Recycled plastic and wood composite lumber have become a common replacment for redwood, cedar and treated lumber in many external applications. These materials do not require treatment which can be environmentally harmful, and hold up well to water, sun, insects and salt air.
Plastic lumber is commonly available in three grades: hollow, solid, and structural solid, and is available at most lumberyards and home improvement stores. Download this fact sheet from Build It Green to learn more about recycled plastic and composite lumber and associated benefits over redwood, cedar and treated lumber such as:
