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Calcium Silicate Boards for Fire & Thermal Insulation - Available in 6 mm to 100 mm

Explore premium calcium silicate boards for fire-rated ceilings, partitions, and insulation. Class A fireproof, moisture-resistant, high-temperature boards available across India. 

Welcome to Wedge India, your trusted source for high-performance Calcium Silicate Boards. Engineered for exceptional durability and versatility, our boards are the ultimate solution for a wide range of demanding applications, from advanced thermal insulation and passive fire protection to robust construction for ceilings and partitions.

Experience the perfect blend of strength, safety, and sustainability with our non-asbestos, eco-friendly boards. Whether you're an architect, builder, or industrial contractor, explore how Wedge India's Calcium Silicate Boards deliver unmatched reliability and long-term value for your projects.

Calcium Silicate Board

What is Calcium Silicate Board?

Calcium silicate board is a high-performance, versatile building material renowned for its exceptional fire resistance, thermal insulation, and long-lasting durability. Engineered from a blend of calcium, silicon, and natural reinforcing fibers, it is completely free from asbestos, making it an eco-friendly and safe choice for modern construction.

Ideal for use in false ceilings, drywall partitions, wall cladding, and specialized industrial applications, calcium silicate board delivers outstanding protection against heat, flames, moisture, and termites. Its smooth, paint-ready surface and excellent dimensional stability ensure easy installation and a flawless finish—whether you’re designing residential interiors, commercial spaces, or demanding industrial environments.

With industry-leading certifications for quality and environmental safety, calcium silicate boards are trusted by architects, builders, and engineers across India for projects where superior fireproofing, insulation, and structural integrity are non-negotiable. Choose calcium silicate board to ensure safety, efficiency, and long-term value for your next project.

Features & Benefits Calcium Silicate

  • High Thermal Insulation: Excellent at reducing heat transfer, making them ideal for high-temperature environments.

  • Fire Resistance: Non-combustible, providing a high degree of safety in industrial settings.

  • Durability: Resistant to physical wear and tear, moisture, and chemical attack.

  • Low Thermal Conductivity: Maintains consistent insulating properties across a wide range of temperatures.

  • Dimensional Stability: Maintains shape and effectiveness even under high temperatures and varying conditions.

  • Lightweight: Easier to handle and install compared to other high-density insulation materials.​

Benefits in Industrial Applications

  • Energy Efficiency: Helps in maintaining consistent temperatures and reducing energy consumption in industrial processes.

  • Safety: Enhances fire protection, reducing the risk of fire hazards in industrial plants.

  • Cost-Effective: Long lifespan and low maintenance requirements lead to cost savings over time.

  • Environmental Resistance: Effective in harsh environments where moisture, chemicals, and high temperatures are prevalent.

  • Ease of Installation: Can be cut and shaped on-site to fit various industrial equipment and structures.

Calcium Silicate Board Price in India

Calcium Silicate Board Price in India

Factors Affecting Price:

  • Density & Thickness – Higher density and thicker boards cost more.

  • Application Type – Thermal boards (1100 °C+) are costlier than ceiling boards.

  • Brand – Prices vary across Wedge®, Ramco Hilux, Everest, Promat, etc.

  • Quantity – Bulk rates may be up to 20% lower than listed prices.

  • Location – Freight costs vary for remote regions.

 

Wedge India Example Pricing (Reference)

SKUProductMRP

WDG-CSB2440-066 mm Standard Fire-Resistant Board₹700 / sheet

WDG-WR2440-1212 mm Moisture Resistant Board₹1,100 / sheet

WDG-HD2440-1010 mm High-Density Calcium Silicate Board₹950 / sheet

WDG-XON1220-2525 mm Xonotlite High-Temp Board₹2,450 / sheet

FAQs – Calcium Silicate Boards | Wedge India

1. What is a Calcium Silicate Board?

Calcium Silicate Board is a high-strength, fire-resistant, and water-resistant building board made from a mixture of calcium, silica, and reinforcing fibers. It is commonly used for partitions, false ceilings, wall linings, and fireproof enclosures.

2. What are the key advantages of Wedge® Calcium Silicate Boards?

Wedge® Calcium Silicate Boards offer:

  • High fire resistance (up to 1200°C)

  • Excellent moisture and humidity resistance

  • Termite and mold proof

  • Strong, durable, and impact-resistant

  • Long life span (20–30 years)

  • Asbestos-free and eco-friendly

3. Where can I use Calcium Silicate Boards?

They are ideal for:

  • Interior partitions and drywalls

  • False ceilings and soffits

  • Wet areas like kitchens and bathrooms

  • Fire-rated enclosures and ducts

  • Commercial and industrial interiors

4. Are Calcium Silicate Boards waterproof?

They are highly water-resistant but not 100% waterproof. They perform well in humid and wet environments when installed with proper joint sealing and surface treatment.

5. What thicknesses are available in Wedge® Calcium Silicate Boards?

Standard thicknesses include:

  • 6mm

  • 8mm

  • 10mm

  • 12mm

  • 15mm

  • 18mm

  • 20mm

  • 25mm

Custom thicknesses may be available on bulk order.

6. What is the standard size of your Calcium Silicate Board?

The standard board size is:
2440 mm x 1220 mm (8 ft x 4 ft)

7. Can I paint or tile over Calcium Silicate Boards?

Yes, Wedge® Calcium Silicate Boards can be painted, tiled, laminated, or finished with wallpaper after applying a suitable primer or bonding agent.

8. Are Wedge® Calcium Silicate Boards fireproof?

Yes. They are non-combustible and offer excellent fire resistance. They are often used for fire-rated partitions, walls, ceilings, and ducts.

9. How do these boards compare with gypsum boards?

Compared to gypsum boards:

  • Wedge® Calcium Silicate Boards are stronger

  • More moisture and fire-resistant

  • Have a longer service life

  • Better suited for commercial and wet areas

10. What is the price of a 6mm Calcium Silicate Board at Wedge India?

The 6mm thick Wedge® board (2440x1220 mm) is priced at approximately ₹700 per sheet (inclusive of GST). Prices vary with thickness and quantity.

11. Do you offer bulk supply or B2B pricing?

Yes, we supply across India to builders, contractors, OEMs, and industrial clients. For wholesale and distributor pricing, please contact us directly.

Explore Calcium Silicate Products at Wedge India

Wedge India

Wedge Industries Limited: 5th Floor, Wing A, Statesman House, 148 Barakhamba Road, Connaught Place New Delhi, New Delhi 110001 India.

Wedge Insulation: 615 - 617, 6th Floor Galleria Tower,

DLF Phase 4, Gurgaon - 122002, Haryana India

Wedge Group (Asia Pacific): 306, 3rd Floor Duru House Juhu Tara Road, Next to JW Marriot, Juhu, Mumbai - 400049, India​

Wedge Engineering & Consulting: 443 Gomtinagar Extension, Sector 4, Gomti Nagar, Lucknow, Uttar Pradesh 226010

Wedge Group (Asia Pacific)

China: Pearl River Tower No. 15, West Zhujiang Road 

Tianhe District, Guangzhou - 510623 China

Email: china@ wedgegl.com

London, UK: Shelton Street, Covent Garden London,

Greater London WC2H 9JQ, UK

Email: contact@ wedgegl.com

FAQs about Wedge India
  1. What industries does Wedge India serve with its insulation products?
    Wedge India caters to industries including construction, oil & gas, cold chain logistics, fire protection, cryogenics, EV battery manufacturing, steel and foundry, HVAC, and prefabricated structures.

  2. What makes WedGel Aerogel insulation different from traditional insulation materials?
    WedGel Aerogel offers 2–4 times better thermal performance than fiberglass or mineral wool, is hydrophobic, fire-resistant, and allows for thinner insulation profiles—ideal where space and efficiency are critical.

  3. Do your insulation products comply with international standards?
    Yes. Wedge products comply with ASTM, ISO, GB/T, EN, and ROHS standards. They meet fire safety classifications like ASTM E84, ISO 1182, and GB/T 8642-2012.

  4. Can Wedge insulation materials be used for both high-temperature and cryogenic applications?
    Absolutely. Our range covers temperatures from -200°C to +1750°C, making them suitable for both cryogenic cold chain and extreme heat environments.

  5. What is the typical lifespan of Wedge insulation materials?
    With proper installation, Wedge insulation systems can last over 20 years, retaining thermal performance, moisture resistance, and structural integrity with minimal maintenance.

  6. How does Wedge India help reduce Corrosion Under Insulation (CUI)?
    Our Perlite insulation products contain an in-built rust inhibitor that neutralizes chlorides upon moisture contact, preventing CUI in pipelines and equipment.

  7. Do you offer customised insulation solutions?
    Yes. We provide tailor-made sizes, densities, coverings, and thermal performance levels for applications such as fire doors, EV batteries, offshore pipelines, and building facades.

  8. Are your products eco-friendly?
    Many Wedge products are recyclable, asbestos-free, non-toxic, and meet green building standards, making them ideal for LEED and sustainable projects.

  9. Do you provide installation support and technical guidance?
    Yes. Our technical team assists with product selection, thickness calculations, and correct installation methods for maximum insulation efficiency.

  10. How quickly can you deliver products across India and for export?
    Thanks to our India-based manufacturing and global supply chain, we can deliver within 3–7 days locally and manage exports to EMEA, APAC, and Americas efficiently.

Group Rep Offices: Sales, Supply, Distributors, Service Locations

Hong Kong: C/O ZJELL LTD Bonham Strand, Sheung Wan, Central Western, Hong Kong - 999077

Guangzhou China: Pearl River Tower No. 15, West Zhujiang Road, Tianhe District, Guangzhou - 510623 China

London UK: Shelton Street, Covent Garden London, Greater London - WC2H 9JQ, UK

New Delhi, India: 615, Floor 6 Galleria Tower, DLF Galleria Road, DLF Phase 4, Gurugram, Haryana - 122002, New Delhi Region, India

AHMEDABAD: Earth Arise, Sarkhej - Gandhinagar Highway, Makarba, Ahmedabad, Gujarat 380015, India

BANGALORE: Raheja Towers, 26-27, Mahatma Gandhi Rd, Bengaluru, Karnataka 560001, India

CHANDIGARH Zirakpur: The Summit Building, SCO - 203, 204 & 205, Chandigarh-Ambala Highway, India

KOLKATA, RDB Boulevard: Salt Lake Bypass, BP Block, Sector V, Bidhannagar, Kolkata, West Bengal 700091, India

CHENNAI: Amarasi Towers, 455, Anna Salai, Teynampet, Chennai, Tamil Nadu 600018, India

Noida: Assotech Business Cresterra, Upper Ground floor, Tower 2. Plot No 22,Sector 135, Noida, India

Jaipur: Jaipur Centre, Tonk Road & B2, Bypass Junction SectorB-4, Near Airport, India

Pune: Tech Centre, Plot No. 30, Phase 1, Rajiv Gandhi Infotech Park, MIDC, Hinjewadi, India

Lagos: The Waterside, off Admiralty Way, Lekki Phase 1, Lagos, Nigeria

Casablanca: 11, Lotissement Attaoufik, Sidi Maarouf, Casablanca, Morocco

Algiers: Rue Rabah Bourbia, El Biar, Algiers, 16000, Algeria

Hai Chau: Indochina Riverside Office Tower, 74 Bach Dang Street, Hai Chau District, Da Nang, Vietnam

India Locations: Delhi | Mumbai | Gurugram | Lucknow | Ahmedabad | Bangalore | Chennai | Kolkata 

Global Locations: Singapore | Manchester | Dubai | Beijing | Bangkok |  Kuala Lumpur | Hong Kong | Dhaka | Nairobi | Port Louis | Durban 

 Developed and Managed by  ZJELL  

©2024 by Wedge India

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