The backfill sand used in T & J Panel Systems is crucial to the long term success of the septic system. Please contact our offices if you have any backfill sand related questions.  Click here for a county by county list of potential sources of backfill sand.  Be sure to check with these sources to ensure they supply the correct type of sand.
Backfill sand shall be a clean, screened, medium-grade sand that is naturally-occurring.  Acceptable sands are sands that are suitable for the production of ready-mix concrete and clean of organic debris and stone.  Sands dredged from rivers and creeks can be used, if gradation is sufficient to be blended into ready-mix concrete production.  Product description includes, but is not limited to: Concrete Sand, NC-2S Sand, ASTM C-33 Sand, FA-10 Sand and Grade “A” Sand.  Product suitability is important and T & J Panel, Inc. will help answer any questions.

Materials checklist

Vertical Installation Training Video

Statewide Suppliers

Installation of T & J Panels

All sand sources are required to be independently verified by the installer to ensure that the provided sand meets the specifications for backfill in a T & J Panel System.  T & J Panel has compiled a list of suppliers who have been reliable sources for appropriate backfill sand throughout North Carolina.  To inquire about a sand source in your area, contact our office at

704-924-8600, or email us at
T & J Panel DOES NOT GUARANTEE that the sand provided to you will meet the specifications required.  It is an installers responsibility to verify that the backfill sand is a clean, screened, medium-grade sand that is naturally-occurring.

Installation Checklist

sand sources

To help with installation, T & J Panel provides a jobsite materials checklist for use when installing a panel block system.  This list includes all the necessary materials to complete the installation of a T & J Panel System.  Please note that not all materials are available for purchase from

T & J Panel, Inc. and will require you to get those materials to the jobsite yourself.  To familiarize yourself with what
T & J Panels offers on the jobsite, watch the T & J Panel Order & Delivery Video.  If you have any questions about materials, or sources for materials in your area, please contact our offices.  Many suppliers across the state stock T & J Panels, as well as all additional products necessary to complete a full septic system installation.  Please reference our list of suppliers if you are looking for a local distributor for your job.

approved backfill sand

Installer Training

T & J Panel Suppliers

Please utilize these installation resources while installing the T & J Panel Wastewater Treatment System in North Carolina.  If you have any site specific questions, please do not hesitate to contact our offices at (704) 924-8600 to speak with a consultant.

T & J Panel Suppliers

T & J Panel is proud to work with suppliers across North Carolina to provide the T & J Panel Wastewater Treatment System to jobsites statewide.  Please feel free to contact a local supplier for a quote on your job, or you can always contact T & J Panel, Inc. directly to get a materials quote. 

T & J Panel offers statewide, Moffit delivery to your jobsite; contact our office today to schedule a delivery.

Horizontal Installation Training Video

While T & J Panels does not require a product specific installer certification, it is our goal to train installers to correctly install a panel block system.  If it is your first time installing, inspecting, or designing a system, please do not hesitate to reach out to us, or to ask us to include the installer training for your job.  Installation training will send a company representative to your jobsite to discuss the panel block system and how to properly install them. 

T & J Panels recommends an installation training for each orientation of the panel block system (both horizontal and vertical).  Contact our offices at 704-924-8600, or email to schedule an install training for your job.

1) Download and review the current T & J Panel Design, Installation and Maintenance Manual

You can also view our T & J Panel Order & Delivery Video to familiarize yourself with what to expect when ordering.
2)Am I installing a horizontal or vertical T & J Panel System?
​3) What are the lengths of each individual line?
​4) Is this gravity, pressure-manifold, or low-pressure distribution?
5) Contact T & J Panel for a materials estimate
6) Locate the closest source for the appropriate backfill sand
7) Determine the total amount of pipe needed

          What size pipe?   2-inch, 1 1/2-inch, 1 1/4-inch
​8) Determine the total amount of 1x6 needed (total trench length)
​9) Coordinate delivery of backfill sand to jobsite
​10) Coordinate delivery of the T & J Panel System
​11) Schedule an install training with T & J Panel (if needed)