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Joining of paving elements involves coating of the paved area with a foam mixture containing, in addition to substances decelerating mortar hardening, surface tension reducers and water-soluble alcohols
Joining of paving elements involves coating of the paved area with a foam mixture containing, in addition to substances decelerating mortar hardening, surface tension reducers and water-soluble alcohols
Directly after filling of the joints with a cement-bonded mortar, the paved area is coated with a foam mixture containing hardening decelerators and, as further functional constituents, surface tension reducers and water-soluble alcohols.
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