Rated 5/5 stars on Google

Miami's Commercial Waterproofing Experts

Expert commercial waterproofing services for condos, commercial buildings, multi-family properties, and more.

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Quality isn’t a claim – it’s guaranteed. Every Mersco project is backed by a 1-year workmanship warranty, giving you confidence that the work is done right and built to last. From the first detail to final completion, we stand behind our work.

30+ Years In Operation!

Our Clients

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From Quality Inn to Hilton Hotels and beyond, our team has executed large-scale repaint and restoration programs across South Florida.

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3+ Decades Of Quality

Commercial Properties We Service

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Get your free project quote here!

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Our work speaks for itself

Waterproof Coatings Done Right The First Time

Water intrusion is one of the most expensive and overlooked threats to commercial properties in South Florida. Our commercial waterproofing systems are engineered to protect exterior walls, balconies, concrete structures, and expansion joints from moisture penetration, corrosion, and long-term structural damage.

Here's who we work with every single day

Our team understands moisture intrusion risks, active job sites, tenant coordination, and inspection-ready building envelope systems. We deliver organized scopes, defined timelines, and professional crews you can trust to protect your property.

Property Managers

Prevent costly water damage with proactive waterproofing and scheduled maintenance.

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HOA / COA Boards

Protect residents and avoid special assessments caused by structural moisture damage.

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Property Owners

Extend asset lifespan and reduce expenditures with preventative waterproofing.

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General Contractors

Reliable waterproofing crews that integrate seamlessly with restoration projects.

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Quality first, satisfaction guaranteed

Comprehensive Commercial Waterproofing Solutions

From crack repair to waterproof coating systems, we deliver coordinated solutions that protect your structure and extend the life of your building.

Exterior Wall Waterproofing

Elastomeric coatings designed to seal hairline cracks and prevent moisture intrusion in stucco, CMU, and concrete facades.

Expansion & Control Joint Sealants

Professional joint sealing to maintain building envelope integrity and prevent water infiltration.

Garage & Podium Deck Waterproofing

Moisture control solutions for high-exposure horizontal surfaces.

Balcony & Walkway Waterproofing

Traffic-bearing systems engineered for multi-family properties to prevent slab deterioration and corrosion.

Concrete & Stucco Waterproofing

Crack repair, surface prep, and high-performance protective coatings that extend structural life.

Doors & Windows

Waterproof transitions around penetrations to ensure long-term protection.

We Make Your Waterproofing Project Simple From Start to Finish

01
Site Walk

We evaluate existing coatings, crack conditions, joint failures, and moisture intrusion risk areas.

02
Transparent Proposal

Transparent scope outlining prep work, materials, system specs, and timelines.

 

03
Schedule Plan

Phased implementation to minimize tenant disruption and maintain safety compliance.

04
Execution + Walkthrough

Quality inspection and documentation to ensure complete building envelope protection.

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FAQs

How do I know if my building needs waterproofing?

Signs include stucco cracking, interior moisture stains, spalling concrete, failed joint sealants, and recurring water intrusion after heavy rain.

No. Our systems focus on exterior walls, balconies, walkways, and structural concrete. Roofing systems are separate.

Yes. For retail, hospitality, and office environments, we coordinate after-hours or low-traffic scheduling when needed to reduce operational impact.

Yes. We carry appropriate commercial insurance and can provide certificates of insurance and documentation as required by property managers, HOAs, or general contractors.

Properly installed elastomeric systems can last 10-15 years depending on exposure and maintenance.

If additional repairs are identified during preparation, we document the condition and provide written recommendations before proceeding. Nothing is added without review and approval.

Request a Free Site Walk & Project Quote

Schedule an on-site evaluation and receive a clear, written proposal for your project. We respond quickly to coordinate next steps – no spam, no pressure, just professional communication.

Waterproof Coatings & Building restoration

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Building renovation & restoration

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Concrete Repair & Building restoration

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Commercial painting & restoration

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