These uPVC doors are UV resistant. This means no matter whatever is the brightness of the sun outside; your doors are absolutely safe from fading away from their colour! The other materials used for doors like wood and aluminium may give up under extreme conditions, but never will your favourite uPVC doors! The wooden doors will for sure fall prey to rotting and distortion of shape during heavy rainy conditions! Also, the termite and fungal attacks might trouble you as much with wooden doors