a family member has just purchased a 1970s home (California shed style) with 4x8 wood siding. The siding has deteriorated over the years due to neglect and many surrounding trees which made a damp environment. There is significant rot and carpenter bee and woodpecker damage.

My questions: Should the siding be removed before replacing it? What would be a good replacement siding? enter image description here

  • 2
    Should the siding be removed before replacing it .... you cannot "replace" something without removing it first ..... do you mean to ask if it is ok to cover the old siding? ..... just think about what could happen over time if you nail a good piece of wood to a rotten piece of wood
    – jsotola
    May 23, 2018 at 2:31
  • Yes, that is what I mean, nailing the new over the old. That is what one contractor has suggested doing. It seems to me that a test sheet should be removed to see what is behind it ie. plywood, insulation, etc. thanks! May 24, 2018 at 3:59
  • did you read the whole comment?
    – jsotola
    May 24, 2018 at 4:05
  • yes, I did. You say remove it all.I'm just saying a first step could be, see what you're dealing with underneath and plan accordingly. May 25, 2018 at 12:40
  • i did not say "remove it all" ... your question was actually unclear .... you asked Should the siding be removed before replacing it? .... there is no mention of checking the fitness of the existing siding .... I simply pointed out the possibility of having new siding come in permanent contact with rotten wood
    – jsotola
    May 26, 2018 at 3:46

1 Answer 1


I would remove the t1-11 siding and replace with hardi-plank along with new facia and soffits...

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