Many demolition companies use the term deconstruction in their name when most of their work and expertise is actually demolition. Demolition is destruction. Dumpsters are filled with destroyed materials, and hauled off to the landfill. It is the standard practice.
We have taken asphalt roof shingles to be used in roadways. Old lumber has been used for a wetlands walkway in a community park, and also to build structures for the big cats at the Carolina Tiger Rescue—those cats go through some scratching posts!