Since plastic doesn’t biodegrade, why aren’t more houses built with plastic instead of wood parts?

Question

Since plastic doesn’t biodegrade, why aren’t more houses built with plastic instead of wood parts?

In: Engineering

Answer 1

If it’s kept dry, wood will last centuries. And actually gets stronger with age.
Plastic would be worse for the environment, a lot more expensive, harder to work with and doesn’t perform very well structurally. There’s really no reason it would ever be used for that purpose.