Another change over the years has been in building materials.

The cost of building materials is cut by more than half.

It is also one of the few building materials that look better over time.

It was also a source of building material in earlier times.

As the town grew, so did the need for building materials.

Stone inside and out, their first major building material here.

The stone can also be used as a building material.

Wood has been used as a building material for thousands of years in its natural state.

Various building materials have been used in the construction of the house.

The House itself was to be sold as old building materials and pulled down.