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Meet Andrii Lema

Project Coordinator & Estimator | Waterproofing4Less

With nearly a decade of experience in construction and over five years immersed in the waterproofing and drainage industry, Andrii Lema is the force behind seamless project execution at Waterproofing4Less. As our Project Coordinator and Estimator, Andrii ensures that every job—from sump pump installation to full foundation repair—is delivered with precision, transparency, and customer-first service.

🛠 The Bridge Between the Homeowner and the Solution

Andrii wears many hats, but his focus is singular: make the customer feel heard, informed, and protected. He personally manages:

✅ Pre-site consultations
✅ On-site assessments & estimates
✅ Work coordination from start to finish
✅ Ongoing quality control during every phase.
✅ Final inspections and post-job payment collection

From the first handshake to the final walkthrough, Andrii ensures the homeowner understands the cause of their waterproofing issue and the best solution for their budget and long-term protection.

“Every project is unique, and every customer deserves time, care, and a clear explanation. That’s my promise.”
— Andrii Lema

💧 Hands-On Knowledge in Every Service We Offer

Andrii’s in-depth knowledge spans everything related to waterproofing and drain jobs, including:

  • Interior & exterior basement waterproofing
  • Sump pump installation and maintenance
  • Backwater valve setup
  • Full drain system replacement
  • Foundation repair and crack injection
  • Plumbing diagnostics related to wet basements and sewer backups

His field-tested insight means every estimate he provides is realistic, every timeline is honest, and every project is treated as if it were his own home.

🤝 Why Clients Trust Andrii

Whether it’s a small foundation crack or a full drain system overhaul, Andrii believes that trust is built through communication and accountability. That’s why:

🕒 He spends at least 60–90 minutes with every customer during the estimate phase.
💬 He answers all questions patiently, ensuring homeowners feel empowered.
🔍 He personally visits every job site to verify proper execution.
❤️ He treats every home as a priority, not a transaction.

Real Experience. Real Solutions. Real Results.

Andrii’s career has taken him through some of the toughest waterproofing jobs across the GTA—including Toronto, Mississauga, Oakville, Halton, and Hamilton. These aren’t simple fix-and-go projects. They require engineering-level thinking, customer trust, and boots-on-the-ground problem-solving.
Here are just a few real-world examples:

💧 Case #1: Persistent Basement Flooding in Mississauga

A detached home experienced repeated basement flooding due to a misrouted drain system and failing sump pump. Andrii diagnosed the issue during the first site visit—spotting incorrect slope gradients that other companies missed. He coordinated a full drain re-routing, installed a dual sump pump system with battery backup, and waterproofed both interior and exterior walls. The result? A dry basement for the first time in five years.

💥 Case #2: Crumbling Foundation in Oakville

A 1950s bungalow had serious structural risks from an untreated horizontal foundation crack. Andrii not only developed a custom solution involving crack injection, exterior waterproof membrane, and reinforced weeping tile system, but also worked closely with city inspectors to ensure full compliance. His coordination and on-site quality checks helped avoid a $30,000 rebuild for the homeowner.

🚿 Case #3: Backwater Valve Emergency in Hamilton

After a major rainstorm backed sewage into multiple homes, Andrii was called to coordinate emergency installations of backwater valves under tight municipal deadlines. He helped clients fast-track rebates, pulled permits, and scheduled full installations—all within 48 hours, ensuring families were protected from further sewage backups.

🧠 What Makes Andrii Stand Out?

Technical Mastery: He understands every phase of waterproofing—from sump pump systems and drain tile layouts to foundation integrity and flood prevention.
Customer-First Leadership: Every estimate includes 60–90 minutes of personalized consultation. He walks clients through root causes, solutions, pricing, timelines, and city permits or rebates.
On-Site Quality Assurance: He visits job sites during execution—not just before or after—to guarantee nothing is missed, no corners are cut, and the solution works long term.
Problem-Solver Mindset: Andrii believes “There’s no such thing as an unsolvable waterproofing issue—it’s all about the right strategy and relentless attention to detail
Clients often describe Andrii as knowledgeable, detail-oriented, kind, hardworking, and extremely responsive—qualities that make him a vital part of the Waterproofing4Less promise.

“There’s no waterproofing problem we can’t solve. It’s all about applying the right approach, with enough time, care, and serious effort.”
— Andrii Lema

✅ Estimator with Integrity
✅ Expert in Sump Pumps, Drainage & Foundation Waterproofing
✅ Customer Champion

📍 Servicing: Toronto, Mississauga, Oakville, Hamilton, Halton
📞 Book a 1-on-1 consultation with Andrii today—and experience the difference of expert-led, affordable waterproofing.

Blogs

Common Basement Waterproofing Myths That People Still Believe
Backwater Valve Installation in Hamilton: Cost and Benefits
What Homeowners Should Know Sump Pump Replacement Cost
Leaking Basement Wall Repair Cost: What Impacts the Price?
Best Service
  • Basement Waterproofing
  • Sump Pump Installation
  • Backwater Valve Station
  • Drain Repair & Replacement
416‑333‑2212
Phone Number
info@waterproofing4less.ca
Email Address

Frequently Asked questions

What is a sump pump and why is it essential for Toronto homes?

A sump pump is a flood prevention device installed in a sump pit that automatically removes excess water, protecting your Toronto home from basement flooding and structural damage.

Look for signs such as water pooling, persistent dampness, and water stains in your basement—indications that your drainage system is overwhelmed.

Our process includes a detailed site assessment, excavation and sump pit creation, installation of a high-performance sump pump with a secure discharge line, and integration of a battery backup system with rigorous testing.

We install high-performance sump pumps from trusted brands like Zoeller and Liberty, ensuring durability and efficient water removal.

Yes, our systems feature battery backup and optional smart sensors to ensure continuous operation during power outages and extreme weather.

 We adhere strictly to local regulations by conducting comprehensive utility locates (for hydro, gas, Bell, Rogers, etc.) before excavation, ensuring safe and compliant installations.

Our installations come with a robust 25‑year transferable warranty on waterproofing work and a 3‑year manufacturer warranty on our mechanical sump pumps.

 Simply call us at 416‑333‑2212 or email info@waterproofing4less.ca to book your free consultation and receive a customized solution for your Toronto home.

Do you service homes outside Toronto as well?

Yes! We also offer Sump pump Services  in Burlington, Hamilton, Mississuaga and Oakville.

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