6 pieces of 2x4, each 1 foot long. The floor is weak

来源: 于 2019-10-13 18:55:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

but I don't want to cut the floor (you have to replace a large piece to have enough strength).

So I just added the 2x4 to carry the weight.