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“As a rule of thumb, we will seal coat a street twice over a 15 to 20 year period prior to <br />mill and overlay. Stripping more common after second seal coat.” <br />“We have one road we sealed when it was only a year old and the stripping has not <br />occurred on that road yet.” <br />“So far this has only shown up in our first recycled asphalt wear courses installed from <br />1996 to 1998. We have heard that there was a problem with the Mn/DOT formula that <br />hopefully has been corrected.” <br />“We think this is occurring in pavements put down in the early 1990’s where they first <br />started to use RAP in the mix.” <br />Recommendations for next task: <br />Cbtfe!po!uif!jogpsnbujpo!gspn!uif!tvswfz-!uif! <br />sftfbsdi!tipvme!up!tuvez!uif!uzqft!pg!INB!njyft!vtfe!up!efufsnjof!jg!tpnf!uzqft-!ps! <br />cmfoet-!pg!INB!boesfdzdmfe!btqibmu!qbwfnfou!)SBQ*!bsf!npsf!qspof!up!tusjqqjoh/!! <br />Efotjuz!nbz!bmtp!cf!b!dpousjcvujoh!gbdups/!! <br /> <br />