The union representing more than 200 workers at a plant in southern Alberta have served strike notice.
Canadian Auto Workers union Local 99 represents 218 workers at Kawneer Manufacturing, a division of Alcoa, in Lethbridge, Alta.
The facility manufactures aluminum architectural products that include window systems, curtain walls, stock and custom doors. Operations consist of a 2,500-ton extrusion press, anodizing, electrostatic spray painting and fabrication.
The union has set a strike deadline of 7 a.m. on Thursday.
The workers voted 84 per cent in favour of strike action on March 26.
Todd Romanow, CAW national representative, says the workers want a contract with raises in pay, pension, shift premiums and benefits.
Operations consist of a 2,500-tonne extrusion press, anodizing, electrostatic spray painting and fabrication.
The plant began operations in 1983, with Alcoa managing operations since 1998 as a result of the Alumax, Inc. merger.