AquaTerratm Wall Systems
AquaTerra Combines Ingenuity With Proven Technologies to Create the Most Economical Wall System Ever!
Sheet piling and geogrid reinforcements have been around for decades, but they have always been used independently of each other due to the lack of a connection method. The AquaTerra GridSpine is the catalyst that brings these two technologies together for the first time and promises to forever change how engineers approach the design of new retaining walls.
An AquaTerra Wall System will install up to five times faster than a traditional modular block wall. How can this happen? With AquaTerra, the sheet piling arrives in the lengths you require. You simply embed them a few feet and then begin installing your reinforcements. It’s that quick!
Here’s the installation sequence:

Northstar recommends the use of the Tensar Bodkin connection (not shown for simplicity) for making the mechanical connection between the geogrid and the connection rod. Overlapping the grid and filling with crushed stone is an alternative connection method.
DOWNLOAD THE AQUATERRA INSTALLATION GUIDE.
AquaTerra Not Only Installs Faster, it’s Less Expensive to Get On-site!
We recently looked at a scenario comparing the freight cost of block to that of vinyl. Consider the scenario of building a 20’ high retaining wall:
Using block, one flat bed truck can deliver approximately 25 running feet of wall.
Using AquaTerra, that same truck can deliver approximately 700 running feet! That’s 27 times more material on a truck!
AquaTerra is the Most Versatile Wall System on the Market Today!
Here are a few examples of AquaTerra’s versatility:
AquaTerra Creates A Whole New Way to Anchor A Seawall System.
Imagine eliminating the need for steel hardware in a seawall system! If you can, then you see the benefit of AquaTerra tiebacks. Simply locate the GridSpines in the tieback locations and attach your geogrid reinforcements. The distance between grids, their location from the top elevation, and their lengths are design issues for an engineer, but a 100% synthetic option is a huge benefit in any environment.

The AquaTerra Modular Levee Systemtm. Introducing the New Standard in Levee Design.
How do you reduce a levee footprint by 60%? How do you stretch your budget and do more levee work for the same amount of money? How do you build the best levee system possible? You accomplish all three of the above when you choose AquaTerra! Northstar has several levee designs. Check with your Northstar Representative for more information on Modular Levee Systems!
Levee systems having reversing/alternating GridSpines allow shoulder walls and/or geotextile-reinforced berms to be built alongside the main levee system.
US and Foreign Patent pending. Marketed under an exclusive arrangement with Tensar International Corporation.
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