A roofing Company you can trust in Simcoe County.

Roofs by Welsh is a professional roofing company serving our local community with pride, quality, and craftsmanship for over twenty-six years in Alliston and surrounding areas. We offer roofing products in an array of colours and materials that suit your budget and style.

From the way we treat you, to our meticulous attention to detail, you know we are invested in your project just as much as you are.

Whether you are looking for roof repair or a new roof, Roofs by Welsh is here for you. We are committed to excellence in every job we do. Also, our roofs are installed by our CertainTeed Select ShingleMaster™ roofing team – not sub-contractors.

We use the highest quality roofing materials with one of the best warranties in the business. We are proud to use CertainTeed specially designed for our harsh Canadian weather.

For CertainTeed products please visit www.certainteed.com

Have a roofing emergency? Call 705.794.6939 now!

10-year warranty

We’re proud of our work and stand behind it with a 10-year warranty on all workmanship.

Serving Alliston and surrounding areas for over twenty-six years, we are insured contractors. From repairs to new roofs, Roofs by Welsh has you covered! Our skilled tradesmen have the knowledge to complete your installation on time and within budget.

Certified Installers

Our team of professional installers are highly trained and fully certified.

We are a certified installer for both GAF Certified Master Elite and CertainTeed Select ShingleMaster™.

To become certified as a Certainteed Select ShingleMaster™contractor, a roofing contractor needs to show that they are:
  • Adequately Insured for your protection 
  • Have a Proven Reputation for providing quality roofing services throughout the community 
  • Committed to Ongoing Professional Training to ensure quality installation

As part of the Certainteed ShingleMaster™ we have completed the Certainteed Credential course. We have also signed and agreed to follow the program code of ethics for product selection, installation and maintenance.

Synergy Exteriors provides a maintenance plan to ensure your home is looking and performing its best.

Call or email us for a free, no obligation estimate today!

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CERTIFIED INSTALLERS

Our team of professional installers are highly trained and fully certified.

MASTER ELITE WEATHER STOPPER ROOFING CONTRACTOR

Certified MASTER ELITE by GAF.

10 YEAR WARRANTY

We’re proud of our work and stand behind it with a 10 warranty on all workmanship.

Why we are Different

CERTIFIED INSTALLERS

Our team of professional installers are highly trained and fully certified.

MASTER ELITE WEATHER STOPPER ROOFING CONTRACTOR

Certified MASTER ELITE by GAF.

10 YEAR WARRANTY

We’re proud of our work and stand behind it with a 10 warranty on all workmanship.