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From [Institution name]
Performance Requirements
| Property |
Unit |
Requirement (Type II)Footnote (1) |
Result |
|---|---|---|---|
| Unit mass of matFootnote (2) |
g/m2 |
≥ 180 |
190 |
| Minimum thickness |
mm |
≥ 0.51 |
1.24 |
| Breaking load |
kN/m |
≥ 5.2 |
17.8 MDFootnote (3) 11.6 XDFootnote (3) |
| Elongation |
% |
≥ 25 |
44 MD 55 XD |
| Trapezoid tearing strength |
N |
≥ 107 |
153.7 MD 152.6 XD |
| Puncture strength |
N |
≥ 169 |
336.9 |
| Heat distortion stability |
% change |
≤ 2 |
1.1 MD 0.4 XD |
| Moisture at point of manufacture |
% |
≤ 1.0 |
0 |
| Mass of bituminous saturant (asphalt) OR |
g/m2 Footnote (4) |
≥ 308 |
395 |
| Percentage of bituminous saturant |
% |
≥ 170 |
206 |
| Mass of comminuted surfacing (sand) |
g/m2 |
≤ 100 |
5.95 |
| Net dry mass of asphalt-impregnated polyester feltFootnote (5) |
g/m2 |
≥ 488 |
585 |
| Pliability at 25ºC - 12.7-mm (1/2-in.) radius bend |
– |
No failure |
Passed |
| Pliability at –5ºC - 12.7-mm (1/2-in.) radius bendFootnote (6) |
– |
No failure |
Passed |
| Loss on heating at 105ºC for 5 h |
% |
≤ 4 |
0.25 |
| Behaviour on heating |
– |
No flowing, sagging, blistering or absorption of the coating |
Passed |
| Water vapour permeance (Desiccant Method) |
ng/(Pa·s·m2) |
Report value |
5382.98Footnote (7) |
| Strain energy |
kN/m |
≥ 3.0 |
6.05 MD 4.22 XD |
| Dynamic cold temperature cycling |
– |
Peel strength must be min. 80% of original value |
Passed |
| Straightness |
mm |
≤ 50 |
5 |
| Flatness - dry |
mm |
≤ 10 |
3 |
| Flatness - mopped |
– |
Comparable to flatness of modified bituminous sheet membrane |
Passed |