A Systems-based Approach to Waterproofing
A successful waterproofing system is more than membranes. By approaching waterproofing as a system, it’s possible to identify the root cause of the problem, and the most cost-effective solution to it. While the word “waterproofing” typically refers to a...
Cut and Cover Tunnels
Most tunnels are actually built as trenches using cut-and-cover techniques. This St. Louis subway tunnel was built using the “bottom-up” method, using cast-in-place concrete walls and precast roof segments. The vast majority of below-grade “tunneling”...
An Introduction to Piering
Piering and foundation repair work is a great addition for many waterproofing businesses. It can make the company more marketable and create additional profits. Foundation repair work dovetails nicely with many waterproofing businesses. By offering more...
Winter 2012 News
The American Society for Testing and Materials (ASTM) has revised the standard specification for TPO roofing membranes. Titled ASTM D6878 Standard Specification for Thermoplastic Polyolefin-Based Sheet Roofing, the new requirements were approved this summer....
Green Energy Pumps Use Nature for Power and Drainage
By Melissa Morton The non-electric EGR pumps are installed vertically in the ground with a drill. The pump the water down under the foundation to meet back up with the natural water table. There is new technology that just may revolutionize the...
Waterproofing Bridges and Overpasses
A modern mix of sealants, membranes, and flashings are used to ensure that a bridge’s road deck can withstand the harsh environmental conditions they’re exposed to. Bridges and overpasses are a critical part of North America’s infrastructure. But they’re...
Mold Remediation: An Update
While mold no longer makes headlines, it’s still a common problem. Contractors involved in residential basement waterproofing should be aware of how to protect themselves from mold claims. Five years ago, mold and mildew litigation was at a fever pitch,...
Options for Retention Ponds
Ponds can be as small as a backyard water feature or as massive as this oil well waste pit. Either way, the goal is the same: to keep the contents from leaking into the ground. Retention ponds are used for storing everything from stormwater to mining...
Fall 2011 News
Grace China, Ltd., a subsidiary of W. R. Grace & Co. has announced plans to build a new factory in the central China city of Ezhou. The facility is expected to double Grace’s production capabilities for waterproofing products and other specialty construction...
Sloped Green Roofs
The Gallie Craig Coffee House, build atop a cliff overlooking the stormy North Atlantic, features a undulating green roof that blends seamlessly with the native prairie grasses surrounding it. Green roofs, developed in Europe in the 1970’s, are becoming...
