Fiberglass exterior doors are known for their strength, durability and superior performance across a wide range of temperatures. Used for decades to build boats, fiberglass has performed reliably in the unforgiving sea environment. Fiberglass doors became available fairly recently, thanks to new manufacturing techniques that make fiberglass the material of choice for exterior doors.
Extremely strong and resistant to damage
Extremely durable, won’t decay even if paint is scraped off
Little expansion/contraction with temperature changes
Variety of factory-painted colors, yet paintable as well
Five times the insulation value of wood
Typically a bit more expensive than doors made out of steel
Fiberglass has few downsides. It is currently the material of choice for high durability exterior doors. Rayco Door and Window offers fiberglass exterior doors from leading door manufacturers, including: