Solar + roofing integration

Roof replacement cost calculator

Enter your roof size, material, complexity, and existing layers. Get a real cost estimate for a full roof replacement.

Your roof details

Educational planning estimate, not professional, financial, or engineering advice. Confirm figures with a licensed contractor or installer before making decisions.

1 Project details Optional
Shown on your exported report. Leave blank to skip.
2 Roof size and material
Total roof surface area, not your home's floor space.
Material choice is the biggest single driver of total cost.
3 Complexity and layers
Steeper and more complex roofs need more labor time.
Each layer needs full removal and disposal before the new roof goes on.
Adjusts all cost figures to your local currency and labor rates.

How it works

Budgeting a full reroof in three steps

Step 1

Enter your roof size and material

Material choice is the single biggest driver of total cost, so pick the one closest to what you're actually considering.

Step 2

Add complexity and existing layers

Steeper roofs and more roof planes add labor time, while existing layers need full removal before the new roof goes on.

Step 3

Use the result to plan your budget

If solar is part of your plans, the combined roof and solar project cost estimator rolls this number together with your solar budget for a full picture.

What actually drives roof replacement cost

What a full reroof typically runs

A 2,000 square foot asphalt shingle roof replacement typically costs 10,000 to 16,000 dollars in the US, or 13,000 to 20,000 CAD in Canada, depending on material grade, complexity, and how many old layers need tearing off. Premium materials like metal, tile, or slate cost significantly more per square foot, and the home equity loan vs solar loan comparison is worth a look if you're financing a project of this size.

Why material choice swings the cost so widely

Metal roofing typically costs about twice as much per square foot as architectural asphalt shingle, while tile and slate can run three to four times as much. These materials last significantly longer though, often 40 to 75 years compared to 20 to 25 for asphalt, which changes the long-term cost picture beyond the upfront number. For the maintenance & lifespan side of this decision, see panel degradation calculator.

Why tear-off layers matter more than people expect

Each additional layer of old shingles needing removal adds roughly 1 to 3 dollars per square foot in labor and disposal cost, since crews have to strip, bag, and haul away the old material before installing anything new. A roof with two existing layers costs meaningfully more to reroof than a single-layer roof of the same size and material, which the multi layer roof tear off cost estimator breaks down in more detail. See PNNL's overview of roofing components and performance for the source data behind this figure.

Why getting multiple quotes matters here specifically

Roofing quotes commonly vary by 20% or more between contractors for the same job, driven by differences in labor rates, material sourcing, and how busy a contractor's schedule is. Getting at least three written quotes helps you spot outliers on either end and negotiate from a more informed position, especially for larger or more complex projects, and reading the FTC's guidance on avoiding a home improvement scam before signing is worth the time given the size of this contract. The reroof before solar calculator covers the specific timing question if solar is also part of your plans, and the multi layer tear off cost estimator breaks out removal costs separately.

PNNL's overview of roofing components and performance covers material lifespan tradeoffs in more depth, and the panel degradation calculator is worth checking too if you're weighing a premium, longer-lived roofing material specifically to outlast your solar panels.

Questions

Frequently asked

A 2,000 square foot asphalt shingle roof replacement typically costs 10,000 to 16,000 dollars in the US, or 13,000 to 20,000 CAD in Canada, depending on material grade, complexity, and how many old layers need tearing off. Premium materials like metal, tile, or slate cost significantly more per square foot.

Yes. Each additional layer of old shingles needing removal adds roughly 1 to 3 dollars per square foot in labor and disposal cost. A roof with two existing layers costs meaningfully more to reroof than a single-layer roof of the same size and material.

Metal roofing typically costs about twice as much per square foot as architectural asphalt shingle, while tile and slate can run three to four times as much. These materials last significantly longer, which factors into the long-term cost comparison beyond just the upfront price.

Yes. Roofing quotes commonly vary by 20% or more between contractors for the same job, so getting at least three written quotes helps you spot outliers and negotiate from an informed position.

Related tools

Keep planning your project

Reroof before solar cost and timing Multi layer roof tear off cost Combined roof and solar project cost Roof decking replacement cost Roof underlayment upgrade cost Material vs panel lifespan comparison Roof integrated vs rack mounted cost All solar + roofing integration tools