Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repairing a crack or replacing shingles).

Major repairs

If your building is located in a historical district or an area subject to special architectural standards, you must get a permit to replace the cladding on a pitched roof.

Authorized materials

The following materials are authorized when installing or replacing a sloped roof:

• cedar shingles
• asphalt shingles
• slate
• metal roof covering
• terracotta tiles
• composite material

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles).

Major repairs

You need a permit to replace the structure, insulation or covering of a sloped roof.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

The fees are non-refundable.

Further reading: The cost of a renovation permit

In person

Minor repairs and maintenance

A permit is not required to:

• repair or maintain your roof
• replace asphalt roofing shingles, except if the building has historic status.

If your building is located within the Mount Royal Heritage Site, you must obtain authorization from the borough before carrying out the work.

Major repairs

A permit is required to replace a sloped roof covering or change the structure of the roof.

Prohibited materials

The following materials are prohibited:

• plastic membrane, tar paper, mineral or vinyl surface roll roofing, and similar roll roofing
• particleboard panels, material not designed for exterior use or unfinished in appearance
• treated wood visible from a street
• adjacent to the land and not covered with opaque stain or paint

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance 

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles). However, you must obtain a permit if the insulation or structure of the roof is affected.

Major repairs

A permit is required to replace a sloped roof covering or change the structure of the roof.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles). However, you must obtain a permit if the insulation or structure of the roof is affected.

Major repairs

A permit is required to replace a sloped roof covering or change the structure of the roof.

Authorized materials

To install or replace a sloped roof covering, you must use one of the following new materials:

• slate
• clay tiles
• wood shingles
• sheet copper
• asphalt shingles
• pre-plastic membrane roofing tile
• non-corrugated concrete tile
• asphalt and gravel
• elastomeric membrane 
• polyolefin thermoplastic membrane

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles). However, you must obtain a permit if the insulation or structure of the roof is affected.

Major repairs

A permit is required to replace a sloped roof covering or change the structure of the roof.

Authorized materials

For existing constructions, you must reuse the original roof covering materials.

Prohibited materials

The following materials are prohibited, except if they are part of the original architectural components:

• plastic membrane, tar paper, mineral or vinyl surface roll roofing, and similar roll roofing
• particleboard panels, material not designed for exterior use or unfinished in appearance
• concrete bricks
• hollow concrete blocks
• clapboard (vinyl, metallic or wood composite)
• any masonry with a thickness of less than 40 mm, except a rough plaster covering or an acrylic coating

Some work is subject to a site planning and architectural integration program (SPAIP), for example the replacement of a mansard roof. If that is the case, you must provide a sample showing the nature and colour of the material. Additional processing fees apply.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles).

Major repairs

A permit is required if:

• you change the slope or structure
• your building has historic value
• your roof is made of slate
• you change the covering on a roof or on a mansard

Authorized materials

A pitched roof must be clad with a material whose solar reflectance index (SRI) is equal to or greater than 25, as certified by a technical data sheet.

For asphalt shingles, a light colour is preferred.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Required documents

The following documents are required to process your application:

• bid or cost estimate for the work, including taxes and fees for plans and specifications
• certificate of location
• technical sheet with description of materials 
• any other document required to process the application

If the work is done on a condominium:

• letter of authorization from each owner or resolution from the condominium syndicate

If you are a representative:

• power of attorney authorizing you to act on behalf of the owner

Further reading: How to obtain the documents required to apply for a permit

Questions?

For further information, please contact the permit counter.

Minor repairs and maintenance

A permit is not required to:

• repair or maintain your roof (ex. repair the covering or replace a few shingles)
• replace the roof covering with a material similar in shape and colour

Major repairs

A permit is required to:

• change the structure of a sloped roof 
• replace the roof covering with a material that differs in shape and colour

Authorized materials

The following materials are authorized when installing or replacing a sloped roof:

• asphalt shingles
• cedar shingles
• shingle, solar shading or tile
• painted or pre-painted metal or sheet metal 
• tiles

The following materials are also authorized on agricultural buildings:

• galvanized and non-enamelled flashing 
• polythene and other similar materials
• glass

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

• By-law concerning the conversion of buildings into divided co-ownership (in French)

Minor repairs and maintenance 

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles).

However, if the insulation or roof structure is affected, you are required to obtain a permit.

Major repairs

Permits are required for work:

• On roofs that are made of other materials
• That is located in a criteria-based area of significance
• To completely rebuild an existing roof.
• To build a new building (public or private)

However, no permit is required for asphalt shingle replacement except for historic buildings.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repairing a crack or replacing shingles).

Major repairs

A permit is required to replace the covering on a sloped roof.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

A permit is required to repair or replace your roof covering.

Authorized materials

You are required to reuse the original covering materials on your roof.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $160.45 for a strictly residential building
• $472.16 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to:

• maintain or repair a sloped roof (change a few shingles)
• change an asphalt shingle roof covering, if the new covering also consists of asphalt shingles

However, if you use a different material, you must apply for a permit.

Major repairs

You must obtain a permit to renovate or replace a roof covering with different materials.

Prohibited materials

The following materials are prohibited:

• tar paper or any similar surface roll roofing
• plastic membrane, tarpaulin and fibreglass cloth
• straw
• sheet aluminum and non-galvanized sheet steel, except for pre-painted sheet metal pre-baked in a plant
• fibreglass, polycarbonate or PVC panel, or any other derived material

Certain exceptions apply. Please contact the permit counter for further information.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to: 

• maintain or repair a sloped roof (change a few shingles)
• change an asphalt shingle covering, if the new covering also consists of shingles, except if your building is subject to a site planning and architectural integration program (SPAIP) 

However, if you use a different material, you are required to apply for a permit.

Major repairs

A permit is required to renovate or replace a roof covering made from materials other than asphalt shingles.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance 

A permit is not required to repair or maintain your roof (ex. repairing a crack or replacing shingles).

However, if the insulation or roof structure is affected, you are required to obtain a permit.

Major repairs

A permit is required to replace a sloped roof covering or change the structure of the roof.

Authorized materials

Authorized materials vary based on the area. Please contact the permit counter for further information.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof covering.

You must ensure that your roof retains the same shape and load as the existing one.

Major repairs

You must get a permit to modify the structure of a pitched roof or to replace the roof covering with a material other than the one that was previously used.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

In person

Minor repairs and maintenance

A permit is not required to repair or maintain your roof covering if the total cost of the work is not greater than $3,000 and if the structure of the roof is not affected.

Major repairs 

A permit is required to replace the covering on a sloped roof.

Prohibited materials

The following materials are prohibited:

• tar paper or mineral surface roll roofing
• non-architectural sheet metal
• any material that is unfinished in appearance or non-architectural

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to repair or maintain your roof (ex. repair the covering or replace a few shingles). However, you must obtain a permit if the insulation or structure of the roof is affected.

Major repairs

A permit is required to replace a sloped roof covering or change the structure of the roof.

The new siding must be:

• made from material whose format, colour and texture are identical to those of the material being replaced, if it is the original material or if the characteristics of the original material are documented.
• made from material whose format, colour and texture are identical to those of a material found on separate building. This building must be of the same type as your building, must have been built five years before or five years after your building was built, and must be located on the same section of the street. The original material on the roof of this building must be preserved or its characteristics must be documented.

Authorized materials

The following materials are authorized when installing or replacing a sloped roof for Housing- or Business-type use (except for class C9):

• asphalt shingles or metallic covering that imitates asphalt shingles in shape and texture 
• tinned copper
• enamelled, galvanized or stainless steel
• cedar shingle or synthetic or recycled material roof covering that imitates cedar shingle in shape or appearance

Wartime-type housing

Only asphalt shingle in a uniform colour is authorized on a main building or an accessory building.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit

Minor repairs and maintenance

A permit is not required to carry out minor or occasional repairs. For example, a permit is not required for a crack or a hole if you repair less than half the surface of your roof covering.

Major repairs

You must obtain a permit to replace a sloped roof covering or change its structure.

A permit is also required to replace an architectural feature on the roof (valley, ridgeboard, dormer, etc.).

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

• $161 for a strictly residential building
• $473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Review fees are non-refundable.

Further reading: The cost of a renovation permit

A permit is not required to renovate or replace a sloped roof, except if your building or the area in which it is located has historic value or is subject to specific architectural standards.

Permit fees

Processing fees for permit applications vary based on the projected cost of the work. You will be required to pay $9.80 for every $1,000 of work.

Regardless of the amount of work, you will be required to pay a minimum:

$161 for a strictly residential building
$473 for a commercial, industrial, institutional or mixed-use building. The projected costs must include all fees associated with the work (ex. plans, labour, equipment), taxes included.

Additional fees may apply if your building or the area in which it is located has historic value or is subject to specific architectural standards.

The fees are non-refundable.

Further reading: The cost of a renovation permit