About usProductsAU-1

Latest Innovations in Caulks and Sealants

Unmatched Service and Quality Since 2006

Manufacturer of top quality caulks and sealants developed with the highest quality formulations that deliver productivity and efficiencies to the professional painter.

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Products

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Team Members

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States Served

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The Professional's Choice

Since 2006, Tower Sealants has been the trusted partner for professional painters and contractors who demand nothing less than perfection. Our products are 100% manufactured in the USA with the highest quality formulations.

Our Products

Featured Products

AU-1 is a premium, high-performance waterproof sealant with exceptional adhesion, durability, and UV resistance. Its plasticizer-free formula delivers lasting flexibility in all climates while making application and cleanup fast and easy.

AU-1 Commercial Construction Sealant
AU-1 Commercial Construction Sealant
Sealant

AU-1 Commercial Construction Sealant

Premium elastomeric acrylic urethane with 70% joint movement, 800% elongation. Lifetime warranty. 17 colors available.

AU-1 Hybrid
AU-1 Hybrid
Hybrid

AU-1 Hybrid

Silyl-terminated polyether technology. Water-ready and paintable in 1 hour. Applies down to 21°F.

Tower Tech 2
Tower Tech 2
Sealant

Tower Tech 2

Urethane modified acrylic. 800% elongation, 50% joint movement. Won’t yellow. Lifetime warranty.

AU-1LAB Liquid Applied Barrier
AU-1LAB (Liquid Applied Barrier)
Barrier

AU-1LAB (Liquid Applied Barrier)

High-performance elastomeric liquid weather resistive barrier. Spray, brush, or roll. No primer needed.

Commercial and Industrial Applications:

Applications for AU-1 sealants in construction include:
  • Windows & Door Installations
  • Concrete Panel Joints
  • Restoration
  • Tilt-up Waterproofing
  • Expansion Joints & Control Joints
  • Siding Installation
  • Soffit & Flashing
  • Precast Units
  • EIFS
AU-1 sealant can be ordered and shipped in the following sizes:
  • 10.1 oz. cartridge
  • 20 oz. sausage
  • 2 gal. or 5 gal. pail

Available in 13 Standard colors

Window & Door:

Commercial Construction Sealants:

Specifications:


ASTM C-920 Class 25

ASTM C-834 -18ºC

Fed Spec TTS-00230C

TCBSAT-30*

Meets physical requirements of AAMA 808.3

Get the Sealant Comparison Matrix

Looking for a waterproof elastomeric sealant built for commercial teams? Provide your details to see how top commercial sealants rate on movement capability, substrate needs, and availability.

Ready to Start?

Whether you need product recommendations, technical support, or want to become a distributor, our team is ready to help.

tech@towersealants.com

(866) 897-7568

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2095 Memorial Park Dr, Gainesville, GA 30504

Tower Sealants © 2025

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