This product is an ASTM E84 tested and NFPA 90A compliant vertical metal resurfacer, used to fill cracks, refurbish, and stop corrosion.
Water and chemical-resistant industrial strength HVAC surface protector. V4138 is the best solution available on the market today to protect all the surfaces in the HVAC system.
V4138 Quart: 2 part kit mixes to make 1 quart (0.95 L) of V4138. Approximate coverage: 37 square feet.
V4138 Gallon: 2 part kit mixes to make 1 gallon (3.75 L) of V4138. Approximate coverage: 150 square feet.
How to figure what you need for a 1/4 inch thick installation: Multiply pan length(inches) x width(inches) x 0.25 then divide the answer by 231.
NOTE: Ground USA Shipments Only with this product.