Rock Wool Large Board Panel for External Wall

1. Ultimate Fire Safety (Class A1)

As a volcanic rock-based material, these boards are inherently non-combustible. In an external wall system, they act as a passive fire barrier that can withstand temperatures over 1000℃. They do not ignite, spread flames, or release toxic smoke, which is critical for protecting the building's structure and ensuring the safety of occupants in high-rise constructions.

2. High Thermal Resistance and Energy Efficiency

Rock wool large boards have an exceptionally low thermal conductivity. This provides a continuous "thermal blanket" around the building, significantly reducing heat loss in winter and heat gain in summer. This results in substantial long-term savings on heating and cooling costs while reducing the building's carbon footprint.

3. "Breathable" Wall Construction

Unlike plastic foam insulations (like EPS or XPS), rock wool is highly vapor-permeable. This allows moisture from inside the building to pass through the wall assembly rather than getting trapped. By preventing interstitial condensation, the boards protect the wall from mold growth and structural rot, ensuring a healthier indoor air quality and a longer building lifespan.

4. Superior Acoustic Shielding

The dense, multi-directional fiber structure of rock wool is an excellent acoustic dampener. When installed on external walls, it significantly reduces the transmission of outdoor noise—such as traffic, sirens, and wind—into the building. This makes it an ideal choice for residential and office buildings located in noisy urban environments.

5. Exceptional Dimensional Stability

External walls undergo extreme temperature fluctuations. Rock wool large boards are dimensionally stable, meaning they do not shrink, expand, or warp over time. This stability ensures that the joints between boards remain tight, preventing "thermal bridges" and reducing the risk of cracks appearing in the exterior render or finish layer over the decades.

About Us

• Leading Rock Wool Manufacturer with Proven Industry Expertise
  Founded in 2009, Anhui Liluan Technology Co., Ltd. stands as a trusted name in mineral wool insulation manufacturing. We specialize in producing high-performance rock wool boards, blankets, and pipe insulation materials widely used in construction, industrial, and agricultural applications. With over 15 years of focused development, Liluan combines advanced manufacturing knowledge with strict quality standards, supporting global partners in achieving better thermal, fire, and sound performance.
  
• Fully Integrated Production Lines Backed by Stringent Quality Control
  Our production base operates cutting-edge automated lines designed to maximize efficiency and ensure uniform quality. Each stage of the process—from raw material selection to final product packaging—is subject to rigorous inspections, meeting ISO 9001 and CE certification standards. Our integrated systems enable large-volume, custom-dimension production that adapts seamlessly to specific project requirements, ensuring both product performance and cost-efficiency.
• Scalable Output with Global Market Reach
  With an annual output capacity sufficient to serve large-scale international contracts, Liluan is well-positioned to support long-term industrial supply chains. Our export network spans across Europe, the Middle East, Southeast Asia, and the Americas, reflecting a proven ability to deliver quality consistently and on time. Customers rely on our flexible logistics and responsive support team to simplify procurement and ensure reliability in every delivery.
• Commitment to Sustainable Manufacturing and Customer-Centric Service
  Sustainability is embedded in our manufacturing processes—from energy-efficient kilns to the use of recyclable packaging. Our products enhance building insulation performance, contributing to energy conservation and carbon emission reduction. We offer personalized pre-sale consultation, technical support, and post-sale assistance, aligning every project with client goals. Whether you are sourcing for infrastructure, OEM supply, or retail channels, Liluan is your capable and responsible partner in insulation solutions.FAQ
  1. Who are we?
  Anhui Liluan Technology Co., Ltd. is a specialized manufacturer of high-quality rock wool insulation materials, established in 2009, with a focus on delivering reliable solutions for various industries.
  
  2. How can we guarantee quality?
  Our advanced automated production lines, comprehensive quality control systems, and adherence to international standards ensure consistent and superior product quality.
  
  3. What can you buy from us?
  We offer a diverse range of rock wool products, including boards, blankets, pipes, and customized insulation solutions tailored to specific applications.
  
  4. Why should you buy from us and not from other suppliers?
  Our commitment to quality, sustainability, and customer satisfaction, combined with our extensive industry experience and advanced manufacturing capabilities, positions us as a trusted partner in insulation solutions.
  
  5. What services can we provide?
  We provide comprehensive services, including product consultation, customized design, efficient production, quality assurance, and reliable logistics support to ensure client success.