The choice between MGO SIP Panels (Magnesium Oxide Structural Insulated Panels) and OSB SIP Panels (Oriented Strand Board Structural Insulated Panels) hinges primarily on performance requirements, particularly regarding fire and moisture. Both are high-performance building systems, but MGO offers superior non-combustibility and water resistance
Comparison Summary
MGO SIPs use Magnesium Oxide board as the exterior sheathing, which is a naturally non-combustible, mineral-based material. OSB SIPs use Oriented Strand Board (a wood composite) which is combustible.
DEC
2025





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