Concrete expansion joint filler options

Andrew Murphy

Registered User
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I have concrete around parts of my home and have been researching options for filling the expansion joints which are now exposed. The joints are approx 25mm wide and previously had wooden inserts covered by a thin screed of concrete.

The joints need to be repacked so would appreciate feedback on what works best e.g. chalk sealant, bitumen etc.

Many thanks
 
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