Fiberglass doors: Fiberglass covers both sides of the door as a veneer. For wood-look doors, the fiberglass skins are molded from real wood. Fiberglass is a blend of glass fibers and resins.

Fiberglass RVs are generally more durable and easier to clean, but they also are more expensive to maintain than aluminum models. Here are the key differences.

The fiberglass would have to be layered by hand until the desired shape is attained. Size A smaller size pool is easier to make and transport as well as install, which keeps costs low.