Kool Seal KST034600-20 Roof Primer and Undercoat, Light Blue, 5 gal, Liquid

Use on problem roofs and pond water situations. Expands and contracts with your roof. Improves topcoat adhesion. Use as a base to convert black asphalt to white. Prevents leaks. Improves resistance to standing water. Must be top coated.Unit: PAILUPC: 05092