waterproofing

STS Construction Services provides expert waterproofing solutions designed to protect your property from the elements. Our services include deck coating systems, sub-grade foundation sealing, and weather-resistant barrier installations, serving West Seattle and the greater Puget Sound area.

As certified deck coating installers for Gaco Western and Pacific Polymers, we deliver proven systems installed to manufacturer standards for long-lasting performance.

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Specialties:

  • Deck coating

  • LM60 sub-grade coating

  • Cladding systems

  • WRB (weather-resistant barrier)

Empty rooftop terrace with cityscape view, outdoor grill, and stone countertop, under a partly covered wooden ceiling.

Waterproofing Services Backed by 25+ Years Experience

From decks to foundations, our waterproofing solutions help prevent costly water damage and extend the life of your property.

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