Commercial Waterproofing for Texas Multifamily Buildings
Membrane, flashing, and barrier systems for condos, apartments, and commercial buildings across Texas
Water that gets past a building’s waterproofing does its damage out of sight, in slabs, walls, and the units below. Shepperd Construction provides commercial waterproofing for multifamily and commercial properties across Texas, repairing and replacing the membranes, flashing, and barriers that keep water out of the structure.
- Systems Built to the Detail
- Actionable Cost of Repair Estimates
- No-Obligation Consultation
Commercial waterproofing is the set of membranes, coatings, flashing, and barriers that stop water from passing through a building’s decks, walls, and below-grade structure. Unlike a roof, much of it is hidden under finishes, so failures are usually found by the damage they cause below.
Most Failures Happen at the Edges
Waterproofing membranes rarely fail in the middle of a field. They fail at terminations, drains, penetrations, and the transitions between one system and another, where a deck meets a wall or a membrane meets a door threshold. Those are the details that need the most care and often got the least during original construction.
Our crews repair and replace waterproofing with those transitions in mind. Where the failure is part of a wider wall problem, we coordinate with building envelope repair so the systems lap into each other correctly.
Transition Details First
Terminations, drains, and penetrations get the most attention, because that is where water gets in.
System Compatibility
New membranes are tied into existing flashing and barriers so the systems work together.
Occupied-Site Work
Work is phased so residents and tenants keep using the building throughout.
Signs of Waterproofing Failure
Waterproofing problems usually show up below or behind the failed area. Watch for:
- Water in the wall or ceiling below a deck, plaza, or walkway
- White efflorescence or rust streaks on concrete
- Ponding water that will not drain from a deck or plaza
- Cracked or delaminating deck coatings
- Leaks at door thresholds that open onto decks
- Damp or musty below-grade rooms and parking levels
- Water damage that returns after surface repairs
Parking structures are a common trouble spot. See why a condo parking garage floods when it rains.
Deck, Plaza, and Below-Grade Systems
Our waterproofing contractor work covers three main areas. On decks, walkways, and plazas over occupied space, we replace failed traffic coatings and membranes and rebuild drains and edge details. On walls, we repair flashing and barrier systems at transitions and penetrations.
Below grade, waterproofing protects parking levels and lower floors from groundwater and surface water. Balcony work is covered under balcony repair, and waterproofing tied to settlement under commercial foundation repair.
Who We Work With on Waterproofing
Waterproofing projects affect boards, managers, and the engineers who design the repair.
Property Managers & Boards
Clear scopes, resident notices, and one point of contact. See our HOA work.
Forensic Engineers
Repairs built to your details, with field conditions reported as they are uncovered.
Owners & Asset Managers
Priced scopes for capital planning on one building or a portfolio.
Commercial Waterproofing Services
Most waterproofing projects combine several of these scopes under one schedule.
Deck & Plaza Membranes
Membranes and traffic coatings over occupied space repaired or replaced.
Walkways & Breezeways
Elevated walkways recoated and detailed at edges and drains.
Below-Grade Waterproofing
Walls and slabs protected against groundwater and surface water.
Flashing & Barriers
Wall flashing and water-resistive barriers repaired at transitions.
Drains & Terminations
Drains, edges, and membrane terminations rebuilt where leaks start.
Penetration Sealing
Pipes, posts, and anchors through membranes sealed and flashed.
Sealant Joints
Expansion and control joints sealed to move with the structure.
Water Testing Support
Flood and spray testing coordinated to confirm the repair holds.
How a Waterproofing Project Runs
Each project follows the same sequence, from finding the failure to confirming the fix.
We inspect the affected areas and review any engineer findings or reports.
You receive a defined scope and cost, separating urgent work from planned work.
Crews remove failed systems and install new ones area by area, around residents.
Where specified, repaired areas are water tested before closeout.
Why Boards Trust Shepperd With Waterproofing
- 12 Years of Experience
- 500 Projects Completed
- Offices in Dallas, Austin & San Antonio
- 100% Licensed & Insured
Commercial Waterproofing Across Texas
Dallas
Deck, plaza, and below-grade waterproofing across Dallas and the DFW Metroplex.
Fort Worth
Waterproofing for multifamily and commercial buildings across Tarrant County.
Austin
Waterproofing systems for condos and apartments in Central Texas.
San Antonio
Waterproofing on stucco and EIFS buildings across San Antonio and South Texas.
Related Services
Waterproofing connects to several other repairs. These services cover the most common ones.
Water Intrusion Testing
Controlled testing that finds where rainwater enters before a repair is scoped.
Frequently Asked Questions
A commercial waterproofing contractor repairs and installs the membranes, coatings, flashing, and barriers that keep water out of decks, walls, and below-grade spaces. On occupied buildings, that also means phasing the work, protecting the units below, and tying new systems into existing ones.
Look below and behind. Water in ceilings under decks or walkways, efflorescence or rust streaks on concrete, ponding that will not drain, and damp lower levels are the usual signs. When the source is unclear, water intrusion testing pinpoints it.
Damp-proofing slows moisture moving through a wall or slab. Waterproofing is designed to stop liquid water, including water under pressure, from getting through. Areas over occupied space and below the water table need true waterproofing.
Local failures at drains, edges, and penetrations can often be repaired. When a membrane or coating is failing across a whole deck or plaza, replacement is usually more cost-effective than chasing leaks one at a time.
Garage leaks usually come from failed traffic coatings, cracked concrete, joints that have lost their sealant, or drains that cannot keep up. Our parking garage repair service covers the structure and the drainage together.
Yes. We phase decks, walkways, and garage areas so residents keep access, give notice before work reaches their area, and keep the units below protected while membranes are open.
Cost depends on the area, the system specified, how much substrate repair is needed under the old membrane, access, and phasing. We inspect first and price a defined scope.
We serve properties across Texas, with teams in Dallas, Fort Worth, Austin, and San Antonio.
Keep Water Out of the Structure
Tell us where water is getting through
Share the property type, the areas affected, and any engineer reports you have. We will inspect it and give you a clear scope and cost. Prefer to talk first? Use our contact page.
- Systems Built to the Detail
- Actionable Cost of Repair Estimates
- No-Obligation Consultation