Hollow blocks are rectangular-shaped lightweight concrete blocks people use for various construction applications – homes, pavements, and commercial buildings.
Hollow blocks have emerged as a better alternative to counter variety disadvantages in the traditional clay bricks. Unlike clay-baked bricks, concrete blocks are cheap, easier to handle, lighter in weight, and most importantly are environment friendly.
Market overview
There is an ever-growing demand for hollow blocks as people have become able to enjoy many benefits – long-lasting durability, speedy construction works, and most importantly involves low labour participation.
People buy and use hollow blocks for various applications – bearing walls, interior walls, panel walls, etc. The major potential customers for your hollow blocks are constituted by residential markets and construction companies.
Concrete block features
- Standard size – 40cm (length) X 20 cm (width)
- Density -1000 kg/m3 -1500 kg/m3
- Strength – 2.8-4.0 N/mm 2
Land/Building requirements
Hollow blocks production and laying process demand you availability of at least 5500 sq. ft. equivalent to 1 Kanal of land in India. Somewhere around 300 sq., ft. area is required for your open storage and 2000 sq. ft. for sheds.
| Land | 1 Kanal |
| Storage Area | 300 sq. ft |
| Shed Area | 2000 sq ft |
Machinery/Equipment
You also need various kinds of machines for making your hollow blocks – a hollow block machine, cement mixer. Tipping barrows, a generator, and a few ramming block machines. Names and required quantities of all machines are given as:
| Block making machine | 1 UNIT |
| Cement mixer | 1 UNIT |
| Tipping barrows | 3 UNITS |
| Generator | 1 UNIT |
| Ramming Moulds | 3 UNITS |
Raw Materials Requirements
Raw materials which you will need to use for the production of hollow concrete blocks include – cement, crusher stones, locally called BAJRE, and crusher dust. All required raw materials for blocks are easily available anywhere.
| Cement |
| Crusher Stones |
| Crusher Dust |
Investment structure
Your total investment structure is given as:
| Land | Owned/Leased |
| Building | 3 Lakhs |
| Machinery and Equipment | 8 Lakhs |
In conclusion, you will need to arrange a sum of somewhere around 11-12 Lakhs rupees including your operational costs to start your hollow blocks-making business. You may also be required marketing costs to promote your newly launched hollow blocks business in your locality.
