The hidden pitfalls of glazing structural ceramics

At KI Keramik-Institut GmbH Meißen, lots of experience has been gathered in the study of defect patterns on industrially manufactured, glazed and engobed structural ceramics.

The paper documents a recent case of damage involving the familiar problem of “discoloration of roof tile glazes due to anhydrite washout”. It shows that there is another, similar defect pattern that cannot be attributed to the CaO content. By profiling actual pertinent tests and analyses, the author attempts to shed light on the causes behind the subject defect pattern. Helpful hints and suggestions are offered on how to...

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Issue 2017-1

Nelskamp roofing tiles: Easier working on the roof

Nelskamp, the clay roofing tile manufacturer, presented new and proven products from Nelskamp’s wide product range – e.g. the Dachstick that can replace traditional storm clips and its easy-to-fix...

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Issue 2016-8

Engobes and glazes on ceramic building products – recommendations for testing to certify durability

In the past, some glazed roofing tiles have exhibited damage that only became visible after a certain period of time. Moreover, not all tiles in one production batch were affected. Producers of glazed...

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Nelskamp roofing tiles: Easier working on the roof

Nelskamp, the clay roofing tile manufacturer, is presenting new and proven products from Nelskamp’s wide product range – e.g. the Dachstick that can replace traditional storm clips and its...

more

Patents June 2013

more patents: see german part 1. Bloc de construction de murs 2. Tile assembly 3. Rheology modifier for ceramic glazes 4. Antibacterial composition, antibacterial glaze composition and...

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Rheinbach-based WZR wins NRW Efficiency Prize

Light ceramics carry heavy roof tiles

WZR ceramic solutions has been awarded the Northrhine-Westphalian Efficiency Prize for 2013 from Effizienz-Agentur NRW for developing what they call their “PT-Keramik“. This innovative high-tech...

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