וַיִּ֤בֶן אֶת־היצוע [הַיָּצִ֙יעַ֙] עַל־כָּל־הַבַּ֔יִת חָמֵ֥שׁ אַמּ֖וֹת קֽוֹמָת֑וֹ וַיֶּאֱחֹ֥ז אֶת־הַבַּ֖יִת בַּעֲצֵ֥י אֲרָזִֽים׃ (פ)
또 온 전으로 돌아가며 고가 다섯 규빗 되는 다락방을 건축하되 백향목 들보로 전에 연접하게 하였더라
Mishneh Torah, The Chosen Temple
There is to be no visible wood structure in any part of the Temple compound, only stones or bricks and mortar. Even [temporary] wooden walkways in the Court are not allowed.