Deck & Balcony Waterproofing Projects

Westcoat ALX and MACoat systems, membrane replacements, and drainage corrections that stop water before it reaches the framing — project by project.

15+ Years Experience
1,000+ Inspections Done
700+ Properties Served
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Featured Case Studies

Every project below is real work by our in-house crew — inspected, repaired, and signed off under one license. Filter by service to see how we handle jobs like yours.

Multi-Unit Apartment Deck Reconstruction (SB 721 Compliance) — completed project in Sacramento, CA
SB 721 Inspection Structural Repair Waterproofing

Multi-Unit Apartment Deck Reconstruction (SB 721 Compliance)

Sacramento, CA

A failed initial SB 721 inspection uncovered severe dry rot in the cantilevered joists of a 16-unit apartment building. We shored the structure, rebuilt the framing, and waterproofed every deck — then passed all city inspections.

  • SB 721 inspection & written report
  • Structural shoring & selective demolition
  • New pressure-treated framing
  • Westcoat ALX waterproofing system
HOA Balcony Walkway Restoration (SB 326) — completed project in Elk Grove, CA
SB 326 Inspection Waterproofing

HOA Balcony Walkway Restoration (SB 326)

Elk Grove, CA

An Elk Grove HOA's SB 326 inspection flagged failing walkway membranes across three condominium buildings. We restored the waterproofing, replaced corroded railings, and delivered a clean report to the board.

  • Engineer-led SB 326 inspection
  • Walkway membrane replacement
  • Galvanized railing replacement
  • Flashing & drainage correction
Elevated Walkway Waterproofing for a 12-Unit Apartment Building — completed project in Rancho Cordova, CA
SB 721 Inspection Waterproofing

Elevated Walkway Waterproofing for a 12-Unit Apartment Building

Rancho Cordova, CA

Cracked, chalking walkway coatings were letting water into the framing of a Rancho Cordova apartment building. A full Westcoat ALX rebuild sealed the walkways before the damage reached structural members.

  • Moisture survey of all walkways
  • Failed coating removal & surface prep
  • Westcoat ALX multi-layer application
  • Drainage & scupper correction
Condo Balcony Waterproofing & Railing Upgrade (SB 326) — completed project in Citrus Heights, CA
SB 326 Inspection Waterproofing

Condo Balcony Waterproofing & Railing Upgrade (SB 326)

Citrus Heights, CA

After its SB 326 inspection, a Citrus Heights condominium association repaired eight balconies flagged for membrane wear and loose railing posts — completed in one week, documented for the next nine-year cycle.

  • Repair scope from SB 326 findings
  • Membrane replacement on 8 balconies
  • Railing post re-anchoring
  • Sheet-metal flashing replacement

Your Property Could Be Next

From SB 721 and SB 326 inspections to full reconstruction — we handle it all in-house. Get a free compliance check for your property today.

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