Hotels and houses can be built from ice in cold climates. Inuit tribes made igloos from ice. Now expensive hotels are built from ice.
Insulation
Insulation is a building material that starts with I.
Insulation is a building material. It begins with the letter i.
granite.hard material
Urbanite is broken up concrete used as a building material.
Granite.
granite
gypsum
GRASS
a building material that starts with the letter z is zebra print
sealant
brick
Tiles