

Representing ALL Construction Trades
The Building Union of Canada proudly represents workers across all trades in the construction sector. From electricians and plumbers to welders, heavy equipment operators, and beyond, we are committed to standing up for every skilled tradesperson who helps build our communities. No matter your trade, we are here to ensure fair wages, safe working conditions, and a strong collective voice for all.
Our Services


MEMBER LOGIN
BUC is excited to announce that our Member Login portal is coming soon! This new feature will give members easy access to personalized information, including benefits, pension details, ...
News
March 4, 2025 at 5:00:00 p.m.
U.S. tariffs to hit today; Canada will retaliate
Canadian Foreign Affairs Minister Mélanie Joly has confirmed that Canada will implement retaliatory tariffs against the United States. Tariffs will be placed on U.S. goods including steel and aluminum, orange juice, peanut butter, wine, coffee and vehicles, in response to U.S. President Donald Trump’s decision to place 25 per cent tariffs on most Canadian imports and 10 per cent on energy, starting Tuesday.
February 28, 2025 at 5:00:00 p.m.
Pension Update for CG Group Members
The Building Union of Canada determined that the CG Group failed to comply with the pension rates according to the present Collective Agreement (withheld some pension contributions) over a period of several months. Upon discovering that the pension contribution was incorrectly remitted, BUC contacted the employer CG Group, who paid in full the contributions owed to our 50 members.
February 18, 2025 at 5:00:00 p.m.
Mental health advocates urge Ontario leaders to address opioid crisis hitting construction industry
While welcoming former RCMP deputy commissioner Kevin Brosseau’s appointment as Canada’s new ‘fentanyl czar,’ mental health organizations say Ontario leadership candidates need to sharpen their focus on an overdose crisis that has taken a disproportionate toll on construction workers.
