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Results of Testing the Mould Resistance of the ProductFootnote (1)

Property

Requirement

Result

Performance

Non-leached Specimens

Lumber

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

0-1

Bluwood™ treatment was effective at providing almost complete resistance to mould growth in lumber and plywood.

Plywood

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

0-0

Bluwood™ treatment was effective at providing almost complete resistance to mould growth in lumber and plywood.

Benchmark 1

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

 

Bluwood™ treatment was effective at providing almost complete resistance to mould growth in lumber and plywood.

Mould resistance of known performance preservative:

  • plywood
  • lumber

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

0-1 0-1

Bluwood™ treatment was effective at providing almost complete resistance to mould growth in lumber and plywood.

Benchmark 2

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

 

 

Non-resistant untreated lumber/plywood to confirm mould producing test conditions:

  • plywood
  • lumber

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

4-5 0-4

Mould producing conditions confirmed

Results of Testing the Mould Resistance of the ProductFootnote (1) continued

Property

Requirement

Result

Performance

ConditionedFootnote (3) – Leached Specimens

Lumber

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

0-1

After leaching, Bluwood™ treatment was effective at providing almost complete resistance to mould growth in plywood and lumber.

Plywood

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

1-2

After leaching, Bluwood™ treatment was effective at providing almost complete resistance to mould growth in plywood and lumber.

Benchmark 1

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

 

After leaching, Bluwood™ treatment was effective at providing almost complete resistance to mould growth in plywood and lumber.

Mould resistance of known performance preservative:

  • lumber

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

1-1

After leaching, Bluwood™ treatment was effective at providing almost complete resistance to mould growth in plywood and lumber.

Benchmark 2

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

 

 

Non-resistant untreated plywood to confirm mould producing test conditions:

  • plywood

Inoculated with 5 mould species, follow AWPA E24-12, mould growth rating of 0-5,Footnote (2) after 12 weeks of incubation in a high humidity environment

3-5

Mould producing conditions confirmed

Results of Testing the VOC Emissions from the ProductFootnote (1)
Property

VOC Testing

Toxicological Assessment

Lumber

VOC testing protocol conducted in accordance with the California Department of Public Health (CDPH). VOC measurements taken after 10 days of conditioning.Footnote (2)

Bluwood™ treated lumber, plywood and OSB do not pose a health risk to individuals residing in homes or buildings.Footnote (1)

Plywood

OSB

Results of Testing the Hygrothermal Properties of the Product

Property

Bluwood™ Treated Product

Lumber

Plywood

OSB

Thermal conductivity

No significant changeFootnote (1)

No significant change

No significant change

Sorption characteristics

No significant change

No significant change

No significant change

Water vapour permeability

No significant change

No significant change

No significant change

Water absorption coefficient

Slightly lower

No significant change

Slightly higher

Air permeability

No significant change

No significant change

No significant change

Results of Testing the Mechanical and Combustibility Properties of the ProductFootnote (1)

Property

Bluwood™ Treated Product

Other Products

OSB

Plywood

Lumber

Glue Coated OSB/Lumber

Glue Coated Plywood/Lumber

Bending before and after aging

  • APA PS-2
  • ASTM D4761/D198
  • ASTM D143

Modulus of elasticity (MOE): No significant difference Modulus of rupture (MOR): No significant difference

Modulus of elasticity (MOE): No significant difference Modulus of rupture (MOR): No significant difference

Modulus of elasticity (MOE): No significant difference Modulus of rupture (MOR): No significant difference

NAFootnote (2)

NA

Shear (glue line shear)

  • ASTM D1037

NA

NA

NA

No significant difference

No significant difference

Combustibility

  • Cone Calorimeter ASTM E1354/ ISO 5660

Heat release rate, total heat release, mass loss rate, effective heat of combustion, smoke obscuration and toxic gas production were analyzed.Footnote (3)

Results of Testing the Metal Connectors Used with the ProductFootnote (1)
Property

Following AWPA E12-80Footnote (2)

Bluwood™ Treated ProductsFootnote (3) Footnote (4)

Carbon Steel C1010

Aluminum 2024

Electro-galvanized Steel

Hot-dip Galvanized Steel

S-P-F lumber – bare and coated

No significant difference

Coated S-P-F < bare S-P-F

Coated S-P-F < bare S-P-F < ACQ S-P-F

Coated S-P-F < bare S-P-F < ACQ S-P-F

DF lumber – bare and coated

No significant difference

No significant difference

No significant difference

Coated DF < bare DF < ACQ S-P-F

ACQ Treated S-P-F Lumber

90% coated S-P-F

No

No

Yes

No

90% coated DF

Yes

Yes

No

No