Forum discussion

NC-2009 SSc7.1:Heat Island Effect—Non-Roof

Gravel

Is there a type of gravel material that could meet the SRI requirements? Or is there a way to make gravel material meet the SRI requirements? (We are utilizing gravel for a roadway)

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Fri, 05/10/2013 - 00:21

Erin, I couldn't say for sure one way or another. I have seen people ask about gravel on this forum, but I don't recall anyone having an SRI number. I would think that light-colored gravel would have a shot, but between getting that locally and having it tested for SRI, it might be an uphill battle.

Fri, 05/10/2013 - 00:34

If you use the weighted average calculation option, materials with low SRI values will contribute to earning the credit. Other materials will need higher SRI values, or contribute larger a percentage of the total area to compensate.

Fri, 05/24/2013 - 20:38

I reached out to a few roofing subcontractors and the only product that could potential comply with the credit requirements is a TREMO white gravel with a white adhesive.

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