Roof Sealant: SeamStitch Silicone Caulk 5g —
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Use coupon code WELCOME and get 15% off your first order.
Use coupon code WELCOME and get 15% off your first order.

SeamStitch Silicone Caulk 5g

by Lexis
Save 6% Save 6%
Original price $420.00
Original price $420.00 - Original price $420.00
Original price $420.00
Current price $394.00
$394.00 - $394.00
Current price $394.00

SeamStitch Silicone Caulk is a solvent-based, single-component, moisture-cure, high-solids silicone caulk. 


  • Primary Use: Ideal for sealing around pipe boots, seams, curbs, flashing, penetrations, and fasteners.
  • Secondary Use: Useful for spot repairs on our silicone roof coating system.


  • Exceptional Weathering Characteristics: Forms a breathable membrane that prevents moisture entrapment and premature roof failure.
  • Long-Term Durability: Offers superior longevity compared to acrylic caulks, ensuring lasting protection.
  • Unaffected by Ponding Water: Provides reliable performance even in areas where water tends to accumulate.
  • Safe for Potable Water: May be used for potable rainwater catchment applications, ensuring safety and compliance.
  • Ready to use; do not thin. Ensure thorough mixing before application.
  • Apply to a clean, dry roof surface free of oil, grease, dirt, or loose coatings. Bare surfaces must be prepared and compatibility checked.
  • Follow our roof restoration procedures and conduct an adhesion test prior to full application.
  • Allow 24 hours between coats.
  • Equipment required: putty knife, bulk loader, sausage gun.
  • Do not apply within 3 hours of sunset, if rain is expected, or when the temperature is 45 degrees and falling.
  • Clean Up: Xylene
  • Color: White, Medium Gray, Dark Gray
  • Elongation: 275% (ASTM D-412)
  • Reflectivity: Not specified directly
  • VOC: Less than 50 grams per liter (EPA Method 24)
  • Solids by Volume: 95% ± 3 (ASTM D-2697)
  • Shelf Life: 12 months at 50°F to 85°F

    Technical Data Sheet

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