Pressure treated wood Pros: Easy to work with. Takes stains and waterproofing easily. Cons: Boards can warp and crack. Requires frequent cleaning, resealing and restaining. Price:$ Composite Pros: Comes in a range of colors and textures. Long-lasting if cared for properly. Won't splinter, crack or rot. Cons: Some products look less wood-like than others. Scuffs and scratches easily. Spills can leave stains. Price: $$ PVC Pros: Superior resistance to moisture. Doesn't swell or shrink. Not prone to rot or termites. Easy to clean. Cons: Some products look less wood-like than others. Boards can squeak when walked on. Price:$$-$$$ Cedar or Redwood Pros: Offers natural insect resistance. Weathers to a handsome shade of gray. Easy to work with. Cons: Not available everywhere. Requires frequent maintenance and waterproofing. Price: $$-$$$ Tropical hardwood Pros: Long-lasting if cared for properly. Offers natural resistance to rot and insects. Cons: Quickly dulls cutting blades. Installation is labor-intensive. Requires frequent sanding, resealing and restaining Price: $$$$$
