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Jason Pagliuca

by Jason Pagliuca 360° Verification Coordinator | Reno-Assistance

Reno Blog / Roof / Roof replacement costs in 2018 — Toronto vs. Montreal
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Roof replacement costs in 2018 — Toronto vs. Montreal

Cost and Price Roof

Have you noticed that your roof needs some TLC? You might feel like your bank account will take a serious hit, but that all depends on the roofing material you choose!

A roof replacement isn’t like renovating a kitchen or bathroom: you’ll never get to enjoy the investment. But you can take comfort in knowing that it’s a smart investment. The longer you wait to get it done, the more it’s going to cost. Let’s take a look at the price of various roofing materials.

Depending on whether you have a pitched or flat roof, different options are available to you. We’ve described the difference between a flat and pitched roof below, then broke down their expected replacement costs in Toronto and Montreal, followed by an outline of pros and cons for each option.

Pitched roofs vs. Flat roofs

A pitched roof is essentially an angled roof, whereas a flat roof is… you guessed it! flat. Flat roofs are generally less expensive than pitched roofs – which are more difficult to clean. It’s also harder to spot damage, especially towards the top, for pitched roofs. These realities often sway homeowners towards flat roofs. However, if you’re already heading in that purchase direction, keep in mind that while the initial installation may be cheaper, a flat roof will often require more maintenance and could end up costing you more in the long run. This is primarily because of drainage issues. Flat roofs don’t drain as well, which can lead to quicker clogging and leaking, meaning that you’ll have to spend more time and money inspecting it.

Average cost for a roof replacement in 2018

Pitched roof cost

  Typical Bungalow Double Storey (pitched roof) Luxury Home (multiple slopes)
CITY Montreal Toronto (GTA) Montreal Toronto (GTA) Montreal Toronto (GTA)
Asphalt Shingle $4K-$5.5K $4.4K-$6K $5K-$7K $5.5K-$7.7K $9K-$17K $10K-$19K
Metal Roofing $15K-$25K $16.5K-$27.5K $17K-$27K $19K-$30K $30K-$55K $35K-$60.5K
Cedar Shingle $15K-$25K $16.5K-$27.5K $17K-$28K $19K-$31K $30K-$48K $35K-$53K
Slate Roofing $22K-$35K $25K-$38.5K $24K-$37K $26.5K-$41K $39K-$58K $43K-$58.5K
Rubber Roofing $10K-$12K $11K-$13.5K $11K-$15K $12K-$16.5K $14K-$20K $15.5K-$22K

Flat roof cost

  Duplex (1,000 sq. ft.) Triplex (1,600 sq. ft.) 6-plex (5,000 sq. ft.)
CITY Montreal Toronto (GTA) Montreal Toronto (GTA) Montreal Toronto (GTA)
EPDM/TPO $7K-$9K $7.7K-$10K $11K-$15K $12K-$16.5K $35K-$45K $38.5K-$50K
Elastomeric Membrane $8K-$13K $9K-$14.5K $13K-$21K $14.5K-$23K $40K-$65K $45K-$71.5K
Asphalt & Gravel $9K-$10K $10K-$11K $15K-$16K $16.5K-$17.7K $45K-$47K $50K-$52K
Green roof  $20K-$40K $22K-$45K $32K-$64K $35.5K-$70.5K $100K-$200K $110K-$220K

Roof costs per square foot in 2018 & their lifespans

Roof Type Average Cost –  Montreal

Average Cost –Toronto (GTA)

Lifespan
Asphalt Shingles $3.15 – $4.75/sq. ft. $3.50 – $5.25/sq. ft. 20 to 25 years
TPO/EPDM $7.50 – $9.50/sq. ft. $8.25 – $10.45/sq. ft. 25 to 30 years
Elastomeric Membrane $8.40 – $13.65/sq. ft. $9.25 – $15.00/sq. ft. 20 to 30 years
Bitumen $9.45 – $10.50/sq. ft. $10.45 – $11.55/sq. ft. 15 to 30 years
Metal $15.00 – $26.00/sq. ft. $16.50 – $28.60/sq. ft. 50+ years
Slate $23.00 – $37.00/sq. ft. $25.30 – $40.75/sq. ft. 75 to 150 years

For each roof type, you’ll have several material options – with details – below.

"I'm here to help you with your roof project"

- Francis / Renovation Advisor at Reno-Assistance

Pitched roof

Cost may vary significantly between two similar roofing projects because of various factors, such as:

  • The incline depth of your roof
  • The architectural complexity
  • The materials chosen
  • The warranties offered
  • The square footage
  • Other additional work (e.g. if ventilation needs to be added)
  • Labour costs (experienced vs novice workers)

Let’s take a look at which materials might work best for you.

What do asphalt shingles cost?

Asphalt shingles are most commonly used for residential roofing because of their relative low cost. They’re commonly seen on pitched roofs due to their versatility — they can be adapted and laid in different angles and shapes, and can be designed to look any way you want (mainly in terms of colour).

From a durability standpoint, asphalt shingles can withstand direct impact quite well (like from hail or falling branches). They can also hold up when there are winds of over 200 km/h and have a Class-A fire rating, which means that, should a fire start in your house, they can prevent it from spreading up and out. The only downfall is that asphalt shingles tend to dry out and crack with time (20+ years nowadays – so, not too much to worry about) due to the sun.

As for your personal quality of life, asphalt shingles are in first place when it comes to sound protection. They’re also quite easy to install for those who wish to do so themselves.

Cost-wise, asphalt shingles are least expensive – going for approximately $3.50/sq. ft. on the lower end of the scale – which would come out to about  $4,500 for an average-sized bungalow. 

Grey asphalt shinglesHow much does metal roofing cost? 

Metal roofs and steel roofs may have a few obvious downsides. Colour stability being a big one, as are noise and price. But the pros are definitely impressive.

Firstly, metal roofs last between 40 and 70 years, almost four times longer than asphalt shingles! They can withstand stronger winds, won’t crack or corrode, and don’t need the routine maintenance that other roofs need.

The most beneficial aspect of metal or steel roofing, though, would be their eco-friendliness. Most metal roofs are made from between 25% and 95% recycled materials. Should you ever decide to change your roof, a pre-existing metal roof is 100% recyclable. And, because they reflect solar heat, metal roofs can reduce cooling costs by up to 25%.

Pricing for metal roofing can vary between $16 and $28 per square foot. The cost of its installation for a home of about 2,000 square feet will vary anywhere between $33,000 and $57,000. 

Black metal or steel roofWhat’s the cost of slate roofing? 

A slate roof scores highest on the curb appeal scale, hands down. It’s made of 100% natural stone and its colouring is always intact (read: always gorgeous). In terms of practicality, slate roofs are fireproof, environmentally friendly and do a great job of insulating from above. They’re also the most durable of any roof surface — if you take care of your slate roof, it could last up to 150 years!

However, slate roofs have two significant drawbacks: price and weight. They’re most certainly on the expensive side of things ($25-$40/sq. ft.) – which is partly due to their weight. Most roof decks will need reinforcement to hold the additional weight of 800-1,200 lbs (360–540 kg).

These two drawbacks make slate roofs quite uncommon, meaning roofers generally have less experience installing them – creating potential issues if you choose to go with this roofing option.

Slate roofFlat roofs

How much do TPO/EPDM roofing materials cost?

Thermoplastic Polyolefin (TPO) and Ethylene Propylene Diene Monomer (EPDM) are rubber compounds commonly used for roofs. TPO is the most common roofing material because it’s least expensive, is of a neutral colour (typically white) and is easy to install: it can be screwed in or glued. If you’re looking to save money on your roof, TPO is the way to go.

EPDM is a step up from TPO in terms of rubber compound roofing. The most notable difference is the colour: most EPDM roofs are black instead of white (although you can get white EPDM, it is not recommended). EPDM is better at handling rain, snow, UV rays, abrasions, ozone and temperature fluctuations. It’s also easier to install than TPO because the sheets are bigger. An EPDM sheet can be as big as 50’ x 50’, whereas a TPO sheet width normally maxes out at 12 feet.

TPO & EPDM roofing – being the cheapest roofing materials for flat roofs – have a similar lifespan to that of asphalt roofing shingles (used on sloped roofs) of 25 to 30 years. Cost-wise, they go for approximately $8.25 to $10.45. 

Do you need quotes for your renovation project?

Man installing a TPO roof

How much is an elastomeric membrane roof?

Since installing an elastomeric membrane can be done at practically any time of year, it is often the go-to roofing choice for Canadians. Besides its installation being highly practical, there are many benefits to choosing this material. For instance, seeing as it is installed in 2 layers, it is more durable for accessible rooftops.  This elastomer coating can last from 25 to 30 years and requires fairly low maintenance – rendering it quite a good investment.

However, this process isn’t without downsides: it requires highly specialized contractors and there’s a risk of fire. Additionally, the material isn’t a friend to the environment and is not recycled in Ontario, nor Quebec. As for its price, elastomeric roofing can cost up to $15 per square foot.

toiture élastomère

What’s the cost of multi-layer roofing (gravel & bitumen)?

Bitumen is modified asphalt used on flat roofs. The chief advantage with it is that it’s essentially painted on versus laid down – making it seamless and less prone to leaking. Bitumen also has a high tensile strength, lowering its chances of cracking or getting damaged like other roof surfaces.

The major downside of bitumen roofs is the way they absorb heat, which can lead to overly warm rooms below. Cost is another downside (although a minor one). You can save money with 1-ply bitumen, but we’d discourage you from choosing that because it it is not as durable a 2-ply or 3-ply – which would be the better choices. However, you’d be looking at a fairly significant price increase.

Bitumen Roofing with fireWhat about green roofs?

You’ve no doubt seen these leafy roofs. They’re definitely on trend for a number of reasons: they increase biodiversity by promoting habitat for birds and insects, reduce storm water runoff and lower energy costs. These roofs are increasingly gaining popularity among building owners. 

There are two common types of green roofs: extensive ones – with no cultivation being done; and intensive ones – where people actually install fruit and vegetable gardens. 

Although sounding like a great idea, green roofs can also be quite prohibitive. First off, they’re expensive to install and require a lot of maintenance. Also, they’re only effective on angles of less than 25 degrees (although the Europeans are experimenting with green roofs at 45 degree angles). And, you’ll need to invest in special soil because regular garden soil will compact and kill the plants.

Woman picking vegetables with other people working on a green roofNow that you’re up to speed and ready to talk roofing, Reno-Assistance can start you out with three quotes from 360° Verified Contractors, with no obligation to move forward. We only work with the best roofers and roofing companies in your area.

Start your roof replacement project today!

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Francis Guertin

Account Manager - Commercial Division

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