Mason City, Iowa: SIP-1111™ in a 45% RAP Mix Comparison

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
An asphalt plant operates at dusk with a red haul truck in front.
A Mason City demonstration reports higher CT Index and DCT fracture energy for its 45% RAP SIP-1111™ design than for the matched 45% RAP TuffTrek design.

Northeast Iowa Soy Roads: SIP-1111™ in Fayette, Clayton, and Volga

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
Composite showing a paver on Clayton County X28, recycling equipment on Fayette County C14, and the completed Washington Street surface in Volga.
Four northeast Iowa projects put SIP-1111™ to work across 24 miles of cold-in-place recycling, recycled hot mix, county roads, and a municipal main street.