Noun:Shantytown

a usually poor town or section of a town consisting mostly of shacks.

https://www.merriam-webster.com/dictionary/shantytown

I encountered this word in You in America.

“You felt safe in his arms,the same safeness you felt back home,in the shanty house of zinc”

I was not really sure what this meant.Zinc and house do not go together often.The definition and location make sense when you add the zinc.