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Technical

Forest & Lumber

Grading Rules

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Millwork & Moulding

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Technical Section

(Page 4 of 6)

 

NHLA Grading Rules Review

How the NHLA Rules Apply Surface Measure/Cuttings Units (Foot Long Hotdogs) Board Size/Cutting Size

NHLA MINIMUM GRADING RULES REQUIREMENTS

Applying Standard Kiln Dried Rules

FAS 1 Face & Selects

#1 Common

Minimum Size Board FAS 1F: 5-1/2" x 8'
SELECTS: 3-1/2" x 6"
Minimum Cutting Size
3" x 7' and 4" x  5'
Minimum Yield
83-1/3% or 10/12

Surface Measure x 10

to establish minimum cutting units
(required Foot Long Hotdogs)
Minimum Size Board 2-1/2" x 4'
Minimum Cutting Size
3" x 3' and 4" x  2'
Minimum Yield
66-2/3% or 8/12

Surface Measure x 8

to establish minimum cutting units
(required Foot Long Hotdogs)

MINIMUM BOARD SIZES ARE NHLA MINIMUMS AFTER KILN DRYING

 

Inspection After Kiln Drying

Hogan's Hardwood lumber is inspected and measured AFTER kiln drying

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