Building Envelope Experts

Operating at peak performance by virtue of its expert team,
Rainville et Frères is constantly looking for new techniques
to give a clean and original look to all buildings.

About us

Over the years, and in order to maintain our pioneering spirit and distinction, the company has strived for continuous improvement. This has meant researching and developing new techniques and more durable, high-performance, and innovative products while maintaining the meticulousness of historic masonry techniques. For Rainville et Frères, the preservation of architectural heritage is of the utmost importance, and the company is able to restore the clean and original character of all the buildings with which it is entrusted.

The company is able to offer a complete range of masonry work on heritage, institutional, and public buildings. At Rainville et Frères, employee safety is a priority. Trust, respect, communication and open-mindedness are also key values. It is with attention to detail and the help of its competent, experienced, and specialized workforce that Rainville et Frères has reached peak performance in its domain.

Our Mission

To preserve architectural heritage, to restore the authentic and traditional character of every building we touch, and to remain at the forefront in the execution and organization of work sites.

Our Values


Mutual support, excellence, and collaboration are central to our priorities and our actions.


Trust is at the heart of our commitments, and is shared with each member of your project team and ours.


We carry out our activities competently and with confidence. We honor our words and our ideas.


This is the very essence of the group. We share our vision and knowledge every day and guide our team towards a common goal: to remain pioneers through innovation.

Porte et façade MacDonald Chemistry
Restauration de l'école des beaux arts


Rainville et Frères has always made a point of preserving the architectural and original heritage of each of the buildings it touches—combining quality craftsmanship with the most avant-garde methods.

Before 2001

Godin Residence – Beauharnois
Pointe-à-Callière Museum
Sisters of Charity – Saint-Hyacinthe
Mary Queen of the World Cathedral – Montreal
Manor in Sagard

2001 – Bonsecours Market – Montreal
2002 – Steinmetz Residence
2005 – 2008 Canadian Museum of Contemporary Photography –
2007 – Château Frontenac – Quebec City, Sir George-Étienne-
Cartier and Sister of Charity Monument – Ottawa
2008 – 2009 Mount Royal Park – Peel Entrance
2008 – 2010 Trafalgar Buildings
2010 – 2011 Archaeological Remains of the Champ-de-Mars
2011 – 2012 Quebec City Hall
2015 – Saint-Sauveur Church Bell Tower (CHUM)
2018 – Armoury of the Voltigeurs de Québec
2017 – Aisenstad Pavilion
2018 – 2021 Windsor Station – Montreal
2018 – 2021 Citadel
2018 – Holt Renfrew Ogilvy – Montreal
2019 – Westmount City Hall and Manulife House
2020 – Hydro Quebec – Montreal

Maçonnerie Rainville et Frères Milestones

1968 – Rainville et Frères is founded.
1980 – Brothers René and Armand Rainville shift their focus to stone masonry restoration.
2003 – The company is transferred to two key employees.
2005 – Gino Ouellet and Maxime Lorrain officially become owners and co-partners of the company. That same year, they steer Rainville et Frères towards large-scale construction sites and expand the general contracting sector of the company’s activities to include envelope restoration. This new strategy has allowed the company to make comprehensive offers of service.

Awards and Mentions