Access the powerpoint slides at
https://bit.ly/2Y9Rpi6 (dropbox)
Some grading documents available without cost:
AHEC, “The illustrated guide to American hardwood lumber grades”, American Hardwood Export Council, 2017, https://www.americanhardwood.org/en/library/publications/the-illustrated-guide-to-american-hardwood-lumber-grades [English]
Davies, I and Watt, G. “Making the grade, A guide to appearance grading UK grown hardwood timber”, Forestry Commission Scotland, 2005, https://www.forestresearch.gov.uk/research/making-the-grade-a-guide-to-appearance-grading-uk-grown-hardwood-timber/ [English]
FrenchTimber, “Grading of oak sawn timber”, FrenchTimber & Association for the Promotion of French Oak (APECF), 2012, http://en.eurochene.com/qualities-standards/ [English]
ITTO, “Guyana timber grading rules, revision 2016”, ITTO project PD-687-13 technical report, 2016, https://www.itto.int/project/id/PD687_13-Rev.1-I [English]
NELMA, “2017 Standard grading rules for northeastern lumber”, Northeastern Lumber Manufacturers Association, 2017, https://www.nelma.org/library/2013-standard-grading-rules-for-northeastern-lumber/ [English]
NHLA, “Rules for the measurement and inspection of hardwood and cypress”, National Hardwood Lumber Authority, 2019, https://www.nhla.com/nhla-services/hardwood-industry-rules/ [English]
NLGA, “2017 Standard grading rules for Canadian lumber”, National Lumber Grades Authority, 2017, http://nlga.org/en/publications-for-download/ [English]
SPIB, “Export grading rules for southern pine lumber”, Southern Pine Inspection Bureau, 1981, https://www.spib.org/about-us/export-grading-rules [English]
WCLIB, “Standard No. 17 Grading Rules for West Coast Lumber”, West Coast Lumber Inspection Bureau, 2018, https://www.wclib.org/publications/rules-17/ [English]
Other references available without cost:
Eric Meier, “The wood database”, https://www.wood-database.com/ [English]
USDA “Wood Handbook : wood as an engineering material”, Forest Products Laboratory USDA Forest Service, FPL- GTR-190, 2010: 509, 2010, https://www.fs.usda.gov/treesearch/pubs/37440 [English]
Ridley-Ellis, D., Stapel, P., & Baño, V. “Strength grading of sawn timber in Europe: an explanation for engineers and researchers”. European Journal of Wood and Wood Products, 74(3), 291-306, 2016, DOI: 10.1007/s00107-016-1034-1, http://researchrepository.napier.ac.uk/output/169717 [English]
Tissari, J., “Raising the standards – monitoring the technical and environmental standards of tropical timber products in international markets”, ITTO technical series #39, 2011, ISBN 4-902045-88-5, https://www.itto.int/technical_report/ [English]
ITTO, “Lesser used tropical species, International Tropical Timber Organisation, http://www.tropicaltimber.info/ [English]