Celect is the product of the future. Celect is the cellular exterior siding manufactured by Royal. When it comes to siding, this is as good as it gets. Celect siding was created to simulate the aesthetics of wood without any of the nasty maintenance requirements. No painting. No mold. No fading. No deterioration. Available in 18 deep rich colors with a Kynar Aquatec coating that provides extreme weather ability. 100% completely recycleable and sustainable exterior product. Unlike any other product available, each row moves seamlessly, no matter the length.