Two-tone roofs are rare in Germany. Such a covering once decorated the
Ridge and attic tile perfection
Rosengarten Congress Centre in Mannheim. Today the roof has been
With such a geometrically high roof tile like the E28S, it is
magnificently restored to its original Art Nouveau splendour thanks to a
difficult to solve ridge, dormer and attic joints by using lead
specially made two-tone Eisenberg monastery clay roof tile E28S and a
or copper, because of the considerable differences in height
number of ingenious technical solutions.
between and the upper and lower tiles. Consequently, special connecting tiles were made, and technically exact and elegant
The Rosengarten Congress Centre is one of Mannheim’s finest buildings but
joints were achieved on the ridges. Depending on the pitch,
was extensively destroyed during the war. Only a few original roof tiles remained
two kinds of connecting tiles were used, with different inclined
intact and they therefore were used as examples for restoration of the main roof.
ridge supports.
Koramic succeeded in faithfully reproducing the complex geometry of the roof tile and its partial glazing.
Monk and nun tiles ideal The monk part of the cloister tile E28S was green glazed and
Two-tone monk and nun tile covering
the nun part was natural red. Roof ridges in the same colours
The monastery clay tile E28S was specially developed for this restoration and
were applied on the batwing dormers. Left and right hand
features the monk part in green glazed and the nun part in natural red. In
verge tiles and double bead tiles were made for the five large
addition, special shaped roof tiles had to be made for covering the large
barrel dormers.
batwing dormers on the upper roof.
Barrel dormer challenge Covering the five large barrel dormers in the mansard roof proved particularly difficult. Originally, left hand verge tiles were supplied for this purpose and the
Project
Total roof restoration of the Rosengarten Congress Centre, Mannheim (Germany)
Client
water drained off properly as planned on the right-hand side of the dormers. But
Mannheimer Kongress und Touristik GmbH, Mannheim
on the left-hand side, the water ran against the crease, causing damage. Finally,
Architect
Karl Schmucker + Partner, Mannheim
the dormer surfaces were completely demolished, straightened and covered
Roofing contractor
AWO Dachbau GmbH, Ladenburg
with copper.
Clay roof tile
Koramic Eisenberg E28S, green glazed and natural red
When it came to the covering of the main roof, Koramic accepted the challenge and developed special left and right hand verge tiles.
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