This dutch door is solid fir construction with solid brass Baldwin hardware, and opens up into the unit's kitchen. The exterior is a light weight, cementitious polymer based coating with a 100% water proof top seal. Exterior walls have polyurethane closed cell expanding foam insulation and vapour barrier. The Vineuve 100 is coming to market on June 1st 2021. Contact us at info@vineuve.ca to sign up for pre order.