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O112.9-10 (R2014)
Evaluation of adhesives for structural wood products (exterior exposure)
1 Scope
1.1
This Standard specifies requirements for evaluating adhesives used to bond solid wood materials in
structural wood products designed for exterior applications.
Note: See Annex C for additional information on exterior exposure and other moisture exposure categories for structural
wood adhesives.
1.2
This Standard specifies requirements for evaluating the resistance of adhesives to
(a) shear caused by compression loading, under both wet and dry conditions;
(b) delamination during accelerated exposure to wetting and drying; and
(c) deformation under static shear loading during exposure to heat, high humidity, or combined heat
and high humidity.
1.3
This Standard does not apply to adhesives intended for below-ground, ground-contact, or marine service
applications.
1.4
This Standard is not intended for the assessment of the effects of chemical treatments of wood on adhesive
performance.
1.5
In CSA Standards, “shall” is used to express a requirement, i.e., a provision that the user is obliged to
satisfy in order to comply with the standard; “should” is used to express a recommendation or that which
is advised but not required; “may” is used to express an option or that which is permissible within the
limits of the standard; and “can” is used to express possibility or capability. Notes accompanying clauses
do not include requirements or alternative requirements; the purpose of a note accompanying a clause is
to separate from the text explanatory or informative material. Notes to tables and figures are considered
part of the table or figure and may be written as requirements. Annexes are designated normative
(mandatory) or informative (non-mandatory) to define their application.