DUO is a three-in-one lightweight fiber reinforced polymer formwork system that can be used to form walls, slabs and columns PERI Formwork Systems, Inc. DUO is a three-in-one lightweight fiber ...
PERI Formwork Systems Inc.'s PERI QuickSolve (enhanced edition) is a free web-based planning tool that empowers contractors and estimators to sketch out a project and identify the best wall formwork ...