- Overlay (OVL) – There is almost no defect allowed on the face. Minor defects such as hairline splits and knots must be skillfully repaired by color matched putty. No core lap and uneven core thickness is allowed. Some minor core void and end splits are allowed but are not shown on the face. All core veneer components must be machine spliced.
- Overlay and Better (OVL/BTR) is more of an appearance grade plywood that conforms to the International Hardwood Product Association (IHPA) that uses more .
h20 Beam for Concrete inspections and QC checklists The formwork beam H20 is mainly used …