Porous Pave™ offers exactly what you need when working on Pathway projects. Made from recycled tires, stone aggregate and proprietary binding agents, Porous Pave is Eco-friendly, promotes healthy plant and tree vegetation, offers little or no winter maintenance, and resistant to salt water, gasoline, motor oil and many other hostile materials. Porous Pave won't freeze or crack, and is UV Ray resistant too. It works extremely well in high grades - up to 30º. Easy under foot, making walking, hiking, biking, less stressful on the joints. Porous Pave is perfect for tough natural landscapes and can help protect them too, with its NFPA Fire rating-Class C.