Black cotton soil tends to soak water during the rainy season and expand and shrink during the dry season.
This expansion and shrinkage creates up and down movements on the ground floor slab, resulting to cracks.
To prevent this cracking, the black cotton soil is either excavated at a minimum depth of 1m or the building foundation raised and suspended above the ground level.
Precast Click Fence (PCF) is a technological advancement that doesn’t need any excavations , you only need to remove cotton soil at the post hole and concrete your H post and lock your precast panels in position .
Precast panels allows expansion and movement hence not easy to crack or fall off .
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