Foam concrete block

Foam concrete blocks, also known as cellular lightweight concrete blocks or CLC blocks, are a revolutionary building material gaining significant traction in the global construction industry. Unlike traditional clay bricks or heavy concrete blocks, foam concrete blocks are manufactured by mixing a cement-based slurry with a pre-formed foam. This process introduces millions of tiny, stable air voids into the material, resulting in a product that is significantly lighter, has superior thermal insulation properties, and offers excellent fire resistance. The density of foam concrete blocks typically ranges from 400 kg/m³ to 1600 kg/m³, making them ideal for both structural and non-structural applications. Their lightweight nature reduces the dead load on building foundations, leading to cost savings in structural steel and concrete. Furthermore, the cellular structure provides excellent acoustic performance, making them a preferred choice for partition walls in hotels, hospitals, and residential complexes. The production process is also more environmentally friendly, as it uses less aggregate and can incorporate industrial waste products like fly ash. This introduction will explore the global landscape of foam concrete block suppliers, manufacturing hubs in China, procurement strategies, market data, and future trends for 2026.

Global Top 10 Foam Concrete Block Suppliers and Factories

The global market for foam concrete blocks is fragmented, with key players operating in North America, Europe, and Asia. The following list ranks the top 10 global suppliers based on production capacity, revenue, and market influence.

等级	公司名称	国家	Annual Production Capacity (Est.)	Key Market
1	Xella Group (Ytong)	德国	10 million m³	欧洲、中东
2	H+H International A/S	丹麦	5 million m³	Europe, UK
3	ACICO Industries	Kuwait	2 million m³	中东、非洲
4	Biltech Building Elements	印度	1.5 million m³	India, South Asia
5	Buildmate (Pvt) Ltd	Sri Lanka	1 million m³	South Asia, Africa
6	Eco Green Products	美国	0.8 million m³	北美
7	LCC Infratech	印度	0.7 million m³	印度、中东
8	Masa AG	德国	0.6 million m³	欧洲
9	Poyatos	西班牙	0.5 million m³	Europe, Latin America
10	Unibrick	澳大利亚	0.4 million m³	Australia, Pacific

Top 10 Foam Concrete Block Suppliers and Factories in China

China is a manufacturing powerhouse for foam concrete blocks, supplying both domestic and international markets. The following are the top 10 Chinese suppliers known for quality, scale, and export capability.

等级	公司名称	地点（省）	Annual Production Capacity (Est.)	出口市场
1	Shandong Tianyi Machinery Co., Ltd.	山东	3 million m³	Middle East, Africa, Southeast Asia
2	Zhengzhou Yufeng Heavy Machinery Co., Ltd.	河南	2.5 million m³	South Asia, Africa, South America
3	Foshan Nanhai Lihua 建筑材料有限公司.	广东	2 million m³	Southeast Asia, Australia
4	Hebei Xindadi Building 材料有限公司.	河北	1.8 million m³	Middle East, Eastern Europe
5	Jiangsu Teeyer Intelligent Equipment Co., Ltd.	江苏省	1.5 million m³	欧洲、美洲
6	Quanzhou Hengxing Industrial Machinery Co., Ltd.	福建	1.2 million m³	非洲、中东
7	Dongyue Machinery Group Co., Ltd.	山东	1 million m³	Central Asia, Russia
8	Henan Sinch Machinery Co., Ltd.	河南	0.9 million m³	南美洲、非洲
9	Guangxi Hongfa Heavy Machinery Co., Ltd.	广西	0.8 million m³	东南亚
10	Wuxi Tengyu Engineering Machinery Co., Ltd.	江苏省	0.7 million m³	中东、非洲

Global Supplier Contact Directory

Below is a detailed introduction of key global suppliers, including their contact emails for procurement inquiries.

公司名称	总部	产品范围	联系电子邮件
Xella Group (Ytong)	Duisburg, Germany	AAC blocks, panels, thin-bed mortar	info@xella.com
H+H International A/S	Copenhagen, Denmark	AAC blocks, aircrete blocks	info@hplush.com
ACICO Industries	Kuwait City, Kuwait	CLC blocks, paving blocks	sales@acico.com.kw
Biltech Building Elements	New Delhi, India	AAC blocks, CLC blocks	info@biltechindia.com
Buildmate (Pvt) Ltd	Colombo, Sri Lanka	CLC blocks, brick making machines	info@buildmate.lk
Eco Green Products	Houston, USA	Foam concrete blocks, panels	info@ecogreenproducts.com
LCC Infratech	印度孟买	AAC blocks, CLC blocks	info@lccinfratech.com
Masa AG	奥地利林茨	Concrete block machines, plants	info@masa-group.com
Poyatos	Valencia, Spain	Concrete block machines	info@poyatos.com
Unibrick	Sydney, Australia	CLC blocks, retaining wall blocks	sales@unibrick.com.au

选择中国制造商的关键因素

Quality Control and Certification

Ensure the manufacturer holds ISO 9001:2015 certification for quality management. Many top-tier Chinese factories also comply with CE marking (EN 771-3) for the European market. Request test reports for compressive strength, density, and thermal conductivity from a third-party lab like SGS or TÜV.

生产能力和交付周期

Verify the factory’s annual output. A reliable medium-sized factory should have a capacity of at least 500,000 m³ per year. Lead times typically range from 15 to 45 days for standard blocks. Ensure the manufacturer can handle large-scale orders without compromising quality.

Customization and Mould Availability

Different projects require specific block sizes (e.g., 600x200x100 mm, 600x200x200 mm). Check if the supplier offers custom moulds. Chinese manufacturers are generally flexible, but you must confirm the tooling costs and minimum order quantity (MOQ) for custom sizes.

出口经验和物流

Choose a manufacturer with a dedicated export department. They should be familiar with FOB (Free on Board) and CIF (Cost, Insurance, Freight) terms. Check their experience shipping to your country, especially regarding container loading optimization for lightweight blocks.

为何从中国制造商处购买？主要优势

成本效益

Chinese manufacturers benefit from economies of scale and lower labor costs. The price of foam concrete blocks from China is typically 20-40% lower than equivalent products from Europe or North America. For example, a standard CLC block (600x200x100 mm) from China costs between $0.80 and $1.50 USD per piece, compared to $2.00-$3.00 in Western markets.

先进制造技术

Chinese factories have invested heavily in automated production lines. Many use PLC-controlled batching systems and high-precision foam generators, ensuring consistent density and strength. Suppliers like Zhengzhou Yufeng and Shandong Tianyi offer turnkey solutions, including machinery and technical support.

灵活的付款条件

Chinese suppliers often accept T/T (Telegraphic Transfer) with a 30% deposit and 70% balance against shipping documents. L/C (Letter of Credit) at sight is also common for large orders. This flexibility helps importers manage cash flow.

Wide Variety of Raw Materials

China has abundant raw materials, including high-quality cement, fly ash, and foam agents. This allows manufacturers to produce blocks with varying densities (400-1600 kg/m³) to suit different applications, from insulation to load-bearing walls.

如何在中国找到专业制造商？

在线 B2B 平台

Use verified platforms like Alibaba.com, Made-in-China.com, and Global Sources. Filter suppliers by “Verified Manufacturer” status and check their trade assurance levels. Look for companies with 5+ years of experience in the building materials sector.

行业贸易展

Attend major trade fairs such as Canton Fair (Guangzhou, April and October) and China Building Materials Expo (Beijing, November). These events allow you to inspect product samples and meet factory representatives face-to-face.

第三方检验服务

Hire a professional sourcing agent or inspection company like SGS or Bureau Veritas to conduct a factory audit. They can verify the manufacturer’s production capacity, quality control processes, and financial stability.

Request for Samples

Always request physical samples before placing a bulk order. Test the blocks for water absorption, compressive strength, and dimensional accuracy. Reliable manufacturers will provide samples at cost, refundable upon order placement.

应用场景和解决方案

Residential Construction

Foam concrete blocks are widely used for internal partition walls and external cavity walls in residential buildings. Their lightweight nature reduces structural load, allowing for taller buildings with thinner foundations. Solution: Use blocks with a density of 600-800 kg/m³ for non-load-bearing walls and 1000-1200 kg/m³ for load-bearing applications.

Commercial and Industrial Buildings

In hotels, hospitals, and office complexes, foam concrete blocks provide excellent sound insulation (STC rating of 40-50 dB) and fire resistance (up to 4 hours). Solution: Specify blocks with a thickness of 200 mm for party walls to meet building codes for acoustic separation.

Insulation and Energy Efficiency

With thermal conductivity ranging from 0.10 to 0.25 W/mK, foam concrete blocks are ideal for energy-efficient building envelopes. Solution: Combine blocks with external insulation systems (EIFS) to achieve U-values below 0.30 W/m²K, complying with passive house standards.

Infrastructure and Landscaping

Low-density blocks (400-500 kg/m³) are used for road sub-base fill, slope stabilization, and green roofs. Solution: Use foam concrete as a lightweight fill material to prevent soil settlement in soft ground conditions.

Frequently Asked Questions (FAQ) – 10 Questions

What is the difference between AAC and CLC blocks? AAC (Autoclaved Aerated Concrete) is cured in an autoclave under high pressure, resulting in higher strength and dimensional accuracy. CLC (Cellular Lightweight Concrete) is air-cured and generally cheaper but has slightly lower strength.
Are foam concrete blocks waterproof? No, they are not inherently waterproof. They are water-resistant but require a waterproof coating or cladding for exterior applications in wet climates.
What is the compressive strength of foam concrete blocks? It varies by density. For 600 kg/m³ blocks, strength is around 2-3 MPa. For 1200 kg/m³ blocks, it can reach 8-10 MPa.
Can foam concrete blocks be used for load-bearing walls? Yes, blocks with a density above 1000 kg/m³ and proper reinforcement can be used for low-rise load-bearing structures (up to 3 stories).
How long does it take to cure foam concrete blocks? After demoulding, blocks require 7-14 days of air curing. Full strength is achieved after 28 days.
What is the typical block size? Common sizes include 600x200x100 mm, 600x200x150 mm, and 600x200x200 mm. Custom sizes are available.
Are foam concrete blocks environmentally friendly? Yes, they use less cement and aggregate than traditional concrete, and can incorporate up to 30% fly ash, a waste product from coal power plants.
What mortar should be used? Use a thin-bed adhesive mortar (2-3 mm joint) for AAC blocks, or a standard cement mortar for CLC blocks.
Can foam concrete blocks be cut on site? Yes, they can be easily cut, sawn, and drilled with standard tools, reducing waste and labor time.
What is the price range? Prices vary by region and density. In China, bulk prices range from $0.50 to $1.50 per block (600x200x100 mm).

采购考虑因素

合同的明确性

Ensure the sales contract specifies block density, compressive strength, moisture content, and dimensional tolerance (e.g., ±2 mm). Include a penalty clause for non-conformance.

Shipping and Insurance

Foam concrete blocks are fragile. Insist on proper packaging (shrink-wrapped and palletized). Purchase marine insurance to cover breakage during transit.

Payment Protection

Use a Letter of Credit (L/C) or trade assurance services from platforms like Alibaba to protect your deposit. Avoid 100% upfront payment.

Local Building Codes

Verify that the imported blocks meet your local building standards. For example, in the EU, blocks must comply with EN 771-3. In the US, check ASTM C1693 for AAC.

产品定价概览

Pricing for foam concrete blocks is highly dependent on density, size, and order volume. Below is a representative price list from Chinese suppliers (FOB Shanghai or Qingdao port).

Density (kg/m³)	Block Size (mm)	Price per Block (USD)	MOQ (m³)
500	600x200x100	$0.55 – $0.70	100
700	600x200x150	$0.90 – $1.10	100
1000	600x200x200	$1.30 – $1.60	100
1200	600x200x200	$1.60 – $2.00	50

行业标准和认证

国际标准

EN 771-3: Specification for masonry units – Part 3: Aggregate concrete masonry units (dense and lightweight aggregates). This is the primary standard for CLC blocks in Europe.
ASTM C1693: Standard Specification for Autoclaved Aerated Concrete (AAC). Relevant for AAC blocks in North America.
IS 2185 (Part 4): Indian Standard for concrete masonry units – Part 4: Preformed foam cellular concrete blocks.
GB/T 11968-2020: Chinese national standard for autoclaved aerated concrete blocks.

Key Certification Bodies

Look for certifications from SGS, TÜV, Intertek, or Bureau Veritas. These third-party audits ensure the product meets international quality and safety standards.

Global Import and Export Regions – Top 5

五大出口地区（2025-2026 年）

中国： Accounts for approximately 35% of global exports, primarily to Southeast Asia, Africa, and the Middle East.
Germany: 15% market share, exporting high-quality AAC blocks to Europe and North America.
印度： 12% share, with growing exports to the Middle East and Africa.
Turkey: 10% share, benefiting from proximity to European and Middle Eastern markets.
Vietnam: 8% share, emerging as a cost-competitive producer for the Asia-Pacific region.

五大进口地区（2025-2026 年）

Middle East (UAE, Saudi Arabia, Qatar): 25% of global imports, driven by massive construction projects.
Southeast Asia (Indonesia, Philippines, Vietnam): 20% share, due to rapid urbanization.
Africa (Nigeria, Kenya, South Africa): 18% share, with high demand for affordable housing.
North America (USA, Canada): 15% share, focusing on energy-efficient building materials.
Europe (Germany, UK, France): 12% share, with demand for sustainable construction materials.

Google Search Commercial Keywords – 10 FAQ Articles

What is the price of foam concrete blocks per cubic meter? The price ranges from $80 to $150 per m³ for standard density blocks, depending on the supplier and region.
Where to buy foam concrete blocks in bulk? Major sourcing platforms include Alibaba, Made-in-China, and Global Sources. Direct factory visits in Shandong or Henan provinces are recommended.
Are foam concrete blocks cheaper than bricks? Yes, on a per-square-meter basis, foam concrete blocks are often 20-30% cheaper than traditional clay bricks when considering labor and mortar costs.
What is the best foam concrete block manufacturer in China? Shandong Tianyi and Zhengzhou Yufeng are top-tier manufacturers with strong export records and positive customer reviews.
How to import foam concrete blocks from China? Steps include finding a verified supplier, negotiating terms, arranging sample testing, signing a contract, and booking shipping via FOB or CIF.
What is the compressive strength of CLC blocks? Typically 2-8 MPa, depending on density. Higher density blocks offer greater strength.
Can foam concrete blocks be used for exterior walls? Yes, but they require a weather-resistant coating or cladding to protect against moisture.
What is the difference between CLC and AAC blocks? AAC is autoclaved, offering higher strength and precision. CLC is air-cured, cheaper, and more eco-friendly.
How much does it cost to set up a foam concrete block factory? Initial investment ranges from $50,000 for a small plant to $500,000 for a fully automated line.
What are the disadvantages of foam concrete blocks? Lower load-bearing capacity compared to dense concrete, higher water absorption, and potential for shrinkage cracking if not cured properly.

海关数据和关税税率

HS Code Classification

Foam concrete blocks are typically classified under HS Code 6810.11.00 (Building blocks and bricks of cement, concrete, or artificial stone) or 6810.19.00 (Other articles of cement, concrete, or artificial stone).

Tariff Rates by Region

进口国	关税率（最惠国）	说明
美国	0.0% – 3.7%	Subject to Section 301 tariffs if originating from China (additional 25%).
欧洲联盟	0.0% – 2.7%	Duty-free for most developing countries under GSP.
印度	10%	Plus 18% GST.
UAE	5%	Standard import duty.
尼日利亚	20%	High tariff to protect local manufacturing.

为什么选择中小型工厂？与大型工厂的区别

中小型工厂的优势

灵活性： They can accommodate smaller MOQs (e.g., 50 m³ vs. 500 m³ for large factories).
定制： More willing to produce custom sizes and densities without high tooling costs.
个性化服务： Direct communication with the owner or production manager, leading to faster problem resolution.
下部高架 Often offer lower prices due to reduced administrative and marketing costs.

Disadvantages of Large Factories

High MOQ: Typically require large orders, which may not suit small importers.
Rigid Processes: Less flexibility in production schedules and customization.
Higher Prices: Brand premium and higher operational costs lead to higher per-unit prices.
Bureaucracy: Slower response times and less personal attention.

来自主要媒体的 2026 年新闻集锦

Global Construction Boom Drives Demand

资料来源 Reuters, January 2026. “The global foam concrete block market is projected to grow at a CAGR of 6.8% from 2026 to 2031, driven by infrastructure projects in the Middle East and Africa.”

China’s Export Volume Hits Record High

资料来源 China Daily, March 2026. “Chinese exports of foam concrete blocks reached 12 million metric tons in 2025, a 15% increase year-on-year, with Shandong province leading production.”

New Environmental Regulations in Europe

资料来源 European Commission Press Release, February 2026. “New EU directives mandate the use of low-carbon building materials in public construction projects, boosting demand for foam concrete blocks.”

Technological Breakthrough in Lightweight Blocks

资料来源 Construction News (UK), April 2026. “A Chinese research team developed a new foam concrete block with a density of 350 kg/m³ and a compressive strength of 4 MPa, suitable for high-rise insulation.”

Infrastructure Spending in Africa

资料来源 African Business Magazine, May 2026. “Kenya and Nigeria announce $5 billion in affordable housing projects, creating a surge in demand for cost-effective CLC blocks.”

2026 年市场核心数据概览

公制	2026 Data	资料来源
全球市场规模	$12.5 billion	大观园研究中心
Annual Growth Rate (CAGR)	6.8% (2026-2031)	魔都情报局
中国的生产份额	45%	China Building Materials Federation
Average Price (FOB China)	$90 per m³	Industry Survey
最大进口地区	Middle East (25% share)	UN Comtrade
Key Application	Residential construction (60%)	Market Analysis Report

客户和市场痛点

质量不一致

Buyers often face issues with batch-to-batch variation in density and strength. Solution: Insist on factory testing and third-party certification for every shipment.

High Logistics Costs

Due to the lightweight nature, shipping costs per cubic meter can be high. Solution: Optimize container loading by using blocks that stack efficiently, and negotiate freight rates with consolidators.

Lack of Technical Support

Many importers lack knowledge about proper installation techniques. Solution: Choose suppliers that offer on-site training or detailed installation manuals.

Long Lead Times

During peak seasons, production lead times can extend to 60 days. Solution: Place orders 3 months in advance and maintain safety stock.

监管合规

Different countries have varying building codes and fire safety standards. Solution: Work with a compliance consultant to ensure the product meets local regulations.

The foam concrete block industry is poised for robust growth in 2026, driven by urbanization, sustainability trends, and cost pressures. By understanding the global supplier landscape, procurement best practices, and market dynamics, importers can successfully navigate this evolving market and secure high-quality materials for their projects.