Frost resistance of bricks – factors of ­influence, test methods and standards

Clay roofing tiles, clay pavers, facing bricks and clinkers have to be freeze/thaw resistant to permanently fulfil their intended structural functions. Frost damage is much-feared, because it can have dire financial consequences.

In Germany, clay roofing tiles are subject to DIN EN 539-2, whereas method E is specified. Frost damage has different causes in different parts of a roof, particularly in the case of roofs with complex shapes. Pressing textures and the firing regime are also important.

Clay pavers are tested according to appendix C of DIN EN 1344, in which staggered laying patterns are...

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