21. The majority of buildings have wooden roofs, generally of a simple truss, tie beam or king post form. 22. A section of the tie beam between the queen posts may be removed to create a hammerbeam roof. 23. Various members of the timber roof trusses project through the lining, including the tie beams and scissor braces. 24. The king post is normally under tension, and requires quite sophisticated joints with the tie beam and principal rafters. 25. The first phase of restoration began in 1962 where they restored the sail-cross, cap, tie beams , railing and capstan wheel. 26. It consists of a pitched gable roof erected over four central column and braced by two layers of tie beams . 27. Frequently struts are found in roof framing from either a tie beam or a king post to a principal rafter. 28. The arcade does not reach the ridge of the roof, but ends in the upper tie beams of the open timber roof. 29. The ceiling follows the line of the rafters giving greater height to the internal space which is punctuated by two large tie beams . 30. During the Heian period temples were built using only non-penetrating tie beams ( ) made to fit around columns and pillars and nailed.
