NEW Sto Fireblocking Solution to Meet 2022 New York City Building Code

Sto Products

StoPrime® Block Surfacer HP

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.

Product number: 81520

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