Article | REF: C961 V1

Glues and adhesives - Building applications

Author: Philippe COGNARD

Publication date: November 10, 2001

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8. Sealing and anchoring

  • Cement mortar seals

    Traditionally, cement mortars were used to seal metal parts in concrete or stone, and still are today. In such cases, it is imperative to choose a cement that is very slightly expansive during hardening, to avoid any loosening due to shrinkage.

    Cement suppliers list their expansive cements for grouting, such as Vicat cement.

    Features :

    • It is recommended to add approximately 5% of a styrene-butadiene or vinyl emulsion to the mortar to improve adhesion to concrete and metal parts;

    • The mortar must have a thick, non-flowing consistency so that it does not run or creep in vertical sections;

    • adhesion to substrates must be greater than the breaking strength of the...

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