What plywood is used for skate ramps? - Precision Plywood
How to Build a Small Skateboard Ramp!!! - YouTube
How to Make a $70 DIY Kicker Ramp for Beginners in 2 Hours - YouTube
How to Make a Mini Ramp (DIY Halfpipe) : 12 Steps (with Pictures) - Instructables
Thrasher Presents: How to Build Skateboard Ramps, Halfpipes, Boxes, Bowls and More (Skate My Friend, Skate): Thatcher, Kevin: 9780965727143: Amazon.com: Books
How to Build Skateboard Ramps and Obstacles
Building a Mini Ramp in Your Own Backyard – SkateboardersHQ
How to Make a $100 DIY Skatepark Ramp for Beginners in 2 Hours - YouTube