Flat Roofing

Reliable Flat Roofing Solutions Built to Last

Professional flat roof installation, repair, replacement, and maintenance for residential and commercial properties. Backed by over 30 years of family-owned experience and a commitment to quality craftsmanship. efficiently to complete every project safely, on schedule, and to the highest standards.

Expert Flat Roofing Services

Flat roofing systems require specialized knowledge, proper drainage planning, and expert installation techniques to ensure long-term performance. At Guaranteed Roofing & General Contracting Inc., we provide dependable flat roofing solutions designed to withstand Ontario’s changing weather conditions.

Whether you need repairs for leaks and pooling water, a complete roof replacement, or preventative maintenance, our team delivers honest recommendations and quality workmanship every step of the way.

Flat Roof Installation

We install durable, high-performance flat roofing systems for new construction projects, additions, garages, and commercial buildings.

Flat Roof Replacement

If your flat roof is aging, leaking, or showing signs of failure, we provide complete tear-offs and replacement solutions tailored to your property and budget.

Flat Roof Repairs

From leaks and membrane damage to flashing issues and pooling water, we quickly diagnose and repair flat roofing problems before they worsen.

Flat Roof Maintenance

Routine maintenance can significantly extend the lifespan of your flat roof and help avoid costly repairs.

Flat Roof Inspections

We offer one-time or seasonal inspections to ensure your flat roof is performing properly.

Flat Roof Emergency Service

Fast response for unexpected flat roof leaks and storm damage.

Why Choose Guaranteed Roofing?

  • Serving Our Community for Over 30 Years
  • We Do Our Own Work – No Subcontractors
  • Fully Licensed & Insured
  • Family Owned & Operated
  • Award-Winning Service
  • Personal, Hands-On Approach

Questions About Flat Roofing? We Have Answers.

How do I know if my flat roof needs repairs or replacement?

Minor leaks or isolated damage can often be repaired, while widespread deterioration or repeated leaks may indicate replacement is the better long-term option.

Yes. Regular inspections and maintenance help prevent drainage issues, leaks, and premature wear.

The best system depends on your building, budget, drainage, and long-term goals. We help you choose the right solution for your property.

We recommend a professional roof inspection at least once a year, and after any major storm. Regular seasonal checks are especially helpful in Ontario’s changing weather conditions.

Yes. We provide emergency roof repair for storm damage, active leaks, and urgent roofing issues to help protect your home or business and prevent further damage.

Immediately. Even small leaks can lead to mold, insulation damage, and structural issues if left untreated. Fast repairs help reduce long-term damage and cost.

We focus on long-term solutions, not quick fixes. With over 30 years of experience, we provide honest assessments, quality workmanship, and dependable service backed by a family-owned reputation.

Guaranteed Quality. Trusted Protection.

Whether you need repairs, replacement, or a full inspection, our team is ready to help.

Call or email us today to discuss your commercial roofing needs.