Is new construction roofing different from replacing an old roof?

Yes. There's no old roofing to remove and dispose of, and the work has to fit into the broader construction timeline alongside other trades rather than standing alone.

Do new build roofs come with a different warranty than a replacement roof?

Often the roof is covered under a broader new home warranty program in addition to the manufacturer's material warranty, so it's worth clarifying with the builder how the two overlap.

Can I choose my own roofer if I'm building a custom home?

On a custom build, yes, homeowners typically have input on the roofing contractor and material. On production or subdivision builds, the roofer is usually already contracted by the builder.

How does the roofer coordinate with other trades during a build?

The roofer generally needs to complete a weathertight roof before interior finishing trades start, so scheduling is coordinated closely with the general contractor's overall build timeline.

New construction and new build roofing

Roofing a new build is a different job from replacing a roof on an existing home. There's no tear-off, no old material to dispose of, and the roofer is usually working directly off freshly installed sheathing as part of a larger construction schedule alongside framers, electricians, and other trades.

This work tends to fall into two groups: custom home builds, where the roofer coordinates with a general contractor and often the homeowner on material choice, and production or subdivision builds, where a roofer may be contracted to install the same roof system across multiple units on a set schedule. Either way, the roofer needs to meet current building code for the municipality, install proper underlayment, flashing, and ventilation from scratch, and work within whatever warranty program the builder offers on the finished home.

Timing matters more here than on a typical repair or replacement job, since the roof needs to go on and be weathertight before interior trades can proceed. A contractor who regularly works new construction is used to that kind of schedule coordination.

What it costs

Pricing depends on the size and complexity of the roof, the material specified by the builder or homeowner, and whether the contractor is working directly for a builder on a set schedule versus a one-off custom home. New construction quotes are often bundled into the overall build contract rather than priced as a standalone service.

Top 3 by our score

Ranked from our published scoring of public Google reviews for roof replacement & installation.

1. GTA Roofing Pros
5.0★ · 273 reviews

95
2. Prime Roof Repairs Company Toronto
5.0★ · 210 reviews

95
3. High Skillz Roofing Inc. | North York
5.0★ · 208 reviews

94

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FAQ

Is new construction roofing different from replacing an old roof?: Yes. There's no old roofing to remove and dispose of, and the work has to fit into the broader construction timeline alongside other trades rather than standing alone.
Do new build roofs come with a different warranty than a replacement roof?: Often the roof is covered under a broader new home warranty program in addition to the manufacturer's material warranty, so it's worth clarifying with the builder how the two overlap.
Can I choose my own roofer if I'm building a custom home?: On a custom build, yes, homeowners typically have input on the roofing contractor and material. On production or subdivision builds, the roofer is usually already contracted by the builder.
How does the roofer coordinate with other trades during a build?: The roofer generally needs to complete a weathertight roof before interior finishing trades start, so scheduling is coordinated closely with the general contractor's overall build timeline.

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