[A structure] in [material],
in [climate and exposure]. The
realistic deterioration
mechanisms, the maintenance
that extends life, and the year
problems typically appear.

How Long Will It Last Here?

Deterioration mechanisms and the year they show up.

Prompt

For [a structure or element] built from [material] in [describe the climate and exposure], explain the realistic deterioration mechanisms, the maintenance that actually extends life, and the year problems typically appear.