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Product Specifications
Introduction
A healthy building envelope requires a balance between water resistance and vapor permeability. Trapped moisture is a leading cause of premature building failure. Jiangsu Jinpeng Fireproof Board Co., Ltd. addresses this through the controlled formulation of our MgO wall components. Our commitment, backed by a 200 million yuan investment, is to provide advanced fireproof materials that actively manage moisture dynamics, ensuring the long-term performance and durability of modern, high-performance wall assemblies.
Key Features
Specification
| Property | Standard | Performance Range |
| Water Vapor Permeance (Perms) | ASTM E96 (Dry Cup) | 5.0−15.0 |
| Water Penetration Resistance | ASTM E331 | Pass (No leak) |
| Fire Classification | Non-Combustible | A1 / Class A |
| Density (Standard) | kg/m3 | 1000−1100 |
| Moisture Resistance | - | High (Sulfate Base) |
| Thickness Tolerance | mm | ±0.2 |
Technical Parameters
Application Fields
- Rain-Screen and Ventilated Facades: Acts as the exterior sheathing behind the air gap.
- Moisture-Managed Wall Assemblies: Used in climates with high moisture drive and where vapor egress is needed.
- High-Performance Residential Homes: Part of passive house and energy-efficient building envelopes.
- Building Retrofits: Applied to existing masonry or frame walls to improve breathability.
- Prefabricated Wall Panels: Integrated into factory-built modular wall systems.
Application Areas
Advantages & Core Features
- Moisture Management: Allows trapped water vapor to dry out, significantly reducing the risk of material rot and mold.
- Bulk Water Protection: Effectively blocks liquid water penetration, functioning as a primary weather barrier.
- Durable Sheathing: Provides structural contribution while maintaining breathability.
- Non-Combustible Safety: Achieves a high fire rating without compromising the wall's ability to dry.
- Energy Efficiency Support: Proper vapor transfer complements insulation effectiveness by keeping the cavity dry.
