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"Concrete is constantly under attack and corrosion can set in anywhere from five to 25 years (after construction)," Greg Dolenc Sika Canada Inc.
Members of the Building and Concrete Restoration Association delivered what might be considered an adaptation of the "pay me now or pay me later" concept during the recent Construct Canada conference.
Moderated by Greg Dolenc, area sales manager with Sika Canada Inc., a panel of industry representatives presented a snapshot of the in-depth planning, procedures, techniques and materials that are crucial in concrete restoration projects, especially complicated ones.
But the consistent theme of the How to Make Concrete Repairs Stand the Test of Time seminar was that, if proper care is exercised at the outset of construction and followed up with preventative measures, the cost of repairs in the future can be minimized.
And if repairs become necessary they should be done properly following guidelines authored by the Canadian Standards Association, the American Concrete Institute and the International Concrete Repair Institute.
Some basic methods for repair and protecting reinforcing concrete include exposing and cleaning reinforcement bars, priming the rebarand substrate, repairing spalling and filling and sealing cracks and joints, said Dolenc who opened...