leading to spalling. In addition to proper installation, it’s important to seal your concrete surfaces with a waterproof sealant. Repair concrete cracks and other damage immediately. Cracks and ...

of new aggregate concrete with a minimum depth of repair up to 1/2-in ... or internal leaks begin to corrode the wire and spalling occurs. This process accelerates over time.

The City of Delta has issued a request for bids for contractors to undertake apron rehabilitation and guidance marking upgrades at Boundary Bay Airport.