MnDOT provides guidance on spray-applied seals for various road maintenance applications, including bituminous tack coats and fog seals. The use of rejuvenators by cities and counties is also mentioned. Images and descriptions of the different seal types are included in the content.

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Explore innovative strategies in rethinking polymer-modified asphalt timing to reduce age-induced surface damage. Discover tiered cracking specifications, PG grade bumping for quality standards, and the evolving PG specifications for cracking resistance. Delve into research needs for optimizing pave

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Activities of the Spray Group involve developing effective materials specifications for scrub seal emulsions with rejuvenators to properly rejuvenate cracked asphalt mixes. The purpose is to ensure successful applications with the most effective products. Consideration of elastic polymers, non-elast

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