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From [Institution name]
| Property |
Requirement |
Result |
|
|---|---|---|---|
| Tensile strength (MPa): |
machine direction |
Min. 12 |
25 |
| transverse direction |
Min. 8 |
22 |
|
| Elongation (%): |
machine direction |
225 |
711 |
| transverse direction |
350 |
658 |
|
| Water vapour permeance (ng/(Pa·s·m2)) |
Max. 15 |
0.61 |
|
| Impact strength (g) |
Min. 300 |
2 600 |
|
| Outdoor weathering resistance |
Retain minimum 50% of tensile elongation strength after exposure to accelerated weathering |
Pass |
|
| Assembly |
Rn Concentration in Dosing Compartment (Bq/m3) |
Rn Concentration in Receiving Compartment (Bq/m3) |
Result |
|---|---|---|---|
| Floor assembly with 6 mil poly |
5 192 |
342 |
The test assembly with the RadonBlock™ and butyl joint tape demonstrated lower permeability to Rn compared to the floor assemblies with the 6 mil poly or the 20 mil poly membranes with conventional sheathing joint tape |
| Floor assembly with 20 mil poly |
2 260 |
384 |
|
| Floor assembly with "RadonBlock™" |
3 362 |
124 |
| Assembly |
Flow Rate Through Exhaust Fan (L/s) |
Pressure Under Concrete Slab (Pa) |
Pressure Under Membrane (Pa) |
Pressure in Dosing Compartment (Pa) |
Pressure in Receiving Compartment (Pa) |
Result |
|---|---|---|---|---|---|---|
| Floor assembly with 6 mil poly |
26.6 |
−1.8 |
−3.1 |
−30.0 |
−0.9 |
"RadonBlock™" 6 mil poly and 20 mil poly membranes produced comparable results during the sub-slab pressure communication tests |
| Floor assembly with 20 mil poly |
25.2 |
−3.0 |
−3.0 |
−29.4 |
−4.4 |
|
| Floor assembly with "RadonBlock™" |
28.9 |
−0.6 |
−3.1 |
−29.8 |
−2.3 |