FAQ - Big City Roofing

What roofing materials do you install in Ottawa?

We install asphalt shingles, metal tiles, aluminium shingles and standing seam roofing for residential and commercial properties.

Our team will walk you through the options during a no-obligation estimate visit so you can make a confident decision based on your specific roof geometry and long-term goals.

How long does a full roof replacement typically take?

Most residential asphalt shingle roofs are completed in one to two days. Metal roofing typically takes two to four days depending on the panel system chosen and roof complexity.

Larger homes, steep pitches, or roofs with multiple valleys and dormers will naturally take a bit longer. We'll give you a realistic project timeline during the estimate.

Do you offer financing options for roofing projects?

Yes. We work with third-party financing partners to offer flexible payment plans for eligible homeowners. Options typically range from 12 to 60 months with competitive interest rates.

Ask about financing during your free estimate and we'll send you the application details. Approval is usually confirmed within 24 hours.

What warranties do you provide on your work?

We provide a 10-year workmanship warranty on all roof installations. This covers defects in our labour — improper flashing, failed seams, or installation errors.

Additionally, material warranties from manufacturers range from 25 years to lifetime coverage depending on the product. We'll explain both warranties in writing before any work begins.

Can you work directly with my insurance company?

Yes. We're experienced with storm damage claims and can provide detailed documentation — photos, scope of work, and itemized estimates — that your insurer requires.

We'll coordinate directly with your adjuster when needed to help move the claim forward without added stress on your end.

Do you tear off the old roof before installing a new one?

In most cases, yes. A full tear-off allows us to inspect the decking and replace any rotted or damaged sheathing before laying new underlayment and shingles. It also ensures the best possible warranty coverage from the manufacturer.

In specific situations a re-roof over existing shingles is acceptable — we'll let you know if your roof qualifies.

How do I know if I need a full replacement or just repairs?

Key indicators for replacement: shingles are curling, cracking, or missing in large areas; the roof is over 20 years old; granule loss is significant; or there are multiple areas of water infiltration.

If damage is limited to one section and the rest of the roof is in good condition, targeted repairs are often the smarter investment. Our inspectors will give you an honest assessment — not a sales pitch.

What's the best time of year to replace a roof in Ottawa?

Late spring through early fall is the ideal window — warmer temperatures help shingles seal properly and dry conditions reduce delays. Late August to October is our busiest season for good reason.

That said, we do complete roof replacements in winter when the temperature stays above −10°C. We use cold-weather adhesives and follow manufacturer guidelines to ensure a durable result year-round.

Are you licensed, insured, and WSIB-compliant?

Yes on all counts. Big City Roofing holds a valid Ontario contractor licence, carries comprehensive general liability insurance (minimum $2M), and all crews are covered by WSIB.

We're happy to provide certificates of insurance before any project begins. Working with a fully compliant contractor protects you from liability in the event of an on-site injury.

How do I know if I need roof repair or replacement?

Localized damage may be repairable if the surrounding system remains sound. Widespread deterioration or structural damage may require replacement. An inspection can determine which is appropriate.

How quickly should I address a leaking roof?

Active water intrusion should be addressed promptly. Delaying leaking roof repair can allow moisture to affect decking, insulation and interior finishes.

Can you repair a metal roof?

Yes. Metal roof repair can address localized damage to panels, shingles, fasteners, flashing and other components.

Is emergency roof repair available after a storm?

Significant storm damage or active leaks may require emergency roof repair services to limit further water intrusion.

How is a roof repair estimate determined?

A roof repair estimate depends on the material, accessibility and extent of damage. An on-site assessment is more reliable than a generic price per square foot.

What is the best siding for an Ottawa home?

There is no universal best material. The choice depends on the building, climate exposure, budget, maintenance, and desired appearance.

Is vertical siding suitable for a Canadian climate?

Yes, when the product is climate-appropriate and installed according to manufacturer requirements.

Is board and batten siding expensive?

The board and batten siding cost depends on the material, wall area, building complexity, trim, removal, and labour.

How long does siding installation take?

The timeline depends on building size, existing siding, weather, substrate condition, material, and architectural details.

Should old siding always be removed?

Not necessarily. The decision depends on the existing material, wall condition, manufacturer requirements, local code, and proposed system.

How often should soffit and fascia be replaced?

There is no fixed interval. Service life depends on material, installation, moisture and maintenance. Sagging, gaps or visible deterioration indicate that an inspection may be needed.

Is vinyl soffit a good choice for an Ottawa home?

Vinyl soffit can be a practical choice when suited to the home's exposure, ventilation and exterior design.

Can soffit and fascia be repaired instead of replaced?

Yes. Fascia and soffit repair can work for localized damage when the underlying structure remains sound. Widespread deterioration may require replacement.

Should soffit and fascia be replaced with siding?

Not necessarily. Coordinating vinyl siding soffit installation with exterior work can create cleaner transitions and prevent new materials from being fitted around damaged trim.

How can I get an accurate soffit and fascia cost?

An on-site assessment provides the most accurate estimate. Big City Roofing evaluates the roofline, materials, access, ventilation and potential repairs.

What is a house wrap?

A house wrap is a weather-resistant membrane installed behind exterior cladding to help control rainwater and protect the wall assembly.

Is waterproof house wrap necessary?

A water-resistant membrane is an important part of many wall assemblies, but its performance depends on correct installation and integration with flashing and cladding.

Can house wrap be installed over existing siding?

It depends on the wall assembly and project scope. In many cases, proper installation requires removing the existing cladding to access and correctly detail the wall.

Does house wrap replace insulation?

No. House wrap and insulation perform different functions. The membrane helps manage water and, depending on the product and assembly, may contribute to air-control performance; insulation provides thermal resistance.

What is a roof flashing?

Roof flashing manages water around vulnerable areas such as edges, valleys, walls, chimneys and penetrations, directing it away from joints and the building assembly.

How long does roof flashing last?

Its lifespan depends on the material, installation quality, weather exposure, roof movement and maintenance. Corrosion and damaged joints can reduce performance.

Can roof flashing stop a leak?

Proper flashing can prevent water intrusion, but an existing leak requires diagnosis because water may travel from the actual entry point.

Does a metal roof need flashing?

Yes. Metal roofs require flashing around walls, chimneys, valleys, vents, edges and other transitions, with details suited to the specific roofing system.

Should flashing be repaired or replaced?

Localized damage may be repairable. Severely corroded, displaced or incorrectly installed flashing may require replacement or redesigned detailing.

How often should eavestroughs be cleaned?

Government of Canada guidance recommends checking and cleaning them at least twice a year, in spring and fall. More frequent checks may be appropriate after heavy storms or where trees overhang the roof.

How far should downspouts discharge water from the foundation?

Where possible, Canada.ca recommends directing water to a well-drained area at least 2 m away from the foundation. Local requirements may vary.

Are seamless eavestroughs better than sectional systems?

They can reduce the number of joints and potential leak points, but installation quality, correct slope, system sizing and downspout placement remain essential.

How do I know whether to repair or replace my eavestroughs?

A few isolated leaks or loose components may be repairable. Widespread leaking, sagging, repeated overflow or significant separation from the fascia can indicate that replacement is the more practical solution.

Can eavestroughs help prevent foundation water problems?

Yes. Properly installed and maintained systems collect roof runoff and direct it away from exterior walls and foundations, helping reduce concentrated water exposure.

How often should snow be removed from a roof?

There is no fixed schedule. Frequency depends on snowfall, snow density, roof design and weather conditions. Heavy or repeated accumulation may require professional assessment.

Can I remove roof snow myself?

Roof work in winter presents fall and material-damage risks. Government of Canada roof snow safety guidance recommends working in pairs or hiring a professional for safe roof clearing.

Does removing snow prevent ice dams?

It can reduce snow accumulation, but it does not eliminate the underlying causes of ice dams. Attic heat loss, insulation and ventilation can also contribute.

Does every roof need snow removal after a storm?

No. The need depends on the roof and conditions. Professional assessment is particularly useful when accumulation is heavy, compacted or accompanied by visible warning signs.

What should I do if I notice a roof leak during winter?

Do not climb onto a snowy or icy roof to investigate it yourself. Document the visible signs from a safe location and arrange a professional roofing assessment as soon as practical.

What are the main types of commercial roofing?

Commercial roofing systems vary according to building design and roof slope. Big City Roofing focuses on metal roofing and asphalt shingles for sloped commercial roofs. The appropriate option depends on the building, existing roof, climate exposure, and installation requirements.

Is commercial metal roofing suitable for Ottawa?

Yes, metal roofing can be suitable for sloped commercial buildings in Ottawa when the system is properly selected and installed. Commercial steel roofing should be evaluated as part of a complete roof assembly, including structure, drainage, insulation, and detailing.

When should a commercial roof be repaired?

Professional assessment is recommended when leaks, ponding, damaged flashing, deterioration, or recurring failures appear. Early intervention may prevent localized problems from developing into larger roof-system issues.

How do I choose a commercial roofing contractor?

Compare contractors based on relevant commercial experience, roofing materials, installation approach, project scope, communication, and maintenance planning. If your building has a sloped roof, confirm that the contractor has experience with the specific roofing system being considered.

What should be included in commercial roofing supplies?

The required materials depend on the selected roofing system. For metal roofing or asphalt shingles, a complete installation may include roofing materials, underlayment, flashing, ventilation components, fasteners, edge details, and related accessories. All components should work together as part of one complete roof assembly.

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