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Calcium Silicate Boards

Calcium Silicate Boards are high-performance, non-combustible construction boards designed for applications where fire resistance, moisture resistance and long-term durability are essential. Widely used throughout residential, commercial and industrial buildings, calcium silicate boards provide a reliable solution for passive fire protection, internal wall linings, ceiling systems, partitions, service enclosures and a wide range of specialist building applications.

Manufactured from calcium silicate and reinforced with carefully selected fibres and fillers, these boards offer excellent dimensional stability, making them resistant to moisture, warping and deterioration even in demanding environments. Their smooth surface provides an ideal base for decorative finishes, allowing them to be painted, wallpapered or tiled depending on the project requirements.

Available in a variety of thicknesses and sizes, calcium silicate boards are suitable for everything from lightweight internal linings to heavy-duty fire protection systems. Many products achieve the highest Euroclass A1 non-combustible fire classification, making them an ideal choice for projects where compliance with UK Building Regulations and fire safety standards is essential.

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15 products
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52mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 52 mmQuantity: 1 SheetkPa: 5500kPa
50mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 50mmQuantity: 1 SheetkPa: 5500kPa
40mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 40mmQuantity: 1 SheetkPa: 5500kPa
35mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 35mmQuantity: 1 SheetkPa: 5500kPa
30mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 30mmQuantity: 1 SheetkPa: 5500kPa
25mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 25mmQuantity: 1 SheetkPa: 5500kPa
20mm Promat PROMATECT L500 Calcium Silicate Board
Fire resistant ducts, cladding of sheet metal ducts and to provide fire rated cable and service enclosuresPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 20mmQuantity: 1 SheetkPa: 5500kPa
Promat PROMAFOUR 15mm Calcium Silicate Board
Cement bonded calcium silicate based insulation boardsPack Length: 2500mmPack Width: 1250mmPack coverage: 3.13m2Thickness: 15mmQuantity: 1 Sheet
Last known price:£289.22 Inc VAT (£241.02 ex VAT)
Promat PROMAFOUR 12mm Calcium Silicate Board
Cement bonded calcium silicate based insulation boardsPack Length: 2500mmPack Width: 1250mmPack coverage: 3.13m2Thickness: 12mmQuantity: 1 Sheet
Last known price:£289.22 Inc VAT (£241.02 ex VAT)
Promat Monolux 30mm Fire Board
Rigid calcium silicate insulation boardsPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 30mmQuantity: 1 Sheet
Last known price:£462.00 Inc VAT (£385.00 ex VAT)
Promat Monolux 20mm Fire Board
Rigid calcium silicate insulation boardsPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 20mmQuantity: 1 Sheet
Last known price:£462.00 Inc VAT (£385.00 ex VAT)
Promat Monolux 12.7mm Fire Board
Rigid calcium silicate insulation boardsPack Length: 2500mmPack Width: 1200mmPack coverage: 3m2Thickness: 12.7mmQuantity: 1 Sheet
Last known price:£462.00 Inc VAT (£385.00 ex VAT)
Promat MASTERBOARD 12mm Fire Protection Board
calcium silicate boardPack Length: 2440mmPack Width: 1220mmPack coverage: 2.98m2Thickness: 12mmQuantity: 1 SheetkPa: 9300kPa
Last known price:£158.52 Inc VAT (£132.10 ex VAT)
Promat MASTERBOARD 9mm Fire Protection Board
calcium silicate boardPack Length: 2440mmPack Width: 1220mmPack coverage: 2.98m2Thickness: 9 mmQuantity: 1 SheetkPa: 9300kPa
Last known price:£117.96 Inc VAT (£98.30 ex VAT)
Promat MASTERBOARD 6mm Fire Protection Board
calcium silicate boardPack Length: 2440mmPack Width: 1220mmPack coverage: 2.98m2Thickness: 6mmQuantity: 1 SheetkPa: 9300kPa
Last known price:£80.64 Inc VAT (£67.20 ex VAT)
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