Interlocking Blocks in Kenya

For high-quality interlocking blocks in Kenya, contact HighMax on 0726 818 043.

Interlocking blocks are taking over the market as the preferred building material in Kenya.

Many people are not aware of the interlocking block technology although it has been around for about two decades.

This article provides an in-depth explanation of interlocking blocks in Kenya while covering everything you need to know.

What are interlocking blocks?

Interlocking bocks are building blocks that are designed in such a way that they have projections (crests) and depressions (troughs) that make them fit perfectly into each other during construction without requiring any mortar.

Interlocking blocks are enhanced conventional clay bricks that lock themselves to the adjacent ones by dry-stacking without requiring mortar. The self-locking is made possible by shear-ket and lock mechanism.

The shape of teh shear-key varies from one design to another but the operating principle of interlocking remains the same.

Load transfer from one block to another is achieved by shear transfer and gravity.


Types of Interlocking Blocks in Kenya

Based on the type of construction materials used, there are two main types of interlocing blocks produced in Kenya:

  • Interlocking Stabilized Soil Blocks (ISSB)
  • Concrete Interlocking Blocks

The interlocking blocks come in various designs deending on the type and size of moulds used.

Interlocking Stabilized Soil Blocks (ISSB)

Interlocking Stabilized Soil Blocks (ISSB) are made by mixing soil, sand, water and cement mixed in specific ratios depending on the type of soil.

The ratios are not fixed because soil types varry from place to place.

The mixture of soil, sand, water and cement is then compressed in an interlocking block machine to produce interlocking blocks.

The blocks are cured for 14 days before they are ready for use. You’ll read more on curing interlocking blocks later in this article.

Advantages of Interlocking Blocks

The following are the main advantages of interlocking blocks:

  • They are affordable
  • They are earthquake resistant
  • They provide a heat insulation
  • It is easier to use interlocking blocks
  • Construction requirs a few skilled workers
  • Interlocking blocks save construction time


Disadvantages of Interlocking Blocks

  • Wear and tear of blocks due to adverse weather conditions or poor handling. This can be remedied by producing the blocks at the construction site and by using a block varnish.

Does HighMax Construction Company Deliver Interlocking Blocks Countrywide in Kenya?

Yes. We deliver countrywide to the following 47 counties:

1. Mombasa County
2. Kwale County
3. Kilifi County
4. Tana River County
5. Lamu County
6. Taita/Taveta County
7. Garissa County
8. Wajir County
9. Mandera County
10. Marsabit County
11. Isiolo County
12. Meru County
13. Tharaka-Nithi County
14. Embu County
15. Kitui County
16. Machakos County
17. Makueni County
18. Nyandarua County
19. Nyeri County
20. Kirinyaga County
21. Murang’a County
22. Kiambu County
23. Turkana County
24. West Pokot County
25. Samburu County
26. Trans Nzoia County
27. Uasin Gishu County
28. Elgeyo/Marakwet County
29. Nandi County
30. Baringo County
31. Laikipia County
32. Nakuru County
33. Narok County
34. Kajiado County
35. Kericho County
36. Bomet County
37. Kakamega County
38. Vihiga County
39. Bungoma County
40. Busia County
41. Siaya County
42. Kisumu County
43. Homa Bay County
44. Migori County
45. Kisii County
46. Nyamira County
47. Nairobi County

Are interlocking blocks safe to use?

Yes, the blocks are safe to use. You can use interlocking blocks in Kenya to build up to a two storey building.


How long can interlocking blocks last?

Researchers have shown that houses made of interlocking blocks can last more than 100 years.

Is it worth using interlocking blocks?

Yes it is worth the cost.

You get an affordable and comfortable house at a cheaper cost.

Building houses with interlocking blocks is 20% – 30% cheaper than building with fired clay bricks.


Can I use Interlocking Blocks to Build a Storey?

Yes. You can use interlocking blocks to build up any houses but up to two storeys.

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