Durability of Rhepanol fk – 5-times independently tested and 5-times … Times Tested... · 2020-04-19 · 5-times independently tested and 5-times proven. ... Roof report For more

Durability of Rhepanol® fk –

5-times independently tested and 5-times proven. Roofing membranes

Roof report

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Rhepanol fk is the name of our synthetic roofing membrane,

which has been applied on more than 70 million square metres

of roof area worldwide. We at FDT know its practical strengths

and regard this measurable success as proof of our work.

However, being manufacturers with a strong commitment to

quality, we attach the same importance to the opinion of inde-

pendent experts. Therefore, on our request, the Material Testing

Institute Darmstadt has been testing buildings waterproofed with

Rhepanol fk for a long time. In this roof report we have com-

piled for you after many years of wear, the condition and stabili-

ty of the membrane and the further anticipated life expectancy.

The Material Testing Institute (MPA) in Darmstadt together

with the Materials Department and Institute (IfW) of the Darmstadt

Technical University forms the independent centre of competency

for materials and components analysis. For them, testing is a

vocation – in the building industry as well as in many other fields.

The scientists and test engineers are renowned experts for product

scrutiny. Their opinion is highly appreciated throughout the

industry.

The standard DIN 16 731 is a recognized official quality

benchmark defining requirements for new roofing membranes.

Rhepanol fk has been tested to these criteria and has shown

sensational results. Even 23-year-old Rhepanol fk has proven to

be of the same quality as new material.

Object of survey

Testers with a passion

What is the approach?

Long live our roofing membranes.

The expert's opinion:

The official results of the Material

Testing Institute are proof of the

outstanding durability of Rhepanol fk.


The moment of truth for a flat roof

It came on the 11th of April 2002. A test engi-

neer from the Material Testing Institute (MPA)

climbed up onto the roof of the factory of a

components supplier and took a sample. The

question to be answered: Is the roof of this

international gasket manufacturer still top quality?

A strong piece of history

The roofing membrane on top of the factory of

ElringKlinger was installed in 1983 and mecha-

nically fastened at the membrane overlap (also

called “seam fastening”). As a thermal insula-

tion layer, rigid polystyrene foam boards with

rebated edge were applied.

What did the experts say?

Along with the customer, who had already

expressed his satisfaction, the engineer, after

having surveyed the project and tested the

material, also came to a positive conclusion. Even

after 20 years of service there was no visible

damage either of the main 6,000 m2 roof area or

at the membrane overlaps. Rhepanol fk was and

still is in full compliance with DIN requirements

for newly manufactured membrane.

Top performance in figures

Actual proven service life: 19 years with virtually

no deterioration.

Rhepanol® fk in practice:

Company ElringKlinger, Dettingen

ELRINGKLINGER,DETTINGEN

Year of application: 1983

Roof area: 6,000 m2

System: Rhepanol fk

Solution: mechanically faste-ned at the membrane edge(seam fastening), thermalinsulation layer made of backed rigid polystyrene foam (boards with rebatededge)

Sampling: 11.04.2002

Result: Requirements accor-ding to DIN 16 731 are meteven after 19 years of service

*Arithmetic mean, if not indicated otherwise

Test report results K 01 0914.3

Properties Findings* after 19 years Requirements for new material according to DIN 16 731

General condition free from blisters, cracks free from blisters, cracksand cavities and cavities

Overall thickness d smallest single value: 2.36 smallest single value: ≥2.2in mm average value: 2.47 average value: from 2.3 to 2.8

Elongation at max. along: 480tensile force Fmax in N ≥ 400across: 515

Elongation at max. along: 72tensile force εB in % ≥ 50across: 78

Tear-growth along: 74resistance/Graves in N ≥ 60across: 83

Perforation test watertight at fall 300 mm watertight at fall 300 mm

Dimensional stability along: -0.1 (6 h /80 ˚C) in % ≤ 1across: -0.1

Condition after warm no blistering no blisteringstorage

Bending at low no cracks no crackstemperatures -20 ˚C


Novotel is a brand name of the Accor hotels and has

more than 370 hotels worldwide. Taking accommo-

dation here means staying in modern 3 star rooms,

and for guests of the Novotel Bremer Kreuz it even

means getting a good nights sleep under a roof

covered by FDT.

There is a total of 36 Novotel hotels in

Germany. The Novotel Bremer Kreuz

near the Hanseatic city of Bremen is one

of them. Its storeys are crowned with a

roof covered with Rhepanol fk, installed

in 1981.NOVOTEL,ACHIM


Roof area: 2,000 m2

System: Rhepanol fk

Solution: mechanically faste-ned at the membrane edge(seam fastening), thermalinsulation layer made of backed rigid polystyrene foam (boards with rebatededge)





Site of the test: Achim-Uphusen near Bremen. On

June 19, 2001, a representative of the MPA set

out for the local Novotel. His objective was to

test the flat roof. On the rooftop, he took some

sample material for testing.


Characteristics of the flat roof installed in 1981:

Rhepanol fk (at that time still supplied by BRAAS),

installed on an area of 2,000 m2 and mechani-

cally fastened at the membrane overlap. As a

thermal insulation layer, rigid polystyrene foam

boards with rebated edge were applied.


For us, the trip to Bremen turned out to have

been worthwhile: On the main roof areas no

deterioration in quality could be discovered.

Also the self sealing overlaps have endured the

two decades without any deterioration. These

“official” findings perfectly justified Novotel's

own opinion. The companys management is

still glad to have made this choice.



no deterioration.


Novotel, Achim














An arial view over the Berlin housing

estate at the Argentinische Allee,

thoroughly protected by 6,000 m2

Rhepanol fk at top form.

Not only for commercial buildings is Rhepanol fk an

obvious solution. This economic and reliable flat

roof lends itself also to residential buildings such as

on this housing estate. Its investors can take it

easy. There won't be any maintenance bills for a

long time!

HOUSING ESTATE ARGENTINISCHE ALLEE

Year of application: 1984/85

Roof area: 6,000 m2

System: Rhepanol fk

Solution: mechanically faste-ned on a timber decking





Berlin is always worth a trip. Whether regular

tourists would have visited the housing estate

at the Argentinische Allee, however, is unlikely.

The fact is, an MPA representative has surveyed

the roof of the residential building no. 171 and

has taken a sample of Rhepanol fk.


In 1984/85, the housing estate underwent

major refurbishment, including the flat roofing.

In order to avoid costly disposal of the old

roofing material, Rhepanol fk was laid on the

existing old bituminous coverings and fastened

mechanically to the original timber boarding.


This exercise shows that even after 16 years the

roofing membrane has the same functional

qualities as is required for new material accor-

ding to DIN 16 731.



no deterioration.


Housing estate Argentinische Allee, Berlin










Dimensional stability along: +0.1 (6 h /80 ˚C) in % ≤ 1across: +0.1




Everything but fragile - the roof of the

Glass Systems factory, a member of the

DURA group of companies. In 1981 the

buildings of the subsidiary in Plettenberg

were covered with Rhepanol fk.

DURA is an acknowledged component supplier to

manufacturers of passenger cars and small lorries.

Today, you will find components from the compre-

hensive DURA product range in almost every car

coming off the assembly lines.

DURA(FORMERLY SCHADE)


Roof area: 10,000 m2

System: Rhepanol fk

Solution: mechanically faste-ned, partly seam fastening or adhesive bonding





July 9, 2002. That day, sampling was to be carried

out in order to examine how Rhepanol fk had

served as a waterproofing on top of the factory

roof during all these years. The expert in charge

from the Material Testing Institute conducted

the tests very thoroughly.


In 1981 Rhepanol fk was applied in Plettenberg.

To a total area of 10,000 m2, the roofing mem-

brane was installed partly by mechanically

fastening and partly by adhesive bonding.


Considering a service life of more than two

decades, the test results are even more impres-

sive. The complete roof area, including the self

sealing overlaps, were found to be in impeccable

condition.



no deterioration.


Subsidiary DURA, Plettenberg














The component supplier's factory is

located in Elsendorf. During the refur-

bishment in 1979, a total of 7,500 m2

of Rhepanol fk was installed on the old

bitumen roof.

The Autoform Kunststoffteile GmbH & Co. KG forms

part of the worldwide operating Grupo Antolin and

supplies German car manufacturers with seats,

door panels, headliners and mechanical devices.

AUTOFORMKUNSTSTOFFTEILE


Roof area: 7,500 m2

System: Rhepanol fk

Solution: mechanically faste-ned on a timber decking





The testing on August 6, 2002, shall be the final

stop in our roof report. This time, the factory

floor of the company Autoform Kunststoffteile

in Elsendorf was put to the test. In order to obtain

convincing test results, again roof samples were

taken.


The roof refurbishment was originally done in

the course of a building reconstruction. That

was in 1979. Since then, Rhepanol fk has been

serving well, mechanically fastened over a

bituminous membrane to a timber decking.


No problems! Everything still waterproof over

an area of 7,500 m2. This should be taken for

granted, when considering that a timber sub-

strate often may induce small cracks to traditional

bituminous coverings at critical areas such as

joints. Rhepanol fk, however, has stood up to

all challenges.



no deterioration.


Autoform Kunststoffteile, Elsendorf










Dimensional stability along: ±0 (6 h /80 ˚C) in % ≤ 1across: -0.2




Roof report

Export department:

Phone +49 - 6 21- 85 04 -3 72

Fax +49 - 6 21- 85 04 -3 78

E-Mail [email protected]

FlachdachTechnologie GmbH & Co. KG

Eisenbahnstraße 6-868199 MannheimGermany

Tel +49 -6 21-85 04-0Fax +49 -6 21-85 04-2 05www.flachdachtec.de09 | 01| 03/05| 1500 |GB |


Documents

Durability of Rhepanol fk – 5-times independently tested and 5-times … Times Tested... · 2020-04-19 · 5-times independently tested and 5-times proven. ... Roof report For more