The Smart Thermostat does not fully cover the area left behind by the old thermostat. What can I do? tado° offers a Trim Plate that can be used to cover a larger area of the wall beneath the Smart Thermostat or Extension Kit. It can be ordered / added to the shopping cart via this link. Dimensions: 160 x 160 mm Download Installation Guide TrimPlate-UserGuide.pdf (400 KB) Was this article helpful?