Max* Shield Ultra Seal Sealant


Product Details

  • Best-in-class performance1
  • 100% waterproof
  • Lifetime mold-free product protection2
  • Stretches over 500%3
  • Paintable
  • Low odor
  • Exceeds ASTM C-920
  • Lifetime guarantee4

Product Colors

Max Shield Ultra Seal sealant is a premium, advanced polymer acrylic latex sealant ideal for paint projects susceptible to humidity and moisture. This extremely flexible sealant can withstand movement and is able to stretch over 500%3. Formulated with Tri-Shield Protection, this sealant is 100% waterproof, offers excellent adhesion and flexibility and lifetime mold-free product protection2.

Adheres to: common kitchen and bath materials including most metals, plastics, woods, glass, drywall, plaster, granite, cultured marble, porcelain tile, natural stone, cement board, composites, Formica, fiberglass, aluminum and painted surfaces

For additional information, see product label.

1Based on comparison of publicly available manufacturing specifications, white product meets or exceeds the flexibility of any ASTM C-920, CLASS 12.5 or lower commercial Kitchen & Bath siliconized acrylic sealant, and clear product meets or exceeds the flexibility of any ASTM C-920, CLASS 35 or lower commercial Kitchen & Bath siliconized acrylic sealant.
2Cured caulk is resistant to stain-causing mold and mildew. Regular cleaning of caulk is required however, as soap and other residue can cause secondary mold and mildew growth.
3Based on ASTM C-920, TYPE-S, NS, CLASS 12.5 analysis, product can span gaps of up to 1/2" x 1/2" with over 500% stretch and 12.5% joint movement.
4Manufacturer warrants that this product, when handled and used as directed, will meet the above specifications for as long as you own your home. If not satisfied, return proof of purchase for refund. This is the sole and exclusive remedy and Manufacturer shall not be liable for any damages in excess of the purchase price. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS. 
  1. Remove dirt, grease, moisture, soap residue & old sealant from area to be sealed.  Use backer rod for gaps larger than 1/2" x 1/2".  
  2. Cut nozzle to obtain desired bead size.
  3. Using caulk gun, apply caulk into gap. Apply above 40°F (5°C).
  4. Smooth or “tool” the caulk into gap within 3-5 minutes.
  5. Clean-up with a damp, disposable cloth; do not rinse.
  6. Protect from moisture for at least 24 hours for proper drying.
Exceeds ASTM C-920, Class 12.5 Grade NS, TT-S-00230C, Type S, Class B test requirements. Exceeds ASTM C-834, Type-OP, NS Grade -18°C test requirements.

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