Water: The Great Destroyer

Rain Water seeps into the building through micro cracks & pores

Particle sizes for different types of water repellents

Internal - External

• Efflorescence
• Paint Peel Off/ Blisters
• Fungus
• Mold (Mildew)
• Dirt Pick Up

Cement loses its strength due to::

1. ASR (Alkalina Silica Reacción)
2. Freezing/ Thawing
3. Carbonation / Acid Rain / Sulphate Attack

Corrosion of Reinforced Steel Bars Leading to Loss of Ductility and Strength