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Contractors World International Vol 7 No 5

14

Germany

Record-Breaking Façade At

Elevator Test Tower

Construction work on

ThyssenKupp’s elevator

test tower in Rottweil is

on track wi th the

installation of the tower’s

d i s ti n c ti v e

P T F E

(Polytetrafluoroethylene)-

glass façade, considered

to be the highest project

of its kind in the world.

The installation at the

246 meter-high tower

presents the entire plan-

ning team with unique

challenges.

Only specially trained

technicians who are cer-

tified to do installations at

these heights are em-

ployed for the membrane

assembly.

Using two specially de-

signed climbing platforms,

they measure the exterior and attach spacers and pipes

to mount the membrane.

Separately, the façade will be assembled in three

parts and installed from top to bottom. Due to the grad-

ual gradation of the membrane, the tower will appear

almost opaque at the bottom and become more trans-

parent toward the top, where the fabric is

wide-meshed.

The 17,000 square meter membrane is made of PTFE-

glass, which is used for the first time in this form. The

fabric is produced in strips of three meters, which are

later welded to form bigger membrane sections.

The polymer-coated glass fibre fabric is a highly com-

plex material that is long-lasting, almost self-cleaning

and in addition to giving the tower its distinctive appear-

ance, will also protect it from intense solar radiation and

reduce building movement by combating wind forces.

It has been extensively tested in a wind tunnel and cer-

tified by an independent expert body.

For the 29-member planning team of Taiyo Europe,

responsible for manufacturing and assembling the mem-

brane, the test tower is special in all respects:

“The planning phase as well as the assembly

meant new challenges for us, because the

requirements and specifications are entirely

unique. We from Taiyo Europe are proud to

participate in this singular project,”

says Hubert Reiter, managing director of Taiyo