Ronan Duffy

$The new CDE wash plant at Duff Quarry produces a range of construction materials, including C33 coarse concrete sand, fine sand and three different aggregate fractions – 1 to 2 in., #57 stone, and pea gravel. Photo: CDE$

Duff Quarry ushers in new era with CDE wash plant

Edited by Kevin Yanik Published Feb 21, 2025

Ross Duff, whose company will soon be celebrating its 75th anniversary, reflects on a recent Duff Quarry investment in a 300-tph wash plant. Keep Reading

$The EvoWash screens and separates smaller sand and gravel fractions through an integrated, high-frequency dewatering screen, sump and hydrocyclones. Photo: CDE$