Warping means to become twisted or bent out of shape, mostly resulting from the effects of dampness or heat. Only wood decking was available in the past, and you had to use one species of wood for a given plank of timber. With the advent of composite timber, there are lots of options for decking. Since this is a relatively new concept, you may hesitate and wonder, does composite decking warp? I will clear the air on this and enlighten you on composite decking ABCs as