urea foam insulation
A brick
a building material that starts with the letter z is zebra print
Insulation is a building material. It begins with the letter i.
Urbanite (broken up concrete) is a building material. It begins with the letter u.
A crane
Building materials that start with the letter n:nailsnuts & bolts
Insulation is a building material that starts with I.
A building starting with G is the Guggenheim in New York City.
sealant
brick
mortar
SDIID