allowed to set and or cure throughout to create nosings 26 and 28 in 40 degree fahrenheit weather the mortar mixture can set in approximately one hour in 10 degree fahrenheit weather the mortar mixture can set in approximately one and a half hours if the mortar mixture is only filled to near the level of the roadway surface a separate layer of mortar that corresponds to the finish of roadway 20 and 22 may be applied up to the level of the surface of roadway 20 and 22 as one skilled in the art will recognize the additional layer of mortar is not necessary and remains within the scope and spirit of the invention once nosings 26 and 28 are set temporary form 24 is removed as is illustrated by the dotted lines in fig2 in a preferred embodiment the edges of nosings 26 and 28 may be beveled using a grinder or other tool as one having skill in the art will recognize the edges may be beveled in other ways or the beveling step may be skipped and remain within the scope and spirit of the present invention next a seal is created between slabs 12 and 14 preferably at nosings.