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Tyvek® Soft, 75 sq.m.

Tyvek® Soft, 75 sq.m.

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DuPontTM Tyvek® Soft one-layer breathing diffusive membrane meant for walls and roof.
The product of exclusive characteristics is received thanks to the unique production technology of high level. It is completely impermeable to wind and water, but it also has high characteristics of vapor permeability. The Tyvek® products have an exceptionally thick functional layer, which makes the product durable and lasting. The membrane is laid directly on the heating material without leaving any additional gap for air.

We recommend:
To glue the membrane‘s junctions with Tyvek adhesive tape. Only the solid construction will be especially impermeable to wind and water.

Name: 1560B; Tyvek® Soft
Composition of the material: HD-PE (polyethylene of high density)


PARAMETERS
CLASSIFICATION
UNIT
NOMINAL VALUE (average)
TOLERANCES
Min.
Max.
Roll’s length
EN 1848-2
m
50
0
-
Roll’s width
EN 1848-2
m
1,5
-0,5 %
+1,5 %
Roll’s size
-
m2
75
-
-
Tolerance of material’s size
EN 1848-2
mm/10m
-
-
30
Weight
EN 1849-2
g/m²
60
53
67
Thickness of the functional layer = thickness of membrane
-
μm
175
-
-
Classification, according to inflammability
EN 11925-2
Class
E-d2

Waterproofness
EN 1928 (method A)
Class
W1
-
-
Sd coefficient
EN ISO 12572
m
0,025
0,01
0,04
Resistance to stretching (MD)
EN 12311-1
N/50 mm
165
125
205
Elongation during stretching (MD)
EN 12311-1
%
9
6
12
Resistance to stretching (XD)
EN 12311-1
N/50 mm
140
110
170
Elongation during stretching (XD)
EN 12311-1
%
15
10
20
Resistance to rupture (nails) MD
EN 12310-1
N
65
40
90
Resistance to rupture (nails)) XD
EN 12310-1
N
60
40
80
Resistance to air penetration
EN 12114
m³/(m² h 50 Pa)
-
-
0,25
Stability of dimensions (MD & XD)
EN 1107-2
%
-
-
1
Durability at low temperature
EN 1109
°C
-
-
-40
Data after artificial aging:
Resistance to stretching (MD)
Elongation during stretching (MD)
Resistance to stretching (XD)
Elongation during stretching (XD)
Waterproofness
EN 1297 & EN 1296
EN 12311-1
EN 12311-1
EN 12311-1
EN 12311-1
EN 1928 (A)

%
%
%
%
Class
Residual value
80
70
80
70
W1

-
-
-
-
-

-
-
-
-
-
Additional information





Temperature range of usage
-
°C
-
-40
+100
Resistance to UV rays
-
months
-
-
4
Height of water pillar
EN 20811
m
-
1,5
-
Impermeability to wind
-
-
Yes
-
-

It satisfies the requirements of the standard LST EN 13859-1:2005 + A1:2009 “Flexible sheets for waterproofing - Definitions and characteristics of underlays - Part 1: Underlays for discontinuous roofing” and its supplement ZA.

Made by DuPont, Luxembourg