High Density Overlay (HDO) PlyformHigh Density Overlay (HDO) Plyform concrete forming panelsThis Plyform panel meets the same general specifications as Plyform Structural I or Class I. All classes of HDO Plyform have a hard, semi-opaque surface of thermosetting phenolic resin-impregnated material that forms a durable, continuous bond with the plywood. During plywood production, these overlays are bonded to the plywood …
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