The main difference between EPS cement sandwich boards and fiber cement boards lies in their composition, properties, and manufacturing processes. Here's a comparison of the two types of boards:
Composition:
EPS Cement Sandwich Board: EPS (Expanded Polystyrene) cement sandwich boards consist of a core made of EPS foam sandwiched between two outer layers of cementitious materials. The EPS core provides insulation, while the cementitious layers offer strength, durability, and fire resistance.
Fiber Cement Board: Fiber cement boards are composed of a mixture of cement, cellulose fibers (usually sourced from wood pulp), sand, and other additives. These boards may also contain reinforcement materials such as fiberglass for added strength and flexibility.
Insulation Properties:
EPS Cement Sandwich Board: EPS cement sandwich boards provide excellent thermal insulation due to the EPS foam core, which helps regulate indoor temperatures and reduce heating and cooling costs.
Fiber Cement Board: Fiber cement boards have minimal inherent insulation properties and do not offer significant thermal insulation. They are primarily used for their durability, fire resistance, and resistance to moisture and pests.
Strength and Durability:
EPS Cement Sandwich Board: EPS cement sandwich boards have good structural strength and durability, thanks to the combination of EPS foam core and cementitious outer layers. They can withstand structural loads, impacts, and environmental factors.
Fiber Cement Board: Fiber cement boards are known for their strength, durability, and resistance to rot, decay, and pests. They are often used in exterior cladding, siding, and roofing applications where durability is essential.
Weight:
EPS Cement Sandwich Board: EPS cement sandwich boards are lightweight compared to fiber cement boards, making them easier to handle and install.
Fiber Cement Board: Fiber cement boards are denser and heavier than EPS cement sandwich boards, requiring more effort and manpower for installation.
Applications:
EPS Cement Sandwich Board: EPS cement sandwich boards are commonly used in interior and exterior wall systems, partitions, ceilings, and roofing applications where insulation and fire resistance are important.
Fiber Cement Board: Fiber cement boards are widely used in exterior cladding, siding, roofing, and trim applications, as well as in interior wall and ceiling systems where moisture resistance and durability are required.
Conclusion
While both EPS cement sandwich boards and fiber cement boards offer unique advantages and applications, their composition, properties, and intended uses differ. EPS cement sandwich boards excel in thermal insulation and lightweight construction, while fiber cement boards are valued for their durability, fire resistance, and moisture resistance. The choice between the two depends on specific project requirements and performance criteria.