Normally has a low pitch roof.Should have the metal tags on the outside or information on an interior closet or pantry.Modular: Always has a wooden underside.

Wood structural panel roof sheathing exposed to the underside may be of interior type bonded with exterior glue, identified as Exposure 1.

Also since you said in that climate shade is not essential I have used sunshade fabric on tracks attach the underside of the top of a wood pergola type structure with a way to pull the sun shade material out on the tracks so that you can have it shaded or open. 

Dont ask me how I know,,,but,,,its sharp and likes to punch holes in your under side of your forearm. 

Poke your head in the attic with a flashlight and look for water stains on the underside of the decking.

To increase the life of the compressor, the underside of the refer should be cleaned out on a regular basis.

He fixed some dry rot around the toilet, but didn't check the underside carefully enough (from the crawl space) and left a small spot of mold.

So far we've taken all the wood off the top (underside) of the porch and replaced it with tongue and grove pine and replaced the single ugly exterior light with 3 brushed steel pot lights attached to a dimmer.

A different person did the walk-through with her and didn't mention anything about the carpet needing replacing or a pet fee.They sent pictures of the underside of the carpet after they had pulled it up and there are numerous stains of various sizes.

My wife sent me a photo of the underside of the carpet he flipped, there wasn't many stains, you could see where it was shampooed for puppy accidents (a ring of the spot).