High demands: temperatures between -20°C and +60°C, enormous point-pressure... The SLK Kliniken in Heilbronn had publically tendered the coating on the hospital’s roof and the company BETEC Beschichtungstechnik GmbH took part in the bidding. With the consultation, development and elaboration of a tailor-made coating system of the VIACOR Polymer GmbH, BETEC won the tender. Thus the helipad project could begin.

1. VIACORVIACORcase study
www.viacor.de
Perfect coating helps to save lives
You do not simply coat a helipad every day, which is ex-
posed to extreme conditions and contributes to saving
people. Pilots have to be in a position to safely land with
their patients on board in any weather conditions. The
right coating thus helps the rescue-pilots to land despite
adverse weather, to keep an overview and to drop off the
injured safely.
The SLK Kliniken in Heilbronn had publically tendered
the coating on the hospital’s roof and the company BETEC
Beschichtungstechnik GmbH won the bidding.
With the consultation and development of a tailor-made
coating system of the VIACOR Polymer GmbH, BETEC
was commissioned. Thus the helipad project could begin.
The finished lining from the pilot’s perspective
Preparation for applying the lining
>> object: Helipad, Hospital SLK Kliniken, Heilbronn

2. www.viacor.de
>> object: Helipad, Hospital SLK Kliniken,
Heilbronn
Applying the sealer
SYSTEM coating thickness approx. 6 mm
Barrier primer:
VIASOL EP-210
This barrier primer without broadcast completely seals-in
the pores.
Primer:
VIASOL EP-210 slightly sprinkled with QS 0.3-0.8 mm
The primer slightly sprinkled with quartz sand sand serves
the mechanical grip for the subsequent PUR-coating
Wear coat 1:
VIASOL PU-L300V filled with QS 0.1-0.3
The wear coat is cost efficient with a low consumption of
binder and broadcast with quartz sand
REQUIREMENTS
The challenge in mixing the fitting system was that the
landing site was to be heated for the first time and temper-
atures between -20°C and +60°C can occur. In addition, an
enormous point-pressure is produced as during landing,
both skids are usually not set down at the same time. In
the case of a coating being too soft, pressure marks would
appear which would cause micro fissures in the sealer.
These could subsequently be the start of a slow de-
struction. For this extraordinary project with special
requirements, the company VIACOR together with BETEC
developed the following individual coating system:
PROBLEM DEFINITION
• The landing site will be heated for the first time
• The helicopter usually does not land in parallel
• with both skids and so an enormous point
pressure is produced which the coating has
to resist
• Temperatures between -20°C to +60°C will
occur

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Individually developed out of high-grade components…
… creates the tailor-made systems
>> object: Helipad, Hospital SLK Kliniken,
Heilbronn
Wear coat 2:
VIASOL PU-L300V filled with QS 0.1-0.3
The second wear coat is sprinkled with corundum and a
granulation of 1.0 – 2.0 mm
Product properties of VIASOL PU-L300 V:
• Shore D hardness: 60 – 65
• elongation at a break: approx. 30%
• tensile strength: approx. 15 N/mm²
Sealer: VIASOL PU-S650
The sealer is weather- and colour-proof and has a great
resistance against acid and lye, lubricant and fuel.
The product is easy to clean.
Lining: PORPLASTIC X990 N
The colour had to be eye-catching and luminous – thus
signal red and white were used
The pressure-resistance arises from the hardness of the
sanding materials (corundum). The technical data by far
suffices to satisfy the requirements for the application on
a helicopter landing pad.
Coating company:
BETEC Beschichtungstechnik GmbH
Lutherstr. 65
73614 Schorndorf
Manufacturer:
VIACOR Polymer GmbH
Graf-Bentzel-Str. 78
72108 Rottenburg a.N.