What kind of rock is best for bouldering?

What kind of rock is best for bouldering?

Daniel Wade (Rock Climbing Manager) gives expert video advice on: What is 'bouldering' in rock climbing?; What kind of equipment do I need for bouldering?; What kind of rock is best for bouldering? and more...

The best rock for bouldering is probably steep, but rock-type-wise it doesn't really matter. I've climbed on granite, sandstone, it depends on what your local rock is.