Waterproof Deck Patios.
Our flagship service. We install code-compliant waterproofing systems designed for the Pacific Northwest's heavy rainfall and freeze-thaw cycles. Every project is owner-supervised and certified by the manufacturer.
What’s included.
Manufacturer-certified installation (Westcoat, TREMCO)
ICC code-compliant systems
Slip-resistant finishes available
20+ year material lifespan
Owner on every project — no subcontractors
Built on three commitments.
Owner-led
Miguel Altamirano is on every project start to finish. No subcontractors, no surprises.
Certified
Westcoat and TREMCO certified installer. ICC-ES rated systems for code compliance.
Warranty
5-year workmanship warranty plus manufacturer material warranty. Best Price Guarantee.
How it works.
Inspect
Free on-site evaluation of deck condition and substrate.
Specify
Recommend the right system for your structure and use.
Prep
Repair substrate, address drainage, prime surfaces.
Install
Apply membrane system per manufacturer specs.
Industry-leading systems.
Westcoat ALX
TREMCO Vulkem
ICC-ES rated systems
Waterproof Deck Patios FAQ.
Serving waterproof deck patios across the region.
Free estimate
Get your free estimate today.
Tell us about your project. We’ll respond within one business day with a no-pressure, detailed estimate — and our Best Price Guarantee.
- ✓ Free on-site consultation
- ✓ Detailed written estimate
- ✓ Best Price Guarantee
- ✓ Owner-led, no subcontractors