Lightweight Fill Systems
Our Lightweight Fill Systems, formerly known as Strata-Fill, are a line of dual-component polyurethane foam grouts that are used for a variety of applications, such as void filling, pipe abandonment, trench breakers, and cavity filling. Each batch goes through stringent testing and quality assurance standards to ensure reliability in the field.
How Lightweight Fill Systems Work
Trained professionals design solutions using these systems in several ways. In all cases, the Lightweight Fill Systems line is a 1:1 ratio system that is most commonly installed using a dual-component proportioning system and an impingement gun. The systems are heated as they are processed through the proportioner to pre-determined temperatures in the range of 110° F—140° F. While still in liquid form as the combined materials come out of the gun, they start to react to form a rigid solid polyurethane grout. The various systems in this line up have different reaction profiles and different densities. They are also available in both pour systems with long run times and a spray system that can be applied on vertical surfaces or used for trench breakers or pipe pillows.
Applications
The Lightweight Fill polyurethane systems can fulfill a wide variety of geotechnical applications. They were specifically formulated for certain sectors and project types where large voids need to be filled with lightweight material. The spray system was designed initially for the oil and gas industry to build trench breakers or pipe pillows, but has been used for so much more. Here are a few of the applications:
- Void Filling
- Cavity Filling
- Seawall Repair
- Culvert Repair
- Dam and Levee Stabilization
- Pipeline Trench Breakers, Pads, and Pillows
- Pipe and Tank Abandonment
Find Lightweight Fill Systems Technical Documents
Benefits of Lightweight Fill Polyurethane
Environmentally Inert
Our Lightweight Fill products are environmentally inert; once installed, they will not leach any chemicals into the soil or groundwater. Most of the systems in this line are available upon request as NSF-61 Certified material.
Hydrophobic/Hydro-Insensitive
Many of the Lightweight Fill Systems are hydrophobic or hydro-insensitive. This means that during installation, they will push water out of the way and not get diluted or affected by the presence of water.
Reactivity Ranges
Depending on your project's need, you may need faster or slower reactivity. The Lightweight Fill Systems line is able to fulfill your required time.
Highly Expansive
The Lightweight Fill Systems have a low density, offering excellent expansion.
Physical Properties of Lightweight Fill Systems
The above values are average values obtained from laboratory experiments and should serve only as guidelines.
NCFI Is a Proud Member of the Following Associations
American Society of Civil Engineers
Center for Polyurethanes Industry
Grain Elevator and Processing Society
International Concrete Repair Institute
National Concrete Masonry Association
National Foundation Repair Association
About Us
NCFI has been a global leader in polyurethane foam production since 1964. Seeing the ever-growing applications of polyurethane in the geotechnical stabilization market, NCFI opened the geotechnical division in 2008 in order to provide better service and products to our customers and contractors. Our foam systems are an adaptable, no-excavation solution for meeting geotechnical engineering challenges.
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