Insulation? What did a building need such a thing for when a fire could be built in a hearth for folks to sit by? A good fire with some strong walls was all a building needed, even a cabin. It puzzled Tyrion a little but their worlds were very different. He knew that. He smiled politely and drank from the little metal cup.
"I would be honoured, Sonya" he replied, raising his cup and nodding. "Perhaps one day I can show you my world too" he added. Although he was going to have to be more careful after the last time he took someone through. He wasn't going back to The Wall, that was certain. "I can show you Kings Landing" he added, with an impish smile, remembering his walks along the tall walls, looking out over the open sea.