How to Make Hollow Blocks from Waste Materials

Sep 20th, 2006 | Category: How to Make, Livelihood, Things

A new type of hollow blocks can be fabricated out of wood wastes, agricultural wastes and soil mixed with minimum amount of cement. As far as strength and durability are concerned, results of test showed that this type of blocks is comparable to some of the commercial or traditional concrete hollow blocks. However, they are considered as strictly non-loading bearing.

Materials:

1 part cement
3 parts sawdust
ordinary soil
rice hulls
abaca waste
sugarcane bagasse
coconut coir dust
coconut trunk

Procedure:

Pulverized soil is passed through a wire screen, 1/4 inch wire mesh to separate larger pieces. A mixture of 1 part cement to 3 parts agri-waste is formulated.
Mix all materials together, add water and pour into molds.
Let stand for several hours until dry.
After drying, remove from molds and let stand along one side for 10 days while sprinkling water at regular intervals to avoid cracking.

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6 Responded on "How to Make Hollow Blocks from Waste Materials"

July 16th, 2008, 9:45 pm - By: karlwen cabahug :
please add the mixtures of the materials because its really important in making hollow blocks
November 26th, 2008, 11:59 pm - By: ken borjal :
how many part of soil is required?
July 20th, 2009, 7:50 am - By: Alan :
Could you please email me the exact measurement of each material needed to make a hollow blocks..
Is this way of making the cheapest way?
Like in one sack of cement how many hollowblocks can I make?
Thank you.
July 27th, 2009, 10:15 pm - By: Patricio :
Remember that the hollow-block (with 4 parts agri-waste and 1 part concrete) is NON-LOAD-BEARING.
I found another site which suggested:
— 1/4 cu-meter cement;
— 1/4 cu-meter sand (or soil);
— 1/2 cu-meter sawdust (or 50% sawdust, 50% rice husk);
— 1/4 cu-meter corn-husk or coconut husk;
December 15th, 2009, 2:08 am - By: Tony Bon :
As i am engaging in this small business of hollow block making, is there any chance to get some ideas on how to make quality blocks at a reduced cost.
September 2nd, 2010, 1:50 pm - By: Nicole :
hi! can you include the measurements of the soil, cement, and the waste materials??