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Any Issues with a Slurry Seal (Type 2) over Asphalt Rubber Hot-Mix (ARHM)

Any Issues with a Slurry Seal (Type 2) over Asphalt Rubber Hot-Mix (ARHM)

Any Issues with a Slurry Seal (Type 2) over Asphalt Rubber Hot-Mix (ARHM)

(OP)
We proposed this on one of my plans and the City I'm working for is concerned that the slurry seal won't bond to the ARHM like it would on a typical ACP. I've never heard of this concern and was wondering if anyone on this forum has any opinion on this.

Thanks!

RE: Any Issues with a Slurry Seal (Type 2) over Asphalt Rubber Hot-Mix (ARHM)

You have not provided any information as to the type of slurry seal and the emulsion to be used. I would be concerned about compatibility and stripping as well. It would be prudent to run a few tests to determine compatibility and stripping potential. It probably won't be an issue if the ARHM has sufficiently weathered, but should be checked anyway.

RE: Any Issues with a Slurry Seal (Type 2) over Asphalt Rubber Hot-Mix (ARHM)

contact ADOT Phoenix district, they have plenty of experience with this
sorry, I do not have a specific contact name

https://www.azdot.gov/business/district-contacts/c...

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