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CLASSIC BITUMEN MEMBRANES
Membrane for waterproofing from this product family have been made from mixture of industrial (oxidized) bitumen and filling material.
VOALFIM V2 V3 V4
SRPS U.M3.231 Bitumen membranes with glass voal insert providing optimal
dimensional stability, coated on both sides with bitumen mass and protected with
plastic foil or appropriate mineral material (quartz sand). |
VOALFIM V2 is used as sub-layer under shingle.
VOALFIM V3 V4 are applied in the flat roofs waterproofing system as sub-layers and
inter-layers, or membranes for waterproofing with heavy protection, i.e. pebble, concrete plates, etc.

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Characteristic |
Unit |
VOALFIM V2 |
VOALFIM
V3 |
VOALFIM V4 |
|
Length |
m |
10,0 |
10,0 |
7,5 |
|
Width |
cm |
100 |
100 |
100 |
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Mass per unit area |
g/m² |
2.200 |
2.900 |
4.000 |
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Binder content |
g/m² |
1.200 |
2.000 |
2.800 |
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Thickness |
mm |
2,0 |
2,6 |
3,5 |
|
Tensile strength |
longitudinal |
N/5
cm |
250 |
300 |
350 |
| transversal |
N/5
cm |
150 |
200 |
250 |
| Elongation at break |
longitudinal |
% |
2 |
2 |
2 |
| transversal |
% |
2 |
2 |
2 |
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Flow resistence at elevated temperature |
ºC |
+70 |
+70 |
+70 |
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Flexibility at low temperature |
ºC |
+4 |
+4 |
+4 |
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