Plywood Grading
American Plywood Grades (Only those thickness’ & number of plies listed in the tables) | ||||
Grade | American Standard | Quality Control Agency | BS 5268 : Part 2 | |
Clause | Table | |||
C-D Exposure 1 | PS1-95 | APA & TECO | 4.4 Grades a) 1) | 34 |
C-C Exterior | PS1-95 | APA & TECO | 4.4 Grades a) 2) | 35 |
A-C Exterior | PS1-95 | APA & TECO | 4.4 Grades a) 3) | 36 |
B-C Exterior | PS1-95 | APA & TECO | ||
Sturd-I-Floor | PS1-95 | APA | 4.4 Grades a) | 37 |
Floor Span | PS1-95 | TECO | ||
C-D plugged | PS1-95 | APA & TECO | 4.4 Grades a) 4) | |
C-C plugged Exterior | PS1-95 | APA & TECO | 4.4 Grades a) 5) | |
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Canadian Plywood Grades (Only those thickness’ & number of plies listed in the tables) |
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Grade |
Canadian Standard |
Quality Control Agency |
BS 5268 : Part 2 |
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Clause |
Table |
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CSP Select Tight Face Exterior |
CSA 0151-M 1978 |
CANPLY (formerly Plywood Section of COFI) |
4.4 Grades b) 3) |
38 |
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CSP Select Exterior |
4.4 Grades b) 2) |
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CSP Sheathing Grade Exterior |
4.4 Grades b) 1) |
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DFP Select Tight Face Exterior |
CSA 0121-M 1978 |
4.4 Grades b) 3) |
39 |
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DFP Select Exterior |
4.4 Grades b) 2) |
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DFP Sheathing Grade Exterior |
4.4 Grades b) 1) |
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New design values for a limited range of sanded Canadian Douglas fir Good-1-side and Good-2-sides plywood is now available from CANPLY and will appear in the forthcoming revision of BS 5268 : Part 2 |
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Finnish Plywood Grades (Only those thickness’ & number of plies listed in the standard) |
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Grade |
Finnish and CEN Standards |
Quality Control Agency |
BS 5268 : Part 2 |
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Clause |
Table |
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Birch (FINPLY ALL BIRCH) I/I, I/II, I/III, II/II, II/III, III/III, III/IV, IV/IV |
SFS 2413 EN 635-2 EN 636-2&3 |
VTT |
4.4 Grades c) 1) |
40 (1.4mm veneer thickness) |
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Birch-Faced (FINPLY COMBI) I/I, I/II, I/III, II/II, II/III, III/III, III/IV, IV/IV |
SFS 2413 EN635-2 EN636-2&3 |
VTT |
4.4 Grades c) 2) |
43 (1.4mm veneer thickness) 44 (Thick veneer) |
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Conifer Plywood (FINPLY CONIFER) I/I, I/II, I/III, II/II, II/III, III/III, III/IV, IV/IV |
EN635-3 EN 636-3 |
VTT |
4.4 Grades c) 3) |
41 (1.4mm veneer thickness) 42 (Thick veneer) |
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Birch-Faced (FINPLY COMBI MIRROR) I/I, I/II, I/III, II/II, II/III, III/III, III/IV, IV/IV |
SFS 2413 EN635-2 EN636-2&3 |
VTT |
4.4 Grades c) 4) |
45 (1.4mm veneer thickness) |
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Birch-Faced (FINPLY TWIN) I/I, I/II, I/III, II/II, II/III, III/III, IV/IV |
SFS 2413 EN 635-2 EN636-2&3 |
VTT |
4.4 Grades c) 5) |
46 (1.4mm veneer thickness) |
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Swedish Plywood Grades (Only those thicknesses & number of plies listed in the standard) |
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Grade |
Swedish Standard |
Quality Control Agency |
BS 5268 : Part 2 |
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Clause |
Table |
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P30 |
SBN 1975.5 |
The National Swedish Testing Institute (Statens Provningsanstalt) |
4.4 Grades d) |
47 |
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Metsaspruce Softwood Plywood Grades (Only those thickness’ and number of plies listed in the certificate) The renewal of BBA certificate started on 15 May 2000. New thicknesses 27 mm and 30 mm are coming also. 27mm and 30mm are already accepted in CEN countries, also in UK, because VTT has revised the certificate No 4/95 on 15 May 2000. |
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Grade |
CEN Standard & Certificates |
Quality Control and Finnish Issuing Agency |
BBA Certificate No. 97/3359C |
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Clause |
Table |
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II/II II/III III/III |
EN 636-2&3. Finnish Agrément Certificate No. 4/95, already renewed. |
VTT |
9. |
3 (Sanded) 4 (Unsanded) |