Structural engineers often require below-grade expansion joints to accommodate the independent movement of adjacent elements such as basement foundations, tunnels, parking garages, or utility vaults.

At right, Theresa Thompson, Standard Waterproofing’s owner and president, discusses below-grade waterproofing with employees Aaron Rockafellows and Allen Parks. The company is a subcontractor for ...

A recent 60 Minutes TV broadcast called “Falling Apart” explains that “America’s roads, bridges, airports and rail lines are outdated and need to be fixed” due to decades of neglect. The broadcast ...

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Repairing damaged concrete is a primary requirement in maintaining concrete bridges, and is also the basic requirement for any additional waterproofing, protection, or strengthening systems. Sika ...