The sauna door should always be sealed. So that the door does not "leak" heat and affect the ventilation of the sauna. Refrigerator doors have seals for the same reason. Door should always open outwards.桑拿房的门必须始终密封良好,确保热量不会泄漏,同时不影响桑拿房的通风效果。冰箱门采用密封条也是基于同样的原理。此外,桑拿门应始终设计为向外开启。