Hydrated lime, chemically known as calcium hydroxide, is one of the most essential and versatile materials in the construction industry.
At Industrial Materials Kenya, we are proud to be a leading supplier of premium-quality hydrated lime tailored for construction needs. Whether you are a contractor, engineer, or developer, understanding how hydrated lime works and why it is important can help you achieve better construction results.
What is Hydrated Lime?
Hydrated lime is a dry powder produced by adding water to quicklime (calcium oxide). The chemical reaction forms calcium hydroxide:
CaO + H₂O → Ca(OH)₂
This process is known as slaking.
Hydrated lime is widely used in construction because of its:
- High plasticity
- Binding properties
- Workability
- Durability
It is a fine, white powder that easily mixes with water and other construction materials
Why Hydrated Lime is Important in Construction
Hydrated lime has been used for centuries in building and construction. Even today, it remains relevant due to its unique properties that enhance performance.
Key Reasons Builders Use Hydrated Lime
1. Improves Workability
Hydrated lime makes mortar and plaster smoother and easier to apply.
2. Enhances Durability
Structures built with lime-based materials are more resistant to weathering.
3. Reduces Cracking
It minimizes shrinkage cracks in mortar and plaster.
4. Increases Bond Strength
Improves adhesion between bricks, blocks, and surfaces.
5. Water Resistance
Helps reduce water penetration in walls.
Main Uses of Hydrated Lime in Construction
1. Mortar Production
Hydrated lime is commonly mixed with cement and sand to produce mortar.
Benefits in mortar:
- Better workability
- Improved bonding
- Increased lifespan
2. Plastering
Lime plaster is widely used for finishing walls.
Advantages:
- Smooth finish
- Breathability (reduces dampness)
- Crack resistance
3. Soil Stabilization
Hydrated lime is used to improve weak soils.
Applications:
- Road construction
- Foundation strengthening
Benefits:
- Increases soil strength
- Reduces plasticity
- Improves load-bearing capacity
4. Concrete Modification
Though not always used directly in modern concrete, lime can enhance certain mixes.
5. Whitewashing
Hydrated lime is used for decorative and protective coatings.
Advantages of Using Hydrated Lime in Construction
1. Cost-Effective
Reduces maintenance costs due to increased durability.
2. Eco-Friendly
- Lower carbon footprint compared to cement
- Reabsorbs CO₂ over time
3. Breathability
Allows moisture to escape, preventing mold and dampness.
4. Flexibility
Reduces structural stress and cracking.
5. Long-Term Performance
Buildings last longer with lime-enhanced materials.
Hydrated Lime vs Cement: What’s the Difference?
| Feature | Hydrated Lime | Cement |
|---|---|---|
| Flexibility | High | Low |
| Strength | Moderate | High |
| Breathability | Excellent | Poor |
| Crack Resistance | High | Moderate |
| Environmental Impact | Lower | Higher |
Best Practice:
Use hydrated lime together with cement for optimal performance.
Safety Precautions When Handling Hydrated Lime
Hydrated lime is alkaline and should be handled carefully.
Safety Tips:
- Wear gloves and goggles
- Avoid inhalation
- Store in a dry place
- Keep away from moisture
Hydrated Lime Price in Kenya
The cost of hydrated lime in Kenya depends on:
- Quantity purchased
- Quality/grade
- Delivery location
- Market demand
At Industrial Materials Kenya, we offer competitive prices and bulk supply options to ensure affordability without compromising quality.
Call/WhatsApp: 0769723154
Email: info@industrialmaterials.co.ke
Why Choose Industrial Materials Kenya?
We are a trusted supplier of construction materials across Kenya.
Our Advantages:
1. High-Quality Products
We supply premium-grade hydrated lime suitable for all construction needs.
2. Reliable Supply
Consistent availability for both small and large projects.
3. Competitive Pricing
Affordable rates for contractors and bulk buyers.
4. Expert Support
Guidance on proper usage and application.
5. Nationwide Delivery
Fast and reliable delivery across Kenya.
Frequently Asked Questions (FAQs)
1. What is hydrated lime used for in construction?
It is used in mortar, plaster, soil stabilization, and finishing works.
2. Is hydrated lime better than cement?
Not necessarily better, but it complements cement by improving flexibility and workability.
3. Can hydrated lime be used alone?
Yes, but it is often mixed with cement for stronger results.
4. How much hydrated lime do I need?
Depends on your project size and application. Contact us for guidance.
5. Is hydrated lime safe?
Yes, when handled properly with protective gear.
6. Does hydrated lime prevent cracks?
Yes, it reduces shrinkage and cracking in mortar and plaster.
7. Can it be used for waterproofing?
It improves water resistance but is not a complete waterproofing solution.
8. Where can I buy hydrated lime in Kenya?
From Industrial Materials Kenya, a trusted supplier.
Contact Us Today
Phone: 0769723154
Email: info@industrialmaterials.co.ke
Website: https://industrialmaterials.co.ke
Get in touch today for the best hydrated lime solutions tailored to your construction needs.