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From [Institution name]
| Property |
Rn Concentration in Dosing Compartment (kBq/m3) |
Rn Concentration in Receiving Compartment (Bq/m3) |
Result |
|---|---|---|---|
| Floor assembly with Radon Guard™ |
4.58 |
48.79 |
Radon Guard™ is comparable to gravel in terms of radon infiltration under the test conditions. |
| Floor assembly with gravel |
4.27 |
35.59 |
| Property |
Flow Rate Through Exhaust Fan (cfm) |
Pressure Under Floor Panel (Pa) |
Pressure Under Radon Guard™ (Pa) |
Pressure in Sand Layer (Pa) |
Pressure in Dosing Compartment (Pa) |
Result |
|---|---|---|---|---|---|---|
| Floor assembly with Radon Guard™ |
38.4 |
−1.1 |
−1.7 |
−2.1 |
−28.6 |
Radon Guard™ is comparable to gravel in terms of sub-slab pressure communication under the test conditions. This result demonstrates that the product is able to serve as a sub-slab gas permeable layer as comparable to prescriptive gravel. |
| Floor assembly with gravel |
38.7 |
−0.9 |
−1.4 |
−2.0 |
−29.2 |