The fire reportedly started about 8.30am at the one-storey, rectangular warehouse of Bangpoo Intermodal Systems Co (Bisco) located on 13B Road within the compound of the industrial estate.
As all doors of the warehouse were open, the fire quickly spread all over the building and its steel structure then caved in.
Containers of chemical fluids were reportedly also kept in the warehouse and the sounds of explosions were heard at times during the blaze.
Bisco managing director Nat Phothisoonthorn said later the 7,500-square-metre warehouse kept chemical and plastic products. The fire started at its cold room when 110 staff were at work. They were unable to contain the fire and were evacuated . All were safe.
He said that initial damage was estimated at 1 billion baht.
(Photos by Surapol Promsaka na Sakolnakorn)