Wednesday, September 10, 2008

HOLLOW BLOCKS


Concrete hollow blocks or CHB is generally used for house construction. its name is derived from its appearance having holes or hollow spaces. it varies widely in size shapes and cost. but generally a 4 inches thick CHB is widely used in the Philippines in constructing houses.
Concrete hollow blocks are usually made of sand gravel and cement and is mixed by water, some put others materials to make it more strong,then the mixture is put in CHB shaper.

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