We're most likely looking to use blown-in fiberglass insulation to achieve R-30.Thanks!

We put a fiberglass insert around a tub in a similiar bathroom (not in the tub) and left the rest of the tile but we did not have nearly so much tile. 

It is currently being management by property management and I did not have any role in finding this tenant or involved in any manner regarding these repairs.Several of the repair requests are due to electrical problems but it also ranges in problems with disposal, add freon to air-conditioning, Porch fiberglass panels blew off in high winds, etc..    

You just cut the sides down to size with a hacksaw, then stick in the corners and put in the screen -- I got a whole roll of fiberglass screen and the kit comes with the spline.

They have switched to using Fiber glass rebar versus metal.

Another thing, be careful with letting the put in a portable stool if you have a plastic/fiberglass tub.

I'm going to guess that this is some sort of "plastic" tub material, for example acrylic or fiberglass.

If you need to replace exterior doors, use fiberglass instead of steel.

Aloha,Looks like a fiberglass or plastic shower base, non-repairable.

@Peter MacKercher Are you referring to just tiling the walls with a tub or fiberglass pan below?