GftK international GmbH – leading manufacturer of jointing mortars

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Jointing mortar - consumption calculator

The jointing mortar consumption calculator for the products vdw400, vdw400, vdw425, vdw800, vdw805, vdw815, vdw830, vdw840 Plus, vdw850, and vdw855 calculates the necessary quantity of jointing mortar related to the size of stones or flags, the joint width, as well as the joint depth.

Remark: The indicated quantities relate to cobbles cut on all sides, laid in rows, and to our experience of many years. Due to the natural form of the stones and in case other patterns of installation, variations may occur. In case of doubt, determine the consumption by installing a test area.

Stone dimensions
Joint dimensions
Material consumption

In case of questions, please give us a call.

Gesellschaft für technische Kunststoffe mbH
Kottenforstweg 3
D-53359 Rheinbach-Flerzheim
Tel: +49 (0) 22 25 / 91 57-0
Fax: +49 (0) 22 25 / 91 57-60


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