Flat Roof Storage Tanks

Thermal insulation tank wall and roof solutions for tanks operating at below ambient temperatures.
Flat roof storage tanks. Flat roof water tanks. These tanks have a cone shape with a floating roof within hence its name is floating roof tank. A smooth and flat surface combined with structural strenght and maximum gallon capacity. The flat roof option on a corgal corrugated bolted steel tank provides the lowest possible profile.
There will always be a vapor space between the liquid surface and the roof. Smooth flat roof tanks can be designed for most snow and wind loads. Corgal tanks are available with smooth galvanized steel flat roof systems where the overall height of a pitched roof tank may be a problem. The smooth flat roof tank consists of an interior galvanized steel formed joist support system covered with bolted galvanized steel panels and sealed with rope caulk between the panels.
The roof suspended within the storage tank moves along the level of the fluid i e with the increase of the liquid the roof moves up and with the lowering of the liquid the roof goes down. The roof may be flat cone shaped or domed. Corgal designs and manufactures water tank systems in 17 different diameters 6 feet to 72 feet with capacities in excess of 600 000 gallons. The roof of a fixed roof tank is part of the structure fig.
Is the leading corgal tank provider on the west coast.