Trex Easy Care Decking is a wood-plastic composite made primarily from equal parts reclaimed hardwood sawdust and reclaimed/recycled polyethylene plastic. With Trex decking, the plastic shields the wood from the moisture and insect damage, and the wood protects the plastic from UV damage while providing workability,stability, and traction. View the differences between Trex and other types of decking material! Characteristic Trex Wood Plastic No sealants / weatherproofing required X   X Does not splinter X   X No splitting, cracking or warping X   X Undamaged by rot or termites X   X Minimal shrinkage/ swelling from moisture X   X Constructed from reclaimed plastics and hardwoods X   X Slip resistant (wet or dry) X X   National Building Code listing X X   Cuts, fastens, sands and paints easily X X   Low thermal expansion/contraction X X   Excellent paint/stain adhesion X X   Natural UV resistance X X Available at thousands of lumberyards nationwide X X