Subtle or bold, classic or contemporary, your siding choice is the first step in creating the perfect look for your home's exterior. With Ply Gem's PreView Siding Sample Program, see a 24 in. sample of the exact color and profile you're considering. Trusted by consumers and contractors alike, Ply Gem Transformations Premium Siding offers a 0.040 in. thickness for added impact resistance. Its full 1/2 in. profile height increases rigidity, so panels hang straighter. An oversized lock mechanism and full-length return ensure a stronger, more secure installation.