How is a fiberglass boat better than a wooden one?
I would think a fiberglass boat is better than a wooden boat because a wooden one can rot and would be hevy to move weres the fiberglass boat wont rot and is light so would be easy to move.
Wood is a better insulator than glass yet fiberglass is commonly used as an insulator in wooden buildings why?
Depending on the requirements or applications that the flagpole is better fiberglass may be better. In general, fiberglass flagpoles and any object made of fiberglass will generally be more weather resistant, weigh less, and have the potential to be stronger then metal objects, but at the same time, these fiberglass objects may cost much more than the same objects made of metal.
HDPE is a plastic that is lower density than polyethylene, yet has a high tensile strength. So, combined with fiberglass it is good for boat building. Boats are not built just out of fiberglass, but of fiberglass and a plastic resin. Below is a link that explains HDPE better, and it's most popular uses. Source(s): http://en.wikipedia.org/wiki/HDPE