Its ceiling is made with none-ita (thin wooden board for roofing) boarded up with white bamboo at the front and the left of toko and designed as Kesho-yaneura (the underside of the roof is visible because no ceiling has been installed. Occasionally, the rough underside of the roof may be finished with carefully planed boards or sheathing placed to follow the actual roof slope) showing bamboo balk.
天井は、床のすぐ前と左手はノネ板（屋根葺用の薄板）に白竹打ち上げ、右手前の躪口を入ってすぐ上は、竹の垂木を見せた化粧屋根裏となっている。