Which Is Better, Polyurethane Insulation Board Or Extruded Board

1. Insulation effect: Polyurethane insulation board is better than extruded board.
2. Cold and heat resistance: Polyurethane insulation board is better.
3. Water absorption rate: The extruded board is lower than the polyurethane insulation board.
4. Service life: Polyurethane insulation board has a longer lifespan.
5. Flame retardant performance: Polyurethane insulation board is better than extruded board.