Commercial Sump Pump Systems
by Brendan Bates An A to Z guide on best practicesVariable speed controllers, such as this one from Metropolitan Industries, can significantly reduce costs, by reducing the size of the emergency stand-by generator, the sump, and the electrical cost...
Water Barriers to Withstand Shotcrete
Getting a waterproofing and drainage layer tough enough to stand up to shotcrete is a top priority—because repairing the membrane after the fact is usually not an option. Shotcrete, a method of applying concrete by shooting it out of a nozzle at high...
Summer 2010 News
The National Association of Waterproofing and Structural Repair Contractors (NAWSRC) may soon be known as the Basement Health Association (BHA). The members will vote on the proposal at the Annual Meeting on August 14-18, 2010. The name change is part of an effort to...
Green Roof as a Retrofit Option
Whether the structure is a historic landmark, or of more recent construction, odds are pretty good that a green roof can be installed much more easily than previously thought. Â Atlanta City Hall transformed a drab rooftop adjacent to the cafeteria into a...
Low Pressure Injection Repair for Residential Foundations
By Louis F. Cole When repairing a foundation wall with an epoxy or polyurethane foam polymer, the preferred method is low pressure injection. The secret to effective crack injection is gradual introduction of the liquid polymer into the crack at low...
Epoxy or Polyurethane Foam?
By Jay Schmid For typical residential applications, crack injection can be accomplished in less than one hour and can be done conveniently from inside the basement. AÂ casual debate often will arise over the use of either epoxy or polyurethane foam for...
Understanding Integral Waterproofing
Integral waterproofing can be faster, cheaper, and more reliable than coatings and membranes. The California Academy of Science in San Francisco used large quantities of crystalline waterproofing to seal the slabs and foundation walls. Mixed at 2.5% of...
Spring 2010 News
Carlisle Coatings & Waterproofing Inc. (CCW) recently certified one of their Bentonite waterproofing membranes with a national standards organization. The product, CCW MiraCLAY GM, is a Bentonite clay waterproofing membrane with a geomembrane liner. It’s designed...
Road Joints in Extreme Climates
Bridges and elevated sections of highway have to perform in extreme conditions. Interstate 70 west of Denver provides an extreme example. The portion of I-70 between Denver and the Utah line is considered an engineering marvel. After reaching the...
How EFVM Works
Electric Field Vector Mapping (EFVM) has a number of significant advantages over every other leak detection system on the market. Traditional flood testing methods can identify leakage, but only after the water passes through the membrane, the roof...
