Veneer & Plywood

Softwood —

Softwood Plywood Grades

Interior: A-A / A-B / A-D / B-D / STANDARD


Exterior: A-A / A-B / A-C / B-C / C-C (PLUGGED) / C-C / B-B CONCRETE FORMS / MDO / HDO

Veneer Grade Description Should be smoothly cut and be either 100% heartwood or 100% sapwood, free from knots, knot holes, pitch pockets, open splits, other open characteristics and stain. The veneer must consist of not more than two pieces in 1220 mm (48”) widths and not more than three pieces in wider panels; and be well matched for colour and grain. When panels are sanded no sander skips are permitted. Must be firm, smoothly cut and free from knots, pitch pockets, open splits and other open characteristics. If consisting of more than one piece, they must be well jointed. When panels are sanded, no sander skips are permitted. Must be solid and free from open characteristics and broken grain, except as permitted e.g. where there are knots or splits. Improved C veneer. Touch sanded may be fully sanded D Grade veneers are not permitted in Exterior grade panels N (rarely produced) A B C C-plugge d D A B C C-plugged D Knots Open knots/holes Splits Grain Repairs Knots Open characteristics Splits Repairs Sander skips Tight knots Knot/ open holes Splits Repairs Discolouration Open Tight knots Splits Broken grain Repairs Knots Open knots/ holes Splits Broken grain Not allowed Not allowed Not allowed Smooth May be a max of 18 wood parallel to the grain or synthetic 25.4mm (1”). Must be sound & tight 1.6mm (1/16”) 0.8 mm (1/32”) permitted (unlimited) wood or synthetic permitted up to 5% of panel Up to 38.1mm (1-1/2”) no limit 25.4mm (1”) max. With an occasional up to 38.1 mm (1-1/2”) across grain Measured at 203mm (8”) from panel end – not to exceed 12.7mm (1/2”) in width by ½ panel length... Permitted in wood or synthetic Permitted 6.4 mm (1/4”) x 12.7mm (1/2”) Up to 38.1mm (1-1/2 “) Limited to 3.2mm (1/8”) width Permitted but limited Synthetic and wood permitted Up to 63.5mm (2-1/2”) width across grain. Occasional tight knot up to76.2mm (3”) Up to 63mm (2-1/2”) width across grain Measured at 203mm (8”) from panel end, not to exceed 25.4mm (1”) tapering to not more than 1.6mm ... Permitted When not exceeding 203mm (8”) length width of wane may be up to 76.2mm...

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