Roofing Services St. Marys

There is nowhere quite like St. Marys in Southwestern Ontario. Nicknamed "Stonetown" for the striking limestone buildings that define its downtown core, this Perth County gem sits at the junction of the Thames River's north and south branches, creating a picturesque setting that draws visitors and new residents alike. The same local limestone that gives the town its character also influenced the residential architecture — many of St. Marys' heritage homes feature limestone accents, steep Gothic-revival rooflines, and decorative gable work that demands careful treatment when roofing work is required. Beyond the historic core, comfortable mid-century neighbourhoods and newer developments round out a housing market that serves families, retirees, and commuters heading to Stratford or London. 519 Roofing provides roofing services in St. Marys with a genuine appreciation for what makes this town special. We approach every project here knowing that the roof we install or repair will be part of a community that takes visible pride in its built environment. The local climate is typical of inland Southwestern Ontario — cold winters with heavy snowfall, warm humid summers, and transitional seasons that bring strong winds and hail-producing thunderstorms. Our material selections and installation practices reflect these conditions.

Roof Replacement St. Marys

St. Marys' heritage properties present some of the most rewarding — and technically demanding — roof replacement work in our service area. These homes often feature complex roof geometries with multiple valleys, dormers, turrets, and steep pitches that require experienced crews comfortable working at height on intricate structures. The aesthetic standards in Stonetown are high, and the shingle colour, profile, and texture must complement the limestone and brick facades that give these homes their stately presence. Our team takes the time to present material samples in the context of the home's exterior, helping homeowners make choices they will be happy with for decades. For St. Marys' more conventional housing stock, replacement typically follows the natural lifecycle of aging shingles — granule loss, curling, and reduced weather resistance that signal the end of the roof's useful life. We strip to bare deck, inspect and repair as needed, install ice-and-water shield and premium underlayment, and apply the chosen finish material using manufacturer-specified techniques. Our roofing services in St. Marys consistently produce results that protect the home and enhance its appearance, and every project is backed by warranties registered with the manufacturer. As Euroshield notes, choosing a preferred installer ensures your warranty is fully honoured — and that is precisely what we provide.

Roof Repair St. Marys

The heritage homes that define St. Marys also tend to develop repair needs that differ from those of newer construction. Older chimneys with deteriorating mortar caps allow water behind flashings. Ornamental woodwork at gable peaks and eave returns can trap moisture and cause localized rot that affects the roofing above. And the steep pitches common on Gothic-revival homes in Stonetown create ice-dam conditions along lower valleys during winter thaws. 519 Roofing's roof repair services in St. Marys address all of these issues with precision and care. We also handle the more routine problems — wind-damaged shingles, failed rubber boots around plumbing stacks, and leaking skylights — that affect homes of every age and style. Our repair inspections are comprehensive, examining not just the area of concern but the broader roof condition, so you receive an accurate picture of where things stand. Roofing services in St. Marys demand a contractor who respects the character of these buildings, and our team approaches heritage work with the patience and skill it requires. When a repair is the right call, we execute it to the highest standard; when the evidence suggests replacement, we explain our reasoning clearly.

Roofing Materials We Install

St. Marys homeowners benefit from 519 Roofing's curated selection of premium materials. Asphalt shingles from Owens Corning are available in profiles and colours specifically suited to heritage and traditional home styles, including the deep earth tones and slate-look options that pair beautifully with Stonetown's limestone facades. Metal roofing provides an extremely durable alternative, with panels roll-formed on-site for a precise fit on St. Marys' often-complex rooflines. Euroshield rubber roofing offers Class 4 hail resistance and an eco-friendly profile, appealing to homeowners who want performance and sustainability in one product. Professional skylight installation is also available, adding natural light while maintaining a watertight seal — particularly valuable in St. Marys' charming but sometimes dimly lit older homes.

About 519 Roofing

Since 2009, 519 Roofing has completed more than 2,500 roof installations across Southwestern Ontario, earning Owens Corning Preferred Contractor and Euroshield Preferred Installer certifications along the way. These designations are not simply labels — they reflect verified standards of workmanship, business practices, and customer satisfaction. In St. Marys, we are proud to be the contractor homeowners trust with some of the region's most beautiful and historically significant properties. Learn more about our values and experience on our about page.