Steel Mesh Reinforced Rock Wool Board for National Defence Building
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The Militia Training Base in Changping-Shijingshan, Beijing is a key national defence supporting project. It is designed for regular militia training, comprehensive drills and logistical support. Public civil defence buildings impose stringent requirements on insulation materials in terms of fire classification, structural stability, weather resistance and installation convenience. After comparative evaluation of multiple suppliers, steel mesh reinforced rock wool boards supplied by Langfang Haochen Insulation Materials Co., Ltd were selected as the primary external wall thermal insulation material.
II. Supply Information
Supplier: Langfang Haochen Insulation Materials Co., Ltd
Product: Steel Mesh Reinforced Rock Wool Board (stitched wire rock wool insulation panel)
Specification: 140kg/m³, 1200×600×100mm
Total Supply Quantity: Approximately 7000㎡
Application Area: External wall thermal insulation composite system
III. Advantages of Selected Product
Class A1 Fire Performance, Meeting Fire Regulations for National Defence Buildings
The core material is high-density basalt rock wool with Class A1 non-combustible properties. It delivers stable fire resistance and effectively restrains fire spread, complying with fire acceptance codes for public buildings and national defence works.
Integrated Steel Mesh Structure, Anti-Detachment and High Structural Integrity
The board incorporates a built-in galvanised steel mesh framework tightly bonded with rock wool, offering excellent pull-out resistance. It resolves common defects such as hollowing and sagging seen in ordinary rock wool boards, and is suitable for long-term outdoor use on external walls in northern China.
140kg/m³ High Density, Balancing Thermal Insulation and Structural Rigidity
The 140kg/m³ high-density rock wool features low thermal conductivity and stable insulation performance. It adapts to the cold-winter and hot-summer climate of Beijing and reduces building energy consumption. The rigid board resists breakage during handling and on-site fixing.
Modular Standard Dimensions to Significantly Boost Construction Efficiency
The 1200×600 standard-sized panels have regular dimensions with minimal site cutting. They facilitate integrated rendering and mesh fixing, shortening the construction period and ensuring project delivery on schedule.
IV. Highlights of Project Cooperation
As the original manufacturer, Haochen developed a dedicated supply plan for this project:
✅ Strict control over board density, thickness and steel mesh welding workmanship; test documentation provided for every batch;
✅ Coordinated production scheduling and logistics to deliver the 7000㎡ boards to site in batches on time;
✅ Technical staff provided on-site construction guidance and assisted contractors with detailing of structural joints;
✅ Full set of product certificates and test reports supplied to support smooth fire and final project acceptance.
V. Project Summary
Large quantities of Haochen steel mesh reinforced rock wool boards were adopted for this militia training base project. All technical indicators meet design and regulatory standards. Its thermal insulation, fire resistance and structural safety performance have gained unanimous recognition from the main contractor and supervision team. This project further verifies that Haochen steel mesh reinforced rock wool boards are reliably applicable to high-standard external wall insulation works including national defence infrastructure, public venues and office buildings. It is the preferred insulation material balancing safety and cost-effectiveness.
