Insulation is a building material. It begins with the letter i.
Some building materials that start with B are bricks and boards.
Some building materials that start with the letter T are tiles, travertine, and tar.
GRASS
a building material that starts with the letter z is zebra print
· keys & locks
Granite
· urbanite (broken up concrete)
· urbanite (broken up concrete)
Insulation is a building material that starts with I.
Some building materials that start with B are bricks and boards.
granite.hard material
Urbanite is broken up concrete used as a building material.
Some building materials that start with the letter T are tiles, travertine, and tar.
granite
Granite.
GRASS
gypsum