What collects soil gas?
Identify the aggregate, drainage material, mat or piping used to let soil gas reach the vent connection beneath each relevant foundation area.
New-home planning · Lincoln, Nebraska
Plan the radon system before the concrete closes the options.
Coordinate the foundation, soil-gas path, vent, sealing and future fan power while each part is accessible. Provider matching is inactive; this preview sends no information.
Passive does not mean proven
A passive system is preparation, not a radon test result.
Radon-resistant construction uses a barrier and a vent path to resist soil-gas entry and move gas outdoors without a fan. If testing later shows that more reduction is needed, the planned pipe route and electrical provision can make activation more direct.
Only a radon test shows the indoor concentration. EPA advises testing a new home after occupancy even when radon-resistant features were installed.
Nebraska project check
Confirm the current rules before work begins.
Nebraska DHHS summarizes state RRNC requirements for covered new residential and original commercial construction, along with listed exemptions and local code-enforcement context.
Do not use this page as a code determination. Nebraska’s requirements can depend on the project and applicable code enforcement. Ask the local building official and project professionals which current provisions, permits and inspections apply.
Construction sequence
Decide each part while it is still visible.
The installation details vary with foundation type and plan. The useful discipline is to document the collection zones, keep the soil-gas path continuous and preserve an accessible route for future activation.
01
Before the slab
Coordinate the gas-permeable layer or collection pathway, separated foundation zones, sump details and the soil-gas barrier.
02
During the rough-in
Place and label the gas-tight vent, plan positive drainage and keep the route clear through the building to above the roof.
03
Before finishes
Seal penetrations, verify accessible labels and provide an approved electrical location for a future fan if activation is needed.
04
After occupancy
Test the home, keep the result with the system documents and use qualified help if activation or corrective work is required.
Plan review
Ask the drawings and scope to answer six questions.
What forms the barrier?
Show the membrane or vapor retarder, laps, penetrations and sealed sump details that separate soil gas from occupied space.
Which zones connect?
Footings and mixed basement, slab and crawlspace areas can interrupt airflow. Document how each separated area is served.
Where does the vent run?
Record pipe size and material, labels, drainage, roof termination, supports and a route that remains identifiable and serviceable.
How can it activate?
Reserve an appropriate fan location and electrical provision without representing the passive pipe as an operating active system.
Who verifies the result?
Put post-occupancy testing and any needed activation or follow-up work into the handoff plan, with roles checked against Nebraska requirements.
Buyer and owner handoff
Keep enough information to use the system later.
- Foundation plan showing collection zones and vent connections
- Photos taken before the slab and finishes conceal components
- Vent route, labels, roof termination and future fan location
- Sump-cover, membrane, sealing and electrical details
- Applicable approvals, inspections and responsible trades
- Post-occupancy test result and next-step instructions
After the build
Test first; activate when the result supports it.
A passive vent has no operating gauge and cannot report the indoor radon level. Review radon testing options after occupancy. If the result calls for additional reduction, compare the existing rough-in with the complete system-installation checklist.
For a broader explanation of active soil depressurization, see radon mitigation guidance for Lincoln homes.
Official guidance
Use the state requirements and the EPA construction sequence together.
- Nebraska DHHS: RRNC Requirements and Recommendations
- Nebraska DHHS: Quick Summary of RRNC
- EPA: How to Address Radon When Building a New Home
- EPA: Radon-Resistant Construction Basics and Techniques
Source review: July 15, 2026. General planning information only; confirm current project requirements with the local building official and qualified project professionals.
Planning before the slab is poured?
Share the foundation plan, construction stage and any radon provisions already specified. Provider matching is not yet active, and this preview will not transmit your information.