Wolfin Membranes

What is Wolfin? Where can it be used? Wolfin's Product Range
Wolfin Specification Technical Data and Test Results
Typical Installation Photos Technical Drawings


Technical Data and Testing
THE SUPERIOR WATERPROOFING MEMBRANE
Summary of technical investigations carried out on Wolfin IB
Physical Properties - GeneralPhysical Properties - DirectionalService Performances

No.1 Physical properties – General

Tests (Units)

Method*

Mean Results

Density (kgm-3)

MOAT 29:4.4

2281

Ash Content (%)

MOAT 29:4.5

7.61

Dehydrochlorination inflection time (minutes)

MOAT 29:4.11

-unaged

39.4

-180 days heat aged at 80 oC

33.9

-UV aged (1)

26.4

-bitumen treated (2)

33

Water Absorption (%)

BS 2782(430A)

0.37

Water vapour permeability (gm-2d-1)

BS 3177

2.6

(75% RH/25oC)

Water vapour resisitance (Mnsg-1)

BS3177

2.6

(75% RH/25 oC)

78.9

Plasticizer content (%)

MOAT 29:45.6

-unaged

18.52

-180 days heat aged at 80

18.48

-180 days water soak at 23

19.89

-SO2 aged (3)

20.3

-bitumen treated (2)

15.53

 

(1) 1000 light hours UV aged in general accordance with ASTN 53-7.

(2) bitumen embedded in 95/25 grade bitumen aged for 90 days at 50.

(3) SO aged for 28 days in accordance with MOAT 29 : 1984, 4.19.4.

• Test documents are detailed below. Numbers in the table refer to sections/parts of the various documents.

• Terokal Alufixband can also be used to bond Wolfin to steel, copper or glass

UEAtc MOAT 27: 1983 general directive for the assessment of roof waterproofing systems.

UEArc MOAT 29: 1984 Directives for the Assessment of Roofing Systems using PVC sheets without reinforcement, loose laid under heavy protection and not compatible with bitumen.

BS 2782 Method of testing plastics.

BS 3177: 1959 Method for determining the permeability of water vapour of flexible sheet materials used for packaging.

No.2 Physical properties – Directional

Test (Units)

Method*

Mean

Results

Longitudinal

Transverse

Tensile strength (Nmm-2)

MOAT 29:4.8

-unaged

17.7

16.9

-180 days heat aged at 80 oC

17.7

17.4

-56 days water soak at 25 oC

17.4

16.3

-UV aged (1)

17.4

17.2

-SO2 aged (2)

16.6

15.8

-bitumen treated (3)

18.5

17.3

MOAT 29:4.8

Elongation (%)

-unaged

348

365

-180 days heat aged at 80 oC

329

361

-56 days water soak at 23 oC

335

334

-UV aged (1)

330

368

-SO2 aged(2)

368

371

-bitumen treated(3)

318

326

Tear propagation (mean load Nmm-1)

BS2782 (360B)

79.6

89.8

Dimension free stability (%)

MOAT

27:5.1.6.1

Dimensional restrained stability (%)

MOAT

-1.03

0.89

27:5.1.6.1

 

(1) 1000 light hours UV aged in general accordance with ASTM 53-77 (4 hours 45 C UV/4 hours 40 C condensation).

(2) 28 days SO aged in accordance with MOAT 29: 1984, 4.19.4.

(3) bitumen embedded in 95/25 grade bitumen aged for 90 days at 50 C.

• Test documents are detailed below. Numbers in the table refer to sections/ parts of the various documents.

• Terokal Alufixband can also be used to bond Wolfin to steel, copper or glass

UEAtc MOAT 27: 1983 General Directive for the Assessment of Roof Waterproofing Systems.

UEAtc MOAT 29: 1984 Directives for the Assessment of Roofing Systems using PVC sheets without reinforcement, loose laid under the heavy protection and not compatible with bitumen.

No.3 Service performances

Test (Units)

Method*

Mean Results

Water pressure (6 metres)

MOAT 27:5.14

No penetration

Low temperature flexibility (at -25 oC)

MOAT 27:5.4.2

-unaged

No cracking

-180 days heat aged at 80 oC

No cracking

-UV aged

No cracking

Static indentation

MOAT 27:5.1.9

-concrete sybstrate

L4

expanded polystyrene

L4

Dynamic Indentation

MOAT 27:5.1.10

-chipboard substrate

I4

-expanded polystyrene

I3

Unrolling ar low temperatures/0 oC

MOAT 27:5.4.3

Satisfactory

Tests on joints Air pressure at 10kPa

MOAT 27:5.2.1

-hot air weld

No penetration

-solvent weld

No penetration

Tensile strength (N)

MOAT 27:5.2.2/4

hot air weld

-unaged

944

-28 days heat aged at 80 oC

910

-7 days water soak at 60 oC

822

solvent weld

-unaged

851

-28 days heat aged at 80 oC

913

-7 days water soak at 60 oC

855

Weldability (Nmm-1)

MOAT 29:4.17.2

-hot air weld

2.94

-solvent weld

2.88

 

(1) Results are satisfactory for the central zones of roofs up to 20 m in height in the UK.

• Test documents are derailed below. Numbers in the table refer to section/ parts of the various documents.

• Terokal Alufixband can also be used to bond Wolfin to steel, copper or glass

UEAtc MOAT 27: 1983 General Directive for the Assessment of Roof Waterproofing Systems.

UEAtc MOAT 29: 1984 Directives for the Assessment of Roofing Systems using PVC sheets without reinforcement, loose laid under the heavy protection and not compatible with bitumen.