Modern Grey House Escape

This house is the best house in the village. As an architect, this something that you really proud of. Despite of its good looks, you want to make sure that everything in this modern house is all good. So, you roamed around to check everything. The design is very slick but there is something that you noticed about this house. There is an issue about the door. It won't open properly so you called the engineer for this. However, he is out of town so he can't answer your call. You can't sell the house if the door is like that. But the bigger problem is, you can't get out from this mansion because of that. Even if you are not an engineer, you have to use your logic to fix the door so you can escape. Good luck and have fun!