Building Magazine


Patenaude Trempe Van Dalen and Air-Ins become C.L.E.B.

Two sister companies, Patenaude Trempe Van Dalen (PTVD) and Air-Ins, which together represent one of Eastern Canada’s largest group of professionals in laboratory and on-site testing, quality control and technical know-how dedicated exclusively to the building-science field, will now be known as C.L.E.B. (Conseil et laboratoire en enveloppe du bâtiment, or building envelope consulting and laboratory). To mark the occasion, C.L.E.B. officially inaugurated a new head office in Varennes and the expansion of its testing laboratory, an investment of more than $3 million.

“For more than 30 years, AirIns and PTVD have grown individually while providing complementary services in their field of application,” says C.L.E.B. president Mario Gonçalves. “Rooted in the values instilled by their respective founders, these two companies have grown to maturity and are recognized as North American leaders in their field. The expertise of our staff and our laboratory facilities, among the biggest in Canada, enable us to provide one-stop service for major projects across Eastern Canada and the Northeastern United States. Creating C.L.E.B. shows our desire to emphasize the synergy that has always existed between our two companies with the aim of serving our clients better.”

The head office, which has grown to more than 41,000 square feet from 23,000, was designed by the Éric Labbé architecture firm. The new brand image was developed by the Minimal Médias team.

With its testing laboratory and building envelope expertise, C.L.E.B.’s services are chosen by various players in the construction field, including manufacturers of building envelope systems and components, architects and other construction professionals, building managers, construction contractors, and more. In addition, the company is often sought for the drafting of standards, the development of training courses and research projects, and the publication and presentation of technical articles at various seminars in Canada, the United States and abroad.

“Our company has seen substantial growth in business over the last few years – up 500 per cent from 10 years ago and up 150 per cent in the last five years,” says Gonçalves. “In the next five years, we expect to reach the 100-employee mark, with the possibility of opening an office in Atlantic Canada and another in the Northeastern United States, two key markets for ensuring our growth.”

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