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Waterproofing Solutions

AU-1 LAB Liquid Applied Barrier provides permanent protection against moisture intrusion around building openings.
Spray, brush, or roll no primer needed. Meets AAMA 714-22 and ABAA requirements.

Waterproofing Advantages

Superior Moisture Protection

Permanent Protection

Liquid applied barrier technology creates seamless moisture defense

Fast Application

Spray, brush, or roll no primer needed for most substrates

Industry Certified

Meets performance requirements for AAMA 714-22 and ABAA

Prevents Failures

Stops moisture intrusion at critical building openings

Product Solutions

Waterproofing Products

Liquid Applied Barrier

AU-1 LAB

Advanced liquid membrane technology engineered for full-building application, forming a seamless, flexible barrier that protects the entire building envelope against moisture intrusion.

Technical Specifications
  • Meets performance requirements of AAMA 714-22
  • No primer required
  • Adheres to green concrete
  • UV resistant
  • Tested in accordance with ABAA requirements
  • Multiple application methods
  • Compatible with Stucco
  • Paintable
Common Applications
  • Window rough openings
  • Monolithic weather-resistive barrier systems across broad wall surfaces
  • Building penetrations
  • Deck ledger boards
  • Balcony interfaces
  • Roof-to-wall connections
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Acrylic Urethane

AU-1

High-performance construction sealant with exceptional movement capability and waterproofing properties for demanding applications.

Technical Specifications
  • 70% joint movement
  • Superior adhesion
  • Lifetime warranty
  • UV stable
  • Exceeds ASTM C-920 Class 35
  • No primer on most substrates
  • No plasticizers for long-term stability
  • 17 stock colors
Common Applications
  • Expansion joints
  • Perimeter joint sealing for above-grade applications
  • Foundation walls
  • Parking structures
  • Window installation
  • Waterproofing systems for tilt-wall and precast concrete structures
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Hybrid Polymer Sealant

AU-1 Hybrid

Combines the best attributes of polyurethane and silicone for versatile waterproofing performance in a wide range of conditions.

Technical Specifications
  • High movement capability
  • Low VOC
  • Fast cure
  • Durable
  • Paintable
  • Weather resistant
  • Excellent adhesion
  • Wet and cold weather application
Common Applications
  • Moisture prone areas
  • Concrete joints
  • Metal panels
  • EIFS systems
  • Architectural sealing
  • General waterproofing
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Integrated Systems

Complete Waterproofing Systems

Tower Sealants' waterproofing products work together as integrated systems to provide comprehensive moisture protection. From liquid-applied barriers to high-movement sealants, our solutions are engineered to keep water out.

Window & Door Openings

AU-1 LAB creates a continuous moisture barrier around rough openings, preventing water infiltration at vulnerable transitions.

Installation Steps
  • Surface prep
  • Apply AU-1 LAB
  • Install flashing
  • Set window/door
  • Seal perimeter with AU-1
Deck & Balcony Systems

Complete waterproofing for outdoor living spaces using AU-1 LAB at ledger connections and AU-1 for perimeter sealing.

Installation Steps
  • Flash ledger board
  • Apply AU-1 LAB
  • Install membrane
  • Seal penetrations
  • Seal perimeter

Protect Your Building with Tower Waterproofing

Get technical support, installation guidance, and product specifications for your waterproofing projects.