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Product Specifications
Introduction
A healthy wall assembly must be able to breathe. Jiangsu Jinpeng Fireproof Board Co., Ltd. has developed a specialized, vapor-open MGO sheathing, backed by a 200 million yuan investment, to meet the needs of climate zones prone to high humidity or large temperature swings. This product ensures that the non-combustible, structural layer also actively assists in moisture management, critical for preserving the integrity of wood and insulation within the cavity.
Key Features
Specification
| Property | Vapor Metric | Result |
| Permeability (Perm Rating) | ASTM E96 (Procedure A) | ≥10 Perms (Vapor Open) |
| Water Resistance | ASTM E331 | Pass (Resists bulk water penetration) |
| Water Absorption (24h) | % | Controlled Low |
| Fire Classification | A1 / Class A | Non-Combustible |
| Density | kg/m3 | 1000−1150 |
| Standard Thickness | mm | 9,12 |
Technical Parameters
Application Fields
- High-Humidity/Mixed Climates: Where seasonal moisture drives and condensation are common risks.
- Walls with Continuous Exterior Insulation: Allows trapped moisture to escape inward or outward.
- Building Retrofits: Used to upgrade older walls that suffer from moisture issues.
- Rain Screen Assemblies: Provides a structural, vapor-open backup for the facade.
- Any Wall with Organic Components: Protects wood studs and sheathing from rot and mold.
Application Areas
Advantages & Core Features
- Promotes Drying: High perm rating allows construction moisture and vapor condensation to exit the wall cavity.
- Structural and Fire Safe: Provides structural shear capacity and an A1 rating without relying on organic materials.
- Energy Efficiency: Helps maintain the dry performance of insulation materials.
- Mold Prevention: By preventing trapped moisture, it inhibits biological growth within the assembly.
- Non-Corrosive: Sulfate MGO ensures fasteners and steel framing are not compromised.
