Sealer Boss Slip Not SN-40 Anti-Slip Sealer Additive helps improve traction when mixed into compatible solvent-based sealers for concrete and masonry surfaces. Supplied in a 1 lb container, this mineral aggregate is intended for interior and exterior applications, including pool decks, patios, walkways, driveways, stamped concrete, and pavers. Confirm compatibility with your selected sealer before use.
Compatibility & Suitable Uses
Slip Not SN-40 is for compatible solvent-based sealers only. Confirm that your specific sealer accepts SN-40 before mixing.
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Sealer or Surface |
Guidance |
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Solvent-based sealers |
Use only with manufacturer-confirmed compatible products. |
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Water-based sealers |
Do not use. |
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Concrete and masonry |
Both the sealer and additive must be suitable for the surface. |
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Polished concrete, natural stone, and wood |
Not recommended. |
Typical projects include:
- Pool decks and patios.
- Walkways and driveways.
- Stamped concrete and pavers.
- Prepared troweled concrete.
Test a small, inconspicuous area and allow it to dry. Check the appearance and texture before full application.
Dosage
The technical sheet lists 4β6 ounces per gallon of compatible solvent-based sealer. Before measuring, confirm with the manufacturer whether the amount is by weight or volume.
Do not exceed the recommended dosage. Container yield can be calculated once the measurement basis is confirmed.
Square-foot coverage depends on the selected sealerβs application rate and required coats.
Key Benefits
- Improved traction: Helps increase slip resistance in compatible solvent-based sealers.
- Limited appearance change: Designed to improve traction without significantly changing the coatingβs appearance.
- Mixes into the sealer: Disperses with thorough mixing; continued agitation keeps it suspended during application.
- Indoor and outdoor use: For suitable concrete and masonry surfaces, including patios, walkways, and pool decks.
Product Specifications
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Specification |
Details |
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Brand |
Sealer Boss |
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Product Name |
Slip Not SN-40 |
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Product Type |
Anti-Slip Sealer Additive |
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Composition |
Mineral aggregate |
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Dry Appearance |
Off-white / tan granules |
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Particle Size |
40 mesh, nominal |
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Net Weight |
1 lb / 16 oz / approximately 0.45 kg |
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Sealer Compatibility |
Compatible solvent-based sealers only |
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Application Temperature |
50Β°Fβ95Β°F; also follow the selected sealerβs temperature requirements |
Mixing & Application Overview
- Prepare the surface. Follow the sealer manufacturerβs instructions. The surface must be clean, dry, and free of contaminants.
- Test a small area. Mix a small batch using a compatible sealer and the specified SN-40 dosage. Apply to an inconspicuous area, allow it to dry, and check the appearance and texture.
- Add SN-40 while mixing. Confirm whether the dosage is measured by weight or volume. Measure the required amount and add it while mixing the sealer.
- Mix for 2β3 minutes. Mix thoroughly to distribute the granules evenly.
- Maintain agitation. Keep the mixture agitated during application so the granules remain uniformly suspended.
- Apply the sealer. Follow its application rate and coat requirements. Use equipment suitable for both the sealer and SN-40.
- Allow to dry. Follow the sealer manufacturerβs drying, recoating, and return-to-traffic instructions.
Safety, Storage & Product Documents
- Wear protection: Use gloves and goggles.
- Avoid dust: Avoid breathing dust during handling and mixing.
- Store tightly closed: Keep in the original container in a dry location, away from moisture and direct sunlight.
- Keep out of childrenβs reach.
- Cleanup: Clean equipment immediately with the appropriate solvent for the sealer. Follow applicable disposal requirements.

Frequently Asked Questions
Can I use Slip Not SN-40 in a water-based sealer?
No. SN-40 is intended for compatible solvent-based sealers only. Confirm compatibility with your specific sealer before mixing.
Can I use SN-40 on already sealed concrete?
SN-40 must be mixed into a compatible sealer, not applied alone over an existing finish. Before recoating, confirm compatibility with the existing sealer and follow the required surface preparation instructions.
Will it make the surface slip-proof?
No. SN-40 helps improve traction but does not guarantee a slip-proof surface. Sealer choice, additive dosage, surface texture, water, and contaminants can affect slip resistance.