your cheapest solution is to use T1-11 siding board.

來源: 於 2025-06-10 12:36:07 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

which is considered proper exterior material by building code. 

For longevity use a piece of 1x6 at the bottom that can be easily replaced.