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| Bitumen underlays, top layers |
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Provide an extra protection at any time
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Protect decking material from wind-driven rain and snow as well as from ice dams
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Reduce visible outline of deck panels
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Allow you to install shingles on roofs with a slope below 20°C
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Provide an extra barrier to dust infiltration
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Are 100% compatible with shingles thanks to their bitumen content
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Characteristics |
Measurement unit |
BIKROELAST PV S4b
(Top layer) |
BIKROELAST V S3s
(Underlay) |
|
Thickness |
mm |
3±0,2 |
3±0,2 |
|
Base |
- |
polyester 160 g/m² |
fibre glass 70 g/m² |
|
Surfacing |
- |
slate |
film or sand |
|
Tensile strength: lengthwise/transverse |
N/50mm |
≥600/ ≥400 |
≥400/ ≥200 |
|
Roll dimensions |
m |
10x1 |
15x1 |
|
Characteristics |
Measurement unit |
BIPOL PV S3,5b
(Top layer) |
|
Thickness |
mm |
3,5±0,2 |
|
Base |
- |
polyester 160 g/m² |
|
Surfacing |
- |
slate |
|
Tensile strength: lengthwise/transverse |
N/50mm |
≥600/ ≥300 |
|
Roll dimensions |
m |
10x1 |
|
Characteristics |
Measurement unit |
TECHNOELAST PV S4b
(Top layer) |
TECHNOELAST PV S4s
(Underlay) |
|
Thickness |
mm |
4,2±0,2 |
4±0,2 |
|
Base |
- |
polyester 200 g/m² |
polyester 200 g/m² |
|
Surfacing |
- |
slate |
sand |
|
Tensile strength: lengthwise/transverse |
N/50mm |
≥850/ ≥600 |
≥850/ ≥600 |
|
Roll dimensions |
m |
10x1 |
10x1 | 
|
Characteristics |
Measurement unit |
BALT PV S4b
(Top layer) |
BALT PV S3s
(Underlay) |
|
Thickness |
mm |
4,2±0,2 |
3,0±0,2 |
|
Base |
- |
polyester 200 g/m² |
polyester 160 g/m² |
|
Surfacing |
- |
slate |
sand |
|
Tensile strength: lengthwise/transverse |
N/50mm |
≥800/ ≥600 |
≥700/ ≥500 |
|
Roll dimensions |
m |
10x1 |
10x1 |
|
Characteristics |
Measurement unit |
UNIFLEKS PV S4b
(Top layer) |
UNIFLEKS PV S3s
(Underlay) |
UNIFLEKS V S4b
(Top layer) |
UNIFLEKS V S3s
(Underlay) |
|
Thickness |
mm |
4,2±0,2 |
3,2±0,2 |
4,0±0,2 |
3,2±0,2 |
|
Base |
- |
polyester 180 g/m² |
polyester 160 g/m² |
fibre glass 70 g/m² |
fibre glass 70 g/m² |
|
Surfacing |
- |
slate |
sand |
slate |
sand |
|
Tensile strength: lengthwise/transverse |
N/50mm |
≥800/ ≥450 |
≥800/ ≥450 |
≥400/ ≥300 |
≥400/ ≥300 |
|
Roll dimensions |
m |
10x1 |
10x1 |
10x1 |
10x1 |
|
Characteristics |
Measurement unit |
BIT V 13b |
BIT V 13s |
|
Thickness |
mm |
2,8±0,2 |
2,0±0,2 |
|
Base |
- |
fibre glass 70 g/m² |
fibre glass 70 g/m² |
|
Surfacing |
- |
slate |
sand |
|
Tensile strength: lengthwise/transverse |
N/50mm |
≥400/ ≥300 |
≥400/ ≥300 |
|
Roll dimensions |
m |
10x1 |
15x1 |
< For more tech info of underlays, top layers...
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