Scope: The ICC-ES AC386 establishes the acceptance criteria for fiber-reinforced magnesium oxide (MgO) based sheets designed for interior walls and ceilings, exterior sheathing, and underlayment in construction projects. The criteria ensure that these sheets meet specific performance requirements, making them suitable for various applications.
Key Areas Covered:
Materials:
Specifies the composition and properties of MgO-based sheets, including the type and quantity of fibers, binders, and additives. This ensures the materials are appropriate for different construction uses.
Physical Properties:
Details the testing methods and criteria for evaluating physical properties such as the sheets' dimensions, density, flexural strength, and water resistance.
Fire Resistance:
Addresses the fire resistance requirements, specifying minimum fire ratings for applications like wall and ceiling sheathing.
Durability:
Assesses the durability of the MgO sheets, including their resistance to moisture, mold growth, and other environmental factors, ensuring long-term performance.
Installation:
Provides guidelines for proper installation, covering fastening methods and joint treatment to ensure structural integrity and weather resistance.
Quality Control:
Establishes a quality control program for manufacturers, ensuring consistent compliance with the criteria through regular testing and inspections.
Purpose: Manufacturers use the AC386 criteria to obtain an evaluation report from the ICC Evaluation Service (ICC-ES). This report demonstrates that their MgO-based sheets comply with applicable building codes and standards, verifying their suitability for construction projects. JP group --MagMatrix BMSC 517 new sulfate MGO boards has the full models panels from the exterior wall sheathing to the interior lining board and to the roof sheathing and subfloor sheathing and all is fire rated & structurally integrity and with the most updated BMSC 517 new sulfate MGO board formulation and technology. All of our new sulfate MGO board meets the ICC-ESR evaluation report with the AC386 standard. Warm welcome your nice inquiry and we seek to offer the best quality of the magnesium oxide boards for the market for you.
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