Spray Foam Coating – Tanks & Vessels If you’re looking for the ultimate insulating material then you can stop looking…you’ve found it!!! A tank sprayed with with the following thicknesses of Polyurethane Foam Insulation gives the resulting ‘R’ value ratings: 100mm – R value of 4.6. 75mm – R Value of 3.45 50mm – R … Continue reading Tank & Vessel Coating