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Ignoring Foundation Problems Will Cost You More Than You Think!
Cracks, water damage, and an unstable foundation can significantly reduce the value of your property, making it harder to sell or refinance.
Without proper waterproofing, basements can easily become damp, mold-prone areas that threaten your home’s structure and your indoor air quality.
A basement with low ceilings or poor integrity is often left unused. That’s wasted square footage you could be living in or earning from.
Lower, Reinforce and Protect Your Foundation
At Decon Group, we provide expert-level underpinning to reinforce your foundation, repair damage, and even lower your basement to add more usable height and space.
We also specialize in professional waterproofing solutions to protect your property from water intrusion, mold, and long-term structural damage.
Our services are designed to add both stability and value to your home. Let us help you transform your foundation into a solid base for the future. Book your free consultation today.
How We Get It Done
Basement Lowering
At Decon Group, we use precision underpinning to lower basement floors safely, increasing ceiling height and transforming unused space into functional, livable areas.
Waterproofing
Protect your property from moisture and flooding with our expert waterproofing solutions. We offer both interior and exterior systems, including sump pump installations, to keep your basement dry, safe, and mold-free.
Foundation Crack Repairs
Cracks in your foundation are more than cosmetic—they can threaten your building's stability. Decon Group identifies, repairs, and reinforces cracked areas to maintain long-term structural strength and safety.
Excavation Services
From foundation expansion to basement lowering, our skilled team handles all excavation work with care and accuracy. We ensure your structure stays protected while the groundwork is completed the right way.
- Health and Safety for Workers
- Health and Safety for Supervisors
- Asbestos Awareness
- WHMIS
- Building Codes in Ontario
- Working at Heights
- Elevating Work Platform Training
- Fall Protection
- Workplace Violence and Harassment Prevention
- Forklift Operator Safety
- St. John Ambulance - Emergency First Aid - CPR C - AED
Why Decon Group?
Built on Trust
At Decon Group, we take pride in our work. Every project is handled with care, delivering results that last and service you can count on.
Complete Solutions
From planning to execution, we manage every part of the job to protect and strengthen your property for the long run.
Skilled and Ready
Our experienced crew understands every site is different. We bring smart solutions and expert hands to every project.
latest reviews
“Decon Group took on our interior strip-out with professionalism and speed. What stood out was how clean the site was after demolition. It was ready for our build crew the very next day. These guys don’t just demo—they deliver peace of mind.”
– Sarah M., Mississauga
“I’ve worked with many contractors, but Decon Group really stands out. Their attention to detail and respect for our timelines made a huge difference. They handled the entire exterior tear-down without disrupting our neighboring businesses.”
– Greg L., Vancouver
“We hired Decon Group for a full residential gut job and they absolutely nailed it. From the quote to the cleanup, everything was handled smoothly. I’d recommend them in a heartbeat.”
– Priya K., Brampton
“Honestly the best demo experience we’ve had. The team was communicative, fast, and super tidy. They even handled a last-minute add-on without blinking. Truly professional from start to finish.”
– Michael R., Calgary
“Decon Group came highly recommended and now I see why. They demolished our old retail space and left the site prepped better than we expected. Super impressed with their cleanup and safety protocols.”
– Lina A., Ottawa
“We had a tight deadline and a complex layout, but Decon Group pulled it off without a hitch. From structural removal to final sweep, everything was spot on. These guys are the real deal.”
– James D., New York
Let’s Get Started!
Reach Out
Fill out our contact form or give us a call. We will get back to you quickly to learn about your project and how we can help.
On-Site Evaluation
A project manager will visit your site, review the scope of work, and gather the necessary documentation to move forward.
Request a Quote
Get a Clear Estimate
Within 24–48 hours of the site visit, we’ll send you a detailed estimate outlining costs, timeline, and scope.
Project Execution
Once everything is approved, our team gets to work, arriving on-site on schedule and completing your project with precision and care.