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Building Envelope Waterproofing Systems


Building Envelope Waterproofing Systems effectively deal with rainwater and groundwater challenges facing the roof, podium, terrace and foundation of a building through the use of green roofs, podium/terrace planters and foundation drains.

These solutions typically consist of a combination of plastic composite drainage cores with adhered geotextile fabrics. The plastic composite "dimpled" drainage cores are available in various configurations and are constructed using polypropylene, polystyrene and polyethylene. The geotextile fabrics retain sand, soil, concrete, or grout allowing water to migrate into the free draining core.


Green Roofs

A green roof, or living roof, is a roof that is partially or completely covered with vegetation, planted over a waterproof membrane. They serve several purposes for buildings such as absorbing rainwater, reducing stormwater runoff, providing insulation, creating a habitat for wildlife and...

Podium / Terrace Planters

Podium Planters and Terrace Planters capture water to minimize the amount of stormwater requiring management. Similar to green roofs, they store water which is taken up by plants and returned to the atmosphere by transpiration and evaporation. These podium/terrace solutions can also lead to...

Foundation Drain

A foundation drain is installed against the foundation of a building in order to collect excess groundwater with the purpose of draining it away from the building. Foundation drains remove the effect of water against the foundation...

Twentymile Mine, Sage Creek Portal Water Management

The Twentymile Mine in Routt County, Colorado is one of the largest underground mines in the United States. The Sage Creek portal is a new extension to the mine that provides access to an additional 105 million tons of coal...

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ECO₂ Calculator

Get FREE access now! Using the Nilex ECO2 Calculator, you can calculate the economic and environmental benefits when using geosynthetic materials versus conventional methods. This includes project cost savings, total CO2 emissions and percentage CO2 savings.

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ECO₂ Calculator


I want to thank you for getting things organized as quickly as you did for us and for the follow up calls and site visits that allowed us to get this work done and meet our schedule dates for the road work. As well, your product knowledge and ability to provide the technical support when dealing with the consultants was a major help in getting the system approved and installed correctly.

Bob T, Project Manager, MGP Construction Ltd.

Not only was there a substantial cost savings realized by the client, there was also a benefit to the road structure as well. The original design road structure number was 3.780 and a calculated traffic (ESALs) of 2,147,000. The revised road structure number using the TX5 is 4.260 and a calculated traffic (ESALs) of 4,593,000.

Jim B, C.E.T., Senior Project Manager, WSP Canada Inc.

Nilex was an invaluable asset in the successful completion of the Troutbrooke Drive Slope Stabilization project in Toronto, by providing engineering assistance, installation training and continuous on and off site technical support.

Terraprobe Engineering

The CULTEC system was simple to install. We will be recommending, and looking forward to using the Cultec system for future projects.

Kang Construction

We love you guys for getting this project [Energy Environmental Experiential Learning (EEEL) Building Grounds] completed in the timelines required.

S. Chan, EllisDon

Talk to Our Team

Want more information on our products and services? Need help with your order? Contact our team today.

With 38 years' experience in the geosynthetics industry and a long-standing commitment to the environment, our highly qualified staff can assess your needs and work with you to determine the best solution for the challenge you're facing.


Call: 303.766.2000

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