Abstract
Polymer-modified mortars have been used in concrete repair for decades. Typical polymeric mate-rials used for this purpose are those which are in the soft state at ambient temperature. Our own studies focus on hard polymeric materials (hard and brittle at ambient temperature) which offer promising potential for structural repair. Our contribution reports on the results of studies on freeze thaw salt resistance and acid resistance relevant to durability. The results are compared to unmodi-fied reference samples and show the major potential of PCC modified with hard polymers; the ben-efits of PCC are evident.
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