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Are You Looking for a Noise Solution?

For more than 40 years we have been a world expert in turnkey diagnosis, fabrication and installation, with aero-acoustic performance guarantee.

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Silentec - Applying the Science of Silence

Active since 1979, Silentec is today a leader in noise reduction solutions, gas flow engineering, blast-proof doors and building acoustics, servicing mainly industrial and commercial businesses. Our products are custom-engineered and fabricated in Montreal and elsewhere. They are based on aero-acoustic tests and simulations. Our expert staff can analyze your needs and recommend, supply, and install the most cost-effective solution.

We Offer

  • Consulting services

  • Silent stacks

  • Industrial silencers

  • Acoustic barriers

  • Absorbtive acoustic panels

  • Temporary, reusable noise barrier

  • Blast-proof doors

  • Soundproof windows


We Serve
  • Power stations

  • Aircraft engine test buildings

  • Mines

  • Petrochemical, pulp & paper, metal transformation plants

  • Manufacturing plants

  • Municipalities and others...

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Partial list of Silentec customers by market sector

Food & Drinks

Brasserie Labatt, Brasserie Molson, Catelli, Eau de Source Montclair Nestlé, General Foods, Humpty Dumpty, Institut Roselle, International Bakeries, Kraft, Carnation Nestlé, Lallemand, Les Aliments Delisle, Olivieri Foods, Olymel, Produits Alimaison, Provigo, Salaison Lauzon, SAQ, Akhavan Supermarkets, Viandes Bonneau, Waldman Fish Market.


Alstom Power, Canadian Electricity Association, Boralex, Consumers Energy, Applied Utility Systems, GE-Energy, Gen-On, Foster Wheeler, Sept-Iles Hospital, Hydro-Québec, Quebec Incinerator, McClure Modesto Power Station, Mirant, Recycled Energy Development, Rolls-Royce, Siemens Electric, Solar Turbines, Public Works Canada.

Mines & Quarries

Agnico Eagle, Cement Canada Lafarge, Ciment Québec, Ciment St-Laurent, Cliff Mines, Graymont, Lithium Québec, Wabush Mine, Jeffrey Mine, Niobec Mine, Sintra.


Aero Systems Engineering, Air Canada, PW Cenco, Bombardier Aerospatiale, National Defense Canada, General Electric, GE Varig Brazil, MDS Aero Support Systems, Opron, Pratt & Whitney, Rolls Royce, Standard Aero.

Genius – Tips

AECOM, BPR, CIMA, Dessau, Génivar, Harch, Liquid Air Engineering, Roche Groupe Conseil, SMI, SNC-Lavalin.

Industrial (Manufacturing, petrochemical, pulp-paper, plastics-rubber, etc.)

ABB, Air Liquide Canada, Alcoa, Arcelor Mittal, Canadian Steel Wheel, Cascades, Cliffs Wabush Mines, Crown Cork And Seal, Diversitech, Domco, Domtar, Doppelmayr CTEC, Doris Hosiery, Esso, Fibracan, Fonderie du Saguenay, Groupe Bibeau, IBM , General Motors, Goodyear, Ilco Unican, Armstrong World Industries, Irving Oil, Kruger, KHD, Masonite, Mitchell Lincoln, National Gypsum Company, Paccar, PPG, Rio Tinto Alcan, Rio Tinto Fer et Titane, Shellcast, Sintra, Canadian Company du Sel, Solios, Soucy International, TLT-Babcock, Ultramar, Via Rail.


Argo Construction, Bell Canada, Comco, Girl Guides, Hotel Chanteclerc, Hotel EK Kanoo (Bahrain), Immeubles Bourg-Chemin, Le Méritas, Le Rockhill, Développements Bellevue, Immeubles 822, Immeubles Salette, Les Deux Pierrots, Marofranc, Marzim, Cemetery Mont-Royal, Place Bonaventure, Place Laval, Ro-Na, Sanctuaire du Mont-Royal, Sona Oasis, Spa Mathers, Studio 408, Studio Omni-Son, Télé Métropole, Télémedia, Trizec, Université de Montréal, Université Laval, UQAM, Worth & Company Inc.


Sir Wilfrid Laurier School Board, National Research Council, SIQ, Hull Music Conservatory, Laval Courthouse, Longueuil Courthouse, Montreal Courthouse, Youth Court), Canadian Coast Guard, Royal Canadian Mounted Police, Water Board Massawipi, Sureté du Québec, Public Works Canada, CITIES: Chicoutimi, Dorval, Gatineau, Granby, Laval, Lorraine, Montreal, North Hatley, Pointe-Claire, Quebec, Saint-Eustache, Saint-Jean sur Richelieu, Trois-Rivières, Valleyfield …

Pharmaceuticals and Health

Abbott Laboratories, Astra Pharmaceutiques, Hoechst, Johnson & Johnson, Merck Frosst, Smith & Nephew, Omnispec clinical research, Pharmacy Brunet, Pharmacy Jean Coutu, Montreal General Hospital, St-Luc Hospital, CSSS de la Gaspésie, CSSS de la Capitale Nationale , CSSS de l’Estrie.

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Noisy Air Intake,Gas Exhaust and Stacks ?

We aero-acoustically engineer and fabricate  stacks and air-handling equipment.

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Need to Reduce your Machinery Noise ?

We engineer structural acoustic barriers and soundproofed enclosures and other solutions.

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Looking for Performance Rated Doors and Windows?

We fabricate and test for sound transmission loss, blast-pressure and vacuum criteria.

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Need to Absorb Sound and Reduce Reverberation?

We adapt our panel systems to your walls, ceilings and environmental conditions.

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