High-quality roofing installation, repair, and replacement. Built to withstand Northern Ontario winters and protect your home for decades.
At Cornerstone Constructs, we install and repair all major roofing systems with expert craftsmanship. From asphalt shingles to metal and flat roofs, we deliver durable, beautiful results you can trust.
Select from Asphalt Shingle, Metal, Flat/TPO, Euroshield, or Repair Only. Not sure which material is best? Read our guide — Guide To Picking Your Roofing Material — for expert advice on durability, cost, and performance. Or contact us directly — we’re the pros and we’re here to help.
Fill out the form below. We’ll provide a clear, no-obligation quote tailored to your roof.
Once confirmed, our team will visit your home to take precise measurements, inspect the current roof, and recommend the best system for your home and budget.
Our certified crew removes the old roof (if needed) and installs the new system with proper underlayment, flashing, and ventilation for maximum protection and longevity.
After confirmation, our team will conduct a detailed on-site inspection. We take precise measurements and discuss all available roofing options to ensure you receive the best solution for your home and budget.
We provide exceptional after-service support long after completion. Our trusted manufacturers back every installation with strong warranties, giving you complete peace of mind.