Use wood, it's the cheapest and the safest way. If you build your halfpipe properly it should last for years. Cover it up in the winter though. Try http://www.buildhalfpipes.com/ They seem to know how to build them the right way.
my house
Below is a link to a number of video tutorials on how to build a skateboard .
try Zumiez.com or build one your self
first you need to put the tail of the board on a halfpipe. Then you need to put your back foot on the tail and your front foot where the screws are. Then leen forward puting your front foot down.
how high are the walls at the 2014 halfpipe
Yes, i do want to build a ramp for skateboarding
first you go to town square. then you get a skateboard (its not free) you click something on the bottom right. between the notepad and the cellphone. you click on the question marks you will see the skateboard. hope this helps!
Shaun White of the United States won the gold medal in men's halfpipe. Ayumu Hirano of Japan won the silver medal in men's halfpipe. Scott James of Australia won the bronze medal in men's halfpipe.
Chloe Kim of the United States won the gold medal in women's halfpipe. Liu Jiayu of China won the silver medal in women's halfpipe. Arielle Gold of the United States won the bronze medal in women's halfpipe.
Get a book for building skateboard ramps, and follow the directions.
Well you buy a kit to do it and kits cost a lot