Search projects Project type All types Campus Hero School Sustainability topic All topics Energy Natural Materials Reusables Sustainable Construction Waste Management Waste Reduction Material All materials 1/2″ Iron 1/2″ nylon strap 1/4″ Iron 20 oz Eco-bricks 3/8″ Iron 6″ concrete drainage pipe 6″ Drain Tile 6″ x 40″ Metal Chimney Pipes 8″ concrete drainage pipe Aluminum foil Angular sand less than 1/2″ Automobile Bamboo 3″–4″ vitatta Block 6″ Bow Buckets Chicken Coop 3′ x 100′ – 1/2″ Clay slip Coffee Earth Filter fabric 3′ x 300′ Fire Flagstone 8″–12″ Glass bottles Iron #2 Iron #4 Large ladder Newspaper Oxygen Pickup / car tires Piedrín 3/4″ Piedrín 3/8″ Portland Cement Pumice stone 1/2″ Quicklime Rate for latrine Red bricks Reused tires River sand Sawdust Screws Sheet 9′ Sugar sacks Tie wire #12 Truck Truck / Bus Tires Water Waterproof yourself in a bag Wood for posts 1″ x 12″ x 8′ Wood for posts 2″ x 4″ x 12′ Yellow sand for plaster