S4Wall CG 21 GAS CONCRETE MASONARY MORTAR

S4Wall CG 21 GAS CONCRETE MASONARY MORTAR

S4Wall CG 21 is a cement-based, polymer-added masonry mortar designed for bonding masonry elements such as pumice, stone, and brick. Suitable for both indoor and outdoor applications, it offers high bonding strength, flexibility, and resistance to thermal shocks, water, and frost.

£12.70

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Description

S4Wall CG 21 is a high-performance, cement-based mortar designed for bonding masonry elements like pumice, stone, and brick. It is polymer-enhanced for high bonding strength and flexibility, making it ideal for both indoor and outdoor applications. This mortar is resistant to thermal shocks, water, and frost, ensuring long-lasting performance in a variety of construction environments.

✅ Advantages:

  • Easy to apply
  • Provides high bonding strength and flexibility
  • Resistant to thermal shocks, water, and frost
  • Prevents mold and moisture buildup

📌 Application Areas:

  • For bonding masonry elements like pumice, stone, and brick
  • Indoor and outdoor applications
  • On vertical surfaces

⚙️ Technical Specifications:

PropertyValue
Chemical StructureCement-based, polymer-added powder
Powder Density~1.50 g/cm³ (±0.1)
Water Mixing Ratio5.75–6.25 L water / 25 kg powder
Compressive Strength (EN 1015-11)≥ 5 N/mm²
Bond Strength (EN 1015-12)≥ 0.4 N/mm²
Capillary Water Absorption≤ 0.40 kg/m²·min0.5
Water Vapor Permeability (EN 1015-19)≤ 25
Thermal Conductivity (EN 1745)≤ 0.33 W/mK
Pot Life1–2 hours
Consumption9.00–11.00 kg/m² (depending on the size of masonry elements)

🛠️ Application Instructions:

  • Ensure the surface is clean, smooth, and solid
  • Mix with clean water until a homogeneous mixture is achieved
  • Apply with a trowel to the vertical sides of the masonry element
  • Press the adhered masonry element with a rubber mallet

⚠️ Warnings:

  • Do not apply in weather conditions below +5°C or above +30°C
  • Avoid application on frozen, melting, or wet surfaces

🧽 Cleaning & Storage:

  • Clean tools with solvent immediately after use
  • Store in a dry, moisture-free area, unopened, for up to 12 months

🧯 Safety:

  • Wear protective clothing, gloves, and masks during application
  • Avoid contact with eyes and skin
  • Keep out of reach of children
  • Consult the Safety Data Sheet (SDS) for more details

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