toilet comes with The Model Tiny? What kind of insulation does the Model Tiny have? How To Download The Tiny House Listings App What sizes can I get my Model Tiny in? I'm New To Tiny Houses, Where Do I Start? Comments 0 comments Article is closed for comments.