Dimensional Stability

The carpet is soft and rag like

Buckling

Lack of dimensional stability

Lack of dimensional stability

Power stretched repeatedly buckles

Buckling

Pinhole elongation indicates proper power stretching

Buckling

Latex in the backing is falling out

Lack of dimensional stability

Aachen laboratory test

What you need to know

Dimensional Stability refers to a carpet’s tendency to retain its size and shape. Before the secondary backing is applied, a piece of greige carpet has no dimensional stability. It is much like a dishcloth. But, once the secondary backing is applied, the carpet should be dimensionally stable. (Retain its size and shape). Periodically buckles and ripples will appear sometime after the carpet has been stretched in. The carpet appears to be growing. It is at this point that the carpet might need to be tested to determine if it is dimensionally stable. This can be accomplished by the use of

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