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.

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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

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

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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.