Do not use any new panels showing bow or twist out of the pack. Wheredistortion exceeds 30mm, these panels fail the product standard. They shouldnot be used and returned to the manufacturer.Prevent/Minimise Exposure to MoistureWhere formply panels that have been supplied flat on site distort, there is onlyone cause, this is exposure to moisture, or a change in moisture content.6No …

Wrap and Twist in FormplyAS 6669 provides a 30mm flatness limitation for formply sheets. To measure flatness,formply sheets are placed concave down on a flat surface and any bow or twist exceeding30mm above the flat fails the product Standard.In addition, sheets must be able to be pushed flat using “palm pressure”, of approximately15kg.Formwork plywood supplied to the market with flatness …

This technical note has been developed in response to market problems and failuresrelating to the quality of off form finishes being achieved from formwork plywood in theAustralian market.Most issues relate to Class 2 surface finishes as defined in AS 3610, but issues do from timeto time occur in Class 3.This Technical Note discusses some common formwork plywood problems and lists …