Wood itself is a composite material (lignan are the fibres, other stuff is effectively resin). Adobe is a fibre-composit (mud and strawa), as is daub-and-wattle plastering.
We've come up with more interesting fibres and resins over the years, but the fundamental concept is ancient and impressively effective.
We've come up with more interesting fibres and resins over the years, but the fundamental concept is ancient and impressively effective.