Septic Components Built to Fit, Retrofit, and Hold Up
Designed for New and Existing Septic Systems
BrenLin designs and manufactures Seal-R® products that integrate seamlessly with new and retrofit installations. Built for installers who need flexibility in the field, distributors who rely on consistent quality, and homeowners who expect solutions that last.
The Seal-R® Product Line
Designed to work together—or on their own
Seal-R® products are designed to be used individually or combined based on the needs of each job. Covers, adapter rings, and secondary safety covers each play a distinct role—supporting fit, stability, access, and protection across a wide range of tank configurations and site conditions.
This modular approach allows installers to build the right solution for the job—adding components where needed without forcing a one-size-fits-all approach. Whether addressing access, compatibility, or safety considerations, Seal-R® products integrate cleanly and are built to hold up over time.
Seal-R® Septic Covers are designed to perform in demanding conditions where fit, strength, and reliability matter. Manufactured from impact-resistant materials and offered in a broad range of sizes, Seal-R® covers help installers and homeowners address variability in riser openings and site conditions—without excessive modification or guesswork.
Seal-R® Covers are available in 12"–42" diameters, including 36" and 42" options for large-diameter access points where standard lids don’t apply. Mounted at ground level on the riser, Seal-R® Septic Covers are built to resist cracking, maintain performance, and support safer service and maintenance throughout the life of the system.
Impact-resistant construction designed for long-term durability
Broad size range to accommodate riser and site variability
Precision fit that helps reduce adjustments and rework
Secure fastening design built to hold up over time
Engineered for reliability in demanding installation environments
Seal-R® Adapter Rings are designed to connect corrugated dual-wall riser pipe to the tank opening—creating a stable, watertight seal. Manufactured from durable LDPE, these rings help installers accommodate tank variability while reducing the risk of groundwater infiltration and long-term moisture-related issues.
By attaching directly to concrete and allowing riser pipe to be cut to exact height in the field, Seal-R® Adapter Rings reduce joints, simplify installation, and minimize common failure points—whether used in new or retrofit installations.
When paired with Seal-R® Covers and Safety Covers, adapter rings form a flexible access solution that installs efficiently, maintains a watertight seal, and supports safer access.
Direct-to-concrete attachment for a secure, stable connection
Watertight seal designed to help prevent groundwater infiltration
Durable LDPE construction built for long-term performance
Field-cut riser compatibility for precise height adjustment
Reduced joints to minimize potential failure points
Seal-R® Safety Covers are designed to provide an added layer of protection beneath the primary septic cover. Designed to fit on top of the Seal-R® Adapter Ring, these secondary covers reduce the risk of accidental access if the surface cover is removed, damaged, or compromised during service.
Manufactured for durability and reliable fit, Seal-R® Safety Covers integrate seamlessly with Seal-R® Adapter Rings and Septic Covers—supporting safer access solutions without adding complexity to installation. Designed to sit securely in place, they provide dependable secondary protection while maintaining long-term performance.
Secondary safety protection designed to help prevent accidental access
Designed to sit securely on the adapter ring without fasteners or added complexity
Durable construction built to hold up over time
Seamless system integration with Seal-R® Covers and Adapter Rings
Supports safer service and maintenance during routine access
Built for Performance, Fit, and Safety
Every Seal-R® product is engineered for durability, precision, and safety—from design through manufacturing. With in-house engineering and U.S.-based production, BrenLin maintains direct control over quality and consistency to deliver septic solutions built to perform over time.
“We have been working with BrenLin for the past 4 years. They are the only company we trust to provide our septic covers. Great customer service and the products are the best we have seen out there in our line of work. Tom is always very helpful and willing to go the extra mile to make sure we have the inventory we need when we need it!”
– Cindy T., BrenLin Customer - Google Review
Septic Access Resource Center
Clear answers. Better decisions. Fewer problems down the line.
Looking for guidance on sizing, system design, or safety? BrenLin’s resources hub offers clear, practical information to support confident product selection and installation decisions.
Have a question about fit, installation, or product selection?
Our team is here to help you find the right solution.