The main outdoor facilities include walkways, railings, chairs, flower stands, and even trash cans.
SPF is the collective name of a group of conifers with similar physical properties of Spruce, Pine, and Fir referred to as SPF. It mainly includes four tree species: White Spruce, Engelmann Spruce, Pine, and AlpineFir.
Treated SPF has been widely used in the United States, Canada, and Japan. Its strength and stability are superior to radiata pine, especially in structural applications, floors, and frameworks.