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T.A. Morrison & Co., Inc.

T. A. Morrison & Co., Inc. (TAMCO) is an innovative manufacturer of high-end, quality dampers, and air control products for the commercial, industrial, and institutional markets. In 1980, TAMCO began to produce its own line of aluminum dampers. Great attention has been devoted to the design to develop products which are durable, maintenance-free, and unparalleled in performance. TAMCO is successfully leading the charge to bring creative solutions to the air control market

Damper Product Line

Thermally Insulated Dampers

Thermally Broken Frame Dampers - These aluminum, insulated dampers, installed as "Flanged to Duct" type, create a true thermal barrier between outside air temperature and desired interior temperature. The thermally broken frame, coupled with the thermally insulated blade reduces or eliminates condensation and freeze-up. Energy savings are obtained from the resulting thermal efficiency and low air leakage rates.

Applications: In conditions of high relative humidity. When there are extreme temperature differentials. For air intake and exhaust.

Thermally Insulated Dampers - TAMCO's thermally insulated blades are constructed using an aluminum shell, injected with polyurethane foam. The design features combine to control the forces of radiation, convection, and infiltration and thus ensure blade insulating effectiveness.

Applications: If coil freeze up is a concern. For air handler intake and exhaust.

Learn More about Thermally Insulated Dampers

Air-Foil Control Dampers

Air-Foil Control Dampers - All aluminum dampers that are supplied with TPE/EPDM seals as standard. The aluminum extrusions contribute to a prolonged and rust-free operational life. TAMCO's dual bearing system is self-sealing, self-lubricating, and non-absorbent, resulting in totally maintenance-free performance.

Applications: Modulating, or 2 position control dampers. To replace common dampers at a reasonable cost, and where maintenance is an issue.

Enhanced Air-Foil Control Dampers- An ultra-low leakage, aluminum, airfoil blade damper, with all of the maintenance-free bearing and linkage components of other quality TAMCO products. It is an ideal, non-insulated specification choice for energy efficient, outside wall dampers, installed in warmer climates.

Applications: When the damper is closed and low air leakage rate is critical. Where infiltration is a concern. Where condensation and freeze up is not a concern, but an energy efficient, low infiltration is, a maintenance-free damper is essential.

Salt Water Resistance Dampers - Maintains all the dependability and durability of the Dual Bearing System, the advantages of aluminum construction, and maintenance-free operation. The added features of this model enhance its resistance to salt water or environments where there is salt in the air.

Applications: These dampers are ideally suited for coastal climates, or for inland applications,
where the tire spray from winter-salted roads have been known to corrode dampers installed
in close proximity to roads or highways.

Learn More about Air-Foil Control Dampers

Back Draft Dampers

These dampers will consist of an all aluminum construction with TPE/EPDM seals and also feature a Dual Bearing System. TAMCO's pressure relief dampers are manufactured with all the superior design features of TAMCO air-foil dampers, ensuring durability and maintenance-free performance.

Applications: Suitable for installations requiring a robust damper, subjected to higher air-flows and operating pressures.
Learn More about Back Draft Dampers

Multi Zone Dampers

TAMCO manufactures a full line of two or three deck multi zone  dampers. All the blades between decks are joined with one-piece connecting rods, stamped in place, or secured with blade-mounted u-bolts. This ensures that the blade action between decks will remain positively aligned throughout the operational life of the damper.
Learn More about Multi Zone  Dampers


TAMCO aluminum louvres provide a prolonged rest-free operational life. Galvanized bird screens are provided as standard and aluminum mesh bird screens and insect screens are available as options.

Applications: It is highly recommended that louvres be installed in front of the thermally insulated dampers, on exterior walls, to prevent rain and snow from entering the building, and interfering with damper operation.
Stormproof Louvers - incorporates an extruded reinforced blade to reduce water penetration.
Standard Louvers - operates with slightly lower pressure drop and can be used to advantage in exhaust applications.
Learn More about Louvers

Insect Screens

All insect screens have all aluminum screen frames supplied with silicone seals and the screen mesh is also aluminum. TAMCO seals provide outstanding dynamic fatigue resistance. Aluminum extrusions contribute to a prolonged and rust-free operational life.
Learn More about Insect Screens

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3200 Jefferson Blvd., Unit 100
Windsor, ON N8T 2W8
Tel: 519 . 974 . 5800
Fax: 519 . 974 . 5803
521 Consortium Ct.
London, ON N6E 2S8
Tel: 519 . 964 . 0022
Fax: 519 . 680 . 7039
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