SP Interlock is a concrete “conditioner” for use on aged and weathered concrete. It is a combination of non-acidic water-soluble agents, which penetrate through the open pores. Once absorbed, SP Interlock works to replace lost solids within a concrete surface before being over-coated with Rust Grip®, Enamo Grip, or other coatings.


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Product Chemistry Non-Acidic Water-Soluble Agents
Volume Solids 3%
VOC Level 38 g/L
Dry Time (if 70˚F) 4 to 12 hours
Full Cure 7 days

Typical Uses

1. Sidewalks, walkways, driveways, etc.

2. Anywhere concrete has lost solids

Application Methods

SSP Interlock can be applied to old or new concrete. The application can be by brush or roller. For specific instructions on surface preparation, mixing and application, please refer to the SPI’s application instructions for SP Interlock.

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Product Information