Construction Technology
Spray foam and fiberglass can both ______ a building.
Insulate. Insulation slows or eliminates air flow between a building's exterior and interior. This limits temperature fluctuations inside the building.
What material are most I-beams made out of?
Structural steel. Structural steel has a high strength/weight ratio that makes it excellent to use in the construction of enormous structures.
The building material made out of laminated sheets of wood is called:
Plywood. Plywood comes in many grades and is accompanied by letters denoting the quality of the exterior surfaces.