Plywood Grading Rules :Part 8 PS1 Plywood Grades

Plywood Grading Rules :Part 8 PS1 Plywood Grades

More detailed info please visit https://apawood-europe.org/products-trademarks/plywood/design-calculations/ .

December 27th,2018

Specifiers’ Design Guide for PS1 Plywood Grades

Plywood Grades:  A-A, A-B, A-C; B-B, B-C; C-C, C-D; D-D

Characteristic values for use in design calculations to Eurocode 5 are generated by the individual manufacturers.  Please refer to their products and design recommendations.

 Category Plywood Grades: A-A; A-B; A-C; B-B; B-C
 Bond Durability Exterior (Equivalent to EN 314 Bond Class 3)
 US Product Standard US PS1
 Veneer Strength Group 1 Face and Back
 Finish Sanded, one or two sides
 European Standards Complying with:
EN 636:    Plywood – Specification (Technical Class EN 636-3)
EN 635-3: Plywood – Classification by surface appearance – Softwood
EN 635-2: Plywood – Classification by surface appearance – Hardwood
 
Category Plywood Grade: C-C
 Bond Durability Exterior (Equivalent to EN 314 Bond Class 3)
 US Product Standard US PS1
 Veneer Strength Group 1 Face and Back
 Finish Unsanded
 European Standards Complying with:
EN 636:    Plywood – Specification (Technical Class EN 636-3)
EN 635-3: Plywood – Classification by surface appearance – Softwood
EN 635-2: Plywood – Classification by surface appearance – Hardwood
 
 Category Plywood Grades: C-D
 Bond Durability Exposure 1 (Equivalent to EN 314 Bond Class 2)
 US Product Standard US PS1
 Veneer Strength Group 1 Face and Back
 Finish Unsanded
 European Standards Complying with:
EN 636:    Plywood – Specification Technical Class EN 636-2)
EN 635-3: Plywood – Classification by surface appearance – Softwood
EN 635-2: Plywood – Classification by surface appearance – Hardwood
 
 Category Plywood Grade: D-D
 Bond Durability Exposure 1 (Equivalent to EN 314 Bond Class 2)
 US Product Standard US PS1
 Veneer Strength Group 1 Face and Back
 Finish Unsanded
 European Standards Complying with:
EN 636:    Plywood – Specification Technical Class EN 636-2)
EN 635-3: Plywood – Classification by surface appearance – Softwood
EN 635-2: Plywood – Classification by surface appearance – Hardwood
 

 Category Plywood: Sturd-I-Floor;  Underlayment; CC plugged; CD plugged
 Bond Durability Sturd-I-Floor            Exposure 1 (Equivalent to EN 314 Bond Class 2)

Sturd-I-Floor            Exterior (Equivalent to EN 314 Bond Class 3)

Underlayment         Exposure 1 (Equivalent to EN 314 Bond Class 2)
CC plugged              Exterior (Equivalent to EN 314 Bond Class 3)
CD plugged              Exposure 1 (Equivalent to EN 314 Bond Class 2)

 US Product Standard US PS1
 Finish Touch sanded
 European Standards Complying with:
EN 636: Plywood – Specification (Technical Classes EN 636-2 for
Exposure 1 and  EN 636-3 for Exterior)
EN 635-3: Plywood – Classification by surface appearance – Softwood
EN 635-2: Plywood – Classification by surface appearance – Hardwood
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