Investing into highest quality

Rhenofol® in the water retention reservoir La Florida

Rhenofol®

Even when installed not on a roof, Rhenofol shows its

excellence in long-term waterproofing. When used as a water-

proofing material for water retention reservoir lining, Rhenofol

demonstrates compelling performance even after two decades

of extreme exposure to seasonal low and high water levels. The

specifications of Rhenofol still surpass the initial requirements.

This is due to the optimal performance characteristics of Rhenofol

at low temperatures and frost as well as in hot weather or drought.

In practice, this means no leakage and unimpaired functionality.

Permanent stability on the flat roof is one of Rhenofol’s

essential strengths. Combined with its application versatility, the

roofing membrane system proves to be the ideal solution for almost

any architectural design, including office and administrative

buildings, industrial or commercial objects, profiled steel decking,

reinforced or lightweight concrete, timber board cladding, ventilated

or non-ventilated roofs, terraces and green roofs. Various product

versions within the Rhenofol roofing membrane system provide

a perfect match for different object requirements and roof designs.

The PVC waterproofing,

convincing in every situation

Rhenofol.

The waterproofing for used

areas and special tasks

Rhenofol® by FDT. Made for the most versatile tasks,

strong for every type of waterproofing.

Rhenofol makes nearly everything

perfectly waterproof – including

water reservoirs.

QUICK-CHECK

Rhenofol roofing membrane system

- versatile roofing membranes

made of PVC-P

- practically tested and proven

for decades

- flexible in length and width

(up to 2.05 m!) as well as in colour

- economical for new build and

refurbishment

- extremely strong in every version

- reliable due to homogeneous

seam connections

High quality of Rhenofol Rhenofol CV

- for mechanical fastening, with

polyester fibre reinforcement

- extremely tear-resistant; hail-proof;

resistant to UV radiation

Rhenofol CG

- with glass fleece reinforcement –

for loose laying with ballast;

particularly for waterproofing

green and used roof areas

- non-shrinking; resistant to root

penetration (FLL); perforation-

resistant

The roofing membrane system

Rhenofol is made of non-rigid

polyvinyl chloride (PVC-P), is

postforming, highly flexible and

extremely versatile.

6years

7years

5years

4years

3years

7.3 %Rhenofol®

nn PVC

nn PVC

nn PVC

nn PVC

nn PVC

nn PVC

nn PVC

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19.3 %

20.4 %

19.8 %

45.0 %

29.3 %

Reservoir Plasticizerloss

Exposuretime

32.1 %

32.8 %

41.2 %

La Florida

El Palmar

Ravelo

Los Partidos

Buen Paso

La Tabona

Llanos de Mesa

Cruz Santa

Aguamansa

100 20 30 40 50

CEDEX has come to the conclusion: Rhenofol is the best!

A highly robust membrane like Rhenofol which has been reliably waterproofing

the retention reservoir La Florida for over two decades is an even more perfect

solution on the roof top.

CEDEX is the central fabric and material laboratory of the

research institute for public building projects. Recently, CEDEX

has produced an expert’s report analysing and evaluating the

performance of the Rhenofol waterproofing installed in the water

retention reservoir La Florida on the isle of Tenerife. Another

participant of the inspection was BALTEN (Balsas de Tenerife), the

local autonomy authorities for water reservoirs on Tenerife.

Practical long-term testing: Samples of the waterproofing

material were regularly taken from spots that were exposed to

intense solar radiation and severe trade winds for half of the year,

and flooded during winter and spring.

Centro de Estudios y

Experimentación de

Obras Públicas (CEDEX)

Rhenofol after 18 years: as good as new!

If other membranes have to be replaced after less than ten years, Rhenofol even after two decades of exposure is in top shape constantly surpassing initial require-ments.

BEST MARKS: The secret of success of this FDT water-proofing membrane is the low plasticizer loss of Rhenofol amounting to only 12.4% during 18 years of exposure.

Requirements to be met by a new PVC membrane

Euro-Standard Values established by CEDEX after 18 years of exposure

≥ 1.2 EN 1849-2 1.03

≤ - 20 °C EN 495-5 no cracks

≥ 500 EN 12691 ≥ 500

not indicated EN ISO 177 < 15

EN 12311-2

≥ 8 21.0

≥ 8 19.9

EN 12311-2

≥ 150 249

≥ 150 260

Properties

Thickness, mm

Bending at low temperatures, °C

Resistance to impact load, mm

Plasticizer loss, %

Tensil strenght, MPa

> LENGTHWISE

> CROSSWISE

Elongation at break, %

> LENGTHWISE

> CROSSWISE

The roofing membrane system Rhenofol®

makes other waterproofings look old.

Water reservoir La Florida:

Rhenofol is standing the

test of time

High load on the membranes

due to the specific climate

on Tenerife

Best quality for Rhenofol: Certified by CEDEX and BALTEN.

The administration of the isle of Tenerife and its water

authorities are focusing on prospective water management in order

to address water supply problems specifically and in time. Beside

water recovery by using sewage plants and desalination plants, this

also includes building water retention reservoirs. However, the

latter are comparably expensive, as the predominantly volcanic

rock soil on Tenerife always requires reliable waterproofing. Since

the end of the 1970’s, PVC has been employed for waterproofing

the retention reservoirs. For this type of hydraulic structures, in

particular, construction material specifications as well as installation

guidelines have been drawn up. Membranes produced by the

most different manufacturers are employed. At a specific water

reservoir, La Florida in Icod de los Vinos in the north of the isle,

the investors decided to use Rhenofol by FDT for the challenging

task of waterproofing the volcanic rock substrate.

The climate on Tenerife is very specific: on the one hand, it is

moderate, with little variations in temperature, and predominantly

mild throughout the year. On the other hand, higher UV loads are

to be expected even in winter, i. e. already in February, with

contrasting climate at the coast with its warming sunshine and at

the volcano Pico del Teide still in the cold embrace of winter. The

topography of the island with its numerous valleys is another reason

for the varying weather conditions on Tenerife.

LA FLORIDA, ICOD DE LOS VINOS, TENERIFE

Year of construction: 1986

Water retention reservoir, waterproofed with Rhenofol 1.2 mm

Materials used: 19,530 m²

Max. reservoir capacity: 161,834 m³

Height: 15.3 m

Base area: 6,117 m²

Max. water surface: 13,547 m²

FlachdachTechnologie GmbH & Co. KG

Eisenbahnstrasse 6-8 68199 Mannheim Germany

Tel +49-6 21-85 04-0 Fax +49-6 21-85 04-2 05 www.fdt.de

122 | 01 | 04/11 | 2000 | GB |

Export Department:

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

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

E-Mail export@fdt.de