Monday-Friday | 8:00 am – 5:00 pm (EST)
Sto Americas Headquarters
3800 Camp Creek Parkway SW
Building 1400 • Suite 120
Atlanta, Georgia 30331 USA
Phone (800) 221-2397 – Fax (404) 346-3119
StoPrime® Block Surfacer HP is a high build alkali resistant primer for use on vertical above grade walls over concrete, concrete masonry and stucco. Its primary purpose is to fill concrete block surfaces prior to the application of Sto top coats.