April 9, 201016 yr On a 4 1/2 floor townhouse in Bangkok I want to build the 1/2 floor into a full floor by pouring a new concrete floor on the open 1/2. Size of the area to be poured would be about 40 square meters. Anyone have any idea how much something like this might cost? Also is there a certain way that this should be constructed? Obviously if the builder built the floor incorrectly and it collapsed it would probably be fatal for people below, so i want to make it's constructed properly.
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