Waterproofing Specialists

Western Sealant Company has been installing waterproofing systems and joint sealant systems on commercial projects throughout Arizona since 1986.

Need bid information, please contact our estimating department directly at:

Sevices Offered for Commercial Projects:

Below-Grade Waterproofing

  • Sheet waterproofing systems (peel and stick membrane)
  • Fluid-applied rubber waterproofing systems
  • Bentonite waterproofing systems
  • Crystaline waterproofing systems (water features)

Above-Grade Waterproofing

  • Air and vapor barrier systems


  • Installation of dampproofing systems to retaining walls and foundation walls.

Deck Coating Systems

  • Elastomeric pedestrian deck coating systems
  • Traffic Coating Systems
  • Split-slab waterproofing systems

Caulking / Joint Sealants

  • Concrete Pavement Joints
  • Tilt-up and pre-cast concrete expansion joints
  • Masonry Control Joints
  • EIFS & stucco expansion joints and termination joints
  • Aluminum, hollow metal, wood door and window frame perimeters
  • Joints at dissimilar materials
Fire-Rated Joint Systems
  • Expansion and construction joints in fire-rated partitions
  • Head-of-wall joints
  • Expansion Joints
  • Construction gaps
  • Through-penetrations

Expansion Joint Systems

  • Seismic Joints
  • Building Expansion Joints

Log Chinking

  • Textured chinking for heavy timber siding and log joints

Types of Projects:

  • Education / Schools / Universities
  • Shopping Centers
  • Parking Garages
  • Warehouses / Distribution Centers
  • Detention Facilities
  • Apartment Buildings / Condominiums
  • Hospitals / Medical Facilities
  • Office Buildings
  • Hotels
  • Restaurants
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