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Our nuclear surveys use a principle called neutron moderation to detect moisture:
Neutron Emission and Hydrogen Detection
Tiny neutrons are emitted from an isotopic source. These neutrons collide with hydrogen ions, and the gauge provides a numerical readout of hydrogen levels.
Speed Measurement and Baseline Establishment
We detect changes in the speed of the emitted neutrons, which slow down upon collision with hydrogen. Then we account for the baseline hydrogen content of dry roofing materials. Elevated hydrogen levels indicate moisture damage—H2O
Grid Measurement and Data Analysis
Surveys are typically conducted on a 10' x 10' grid pattern across the entire roof surface. Using statistical and visualization tools, we convert the raw data into an AutoCAD® map of moisture penetration.
With our Nuclear Roof Moisture Surveys, you can:
Don't let hidden deep moisture compromise your roof's integrity. Our Nuclear Roof Moisture Surveys provide the accurate, scientific information you need to make smart roofing decisions, even for challenging roof types.