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Contractor-Focused Masonry Supply — Delivered Nationwide

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3Gen Masonry Products GENFLASH® Sealant 1 Quart Tube – Hybrid Sealant & Adhesive for Flashing and Waterproofing (12 Tubes/Box)

SKU GENFLASHSEAL1QT
Original price $230.76 - Original price $230.76
Original price
$230.76
$230.76 - $230.76
Current price $230.76
12.0qt | $19.23 / qt
Request a quote

GENFLASH® SEALANT PROVIDES A DURABLE, FLEXIBLE, AND WEATHER-RESISTANT SEAL FOR FLASHING, WATERPROOFING, AND GENERAL CONSTRUCTION APPLICATIONS

GENFLASH® Sealant is a one-part, 100% solids, moisture-cure silyl-terminated polyether designed for industrial and construction use. This hybrid sealant and adhesive offers long-term flexibility without shrinking or cracking, making it ideal for demanding indoor and outdoor applications. It provides excellent resistance to UV degradation and yellowing, and can be applied to wet or damp substrates, including in humid environments. GENFLASH® Sealant is immediately rain-ready and will even cure underwater, delivering reliable performance in challenging jobsite conditions.

FEATURES

  • One-Part, 100% Solids Hybrid Sealant And Adhesive
  • Moisture-Cure Formula Will Not Shrink Or Crack
  • Excellent UV Resistance And Long-Term Durability
  • Can Be Applied To Wet Or Damp Surfaces
  • Immediately Rain Ready And Can Cure Underwater
  • Mold And Mildew Resistant
  • Paintable With Most Latex Paints
  • Low Odor And VOC Compliant

USES

  • Flashing And Waterproofing Applications
  • Masonry And Building Envelope Sealing
  • Joint Sealing And Adhesion
  • Window And Door Perimeters
  • Interior And Exterior Construction Applications

SIZES / OPTIONS

  • Size: 1 Quart Tube
  • Packaging: 12 Tubes Per Box
  • Type: Hybrid Sealant / Adhesive

SPECIFICATIONS

Property Value
Base Silyl-Terminated Polyether (STPE)
Cure Type Moisture Cure
VOC Compliant
Paintability Yes (Latex Paints)

 

SEALANT COVERAGE CHART (30 FL. OZ. TUBE)

Depth 1/8" 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1"
1/8" 287 144 96 72 58 48 41 36
1/4" 72 48 36 28.5 24 20.5 18
3/8" 11 8 6.5 5.5 4.5 4
1/2" 6 5 4 3.5 3

 

CONFORMS, MEETS & EXCEEDS

  • ASTM C920, Type S, Grade NS, Class 25 (Uses NT, T, M, G, A&O)
  • ASTM E84, Class A (Flame Spread: 0, Smoke Developed: 0)
  • CARB & SCAQMD Compliant
  • California Proposition 65 Compliant
  • USDA Requirements For Non-Food Contact

COMPATIBILITY

Compatible with all 3GEN Flashing Products and Accessories.

RESOURCES

Call Us

+1 (833) 246-3900

Email Us

sales@masonrydirect.com

Chat With Us

We reply instantly

Free Shipping

On orders over $2,500

FAQ

How do I track my order?

Once your order ships, you will receive a shipping confirmation email with your tracking number and carrier details.

You can also track your order anytime by visiting our tracking page below and entering your order information:

👉 https://www.masonrydirect.com/apps/tracking

If you have trouble locating your tracking information, please contact our support team with your order number and we’ll be happy to assist you.

Do you offer free freight?

Yes, we offer free freight on orders over $2,500.

How long does shipping take?

Most orders ship and deliver within 4-8 business day.

Can I order in bulk or wholesale quantities?

Yes. We specialize in bulk and wholesale orders. Use our Wholesale Order form or request a quote.

Can you help me choose the right product?

Yes. Our team can review specs and recommend the correct product for your project.

Who do I contact with questions?

Call (833) 246-3900 or email sales@masonrydirect.com.