Ready to save time with AU-1?

AU-1 COMMERCIAL CONSTRUCTION SEALANT

Introducing AU-1, a premium quality, high performance, waterproof, elastomeric sealant. It’s easy to apply, tool, and clean up, saving you time and money. AU-1 has excellent adhesion, durability, and UV resistance. It’s plasticizer-free formula maintains high elasticity and adhesion in all climates. When you need solid gold performance, choose AU-1.


 Industry leading durability

Exceptional resistance to weathering, UV rays, yellowing & extreme joint movement

No priming required for most substrates

50% joint movement (± 25%) & 800% elongation

Simplified application & cleaning process saves time & money

Excellent for painting

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

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Tower Sealants © 2025

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2095 Memorial Park Rd. Gainesville, Georgia 30504

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