Description

NelsonPine P 11 is an H1.2 treated engineered wood product consisting of radiata pine veneers laminated together to produce structural framing materials.

Feedstock is structural NelsonPine LVL subsequently secondary bonded into a thicker product using PUR adhesive.

NelsonPine P 11 is intended for use as internal framing structural components such as studs, joists, rafters, beams, lintels and columns.

NelsonPine P 11 is also intended for use as a substitute for solid sawn timber in plasterboard protected fire rated systems.

Scope

1. NelsonPine P 11 is certified for use as structural components in the design of buildings: 

• a. by a Chartered Professional Engineer with: 
  • i. structural design actions determined in accordance with B1/VM1, and
  • ii. the design characteristic values in accordance with the Nelson Pine Specific Engineering Design Guide V4.0 September 2025, or 
• b. in accordance with NZS 3604:2011 where: 
  • i. NelsonPine P 11 structural members may be substituted for SG6, SG8 or SG10 members in accordance with NZS3604 para 2.3.9.5, or 
  • ii. NelsonPine P 11 lintels may be substituted for plywood box lintels and GL8 and GL10 Glued Laminated Timber lintels in accordance with NZS3604 Tables 16.1 and 16.2 and; 
• c. in applications described in Tables 1, 2, & 3 of NZS 3602:2003 as modified by the Building Products Specifications referenced by Acceptable Solution B2/AS1 for radiata pine products where the hazard class of the exposure and service conditions where the structural component is located is H1.2 or less. 
• d. Is suitable to be designed in accordance with NZS AS 1720.1 as an alternative solution

2. NelsonPine P 11 is certified for use as a direct substitute for sawn SG6, SG8 or SG10 solid timber of the same dimensions in plasterboard protected fire rated timber framed systems. 

3. NelsonPine P 11 is only certified for use in edgewise or axial orientation with the glue planes aligned vertically.

4. NelsonPine P 11 is not certified for flatwise usage with glue planes in horizontal orientation.

5. Heating / Drying facilities are to be discussed with Nelson Pine to determine if treatment is appropriate.

6. NelsonPine P 11 cannot be used in structural weather exposed situations.

7. Treated NelsonPine LVL is not to be used in direct contact with foodstuffs.

8. NelsonPine P 11 may be used in:

• a. Detached residential housing designed using NZS 3604.
• b. Multi-unit residential dwellings where NelsonPine P 11 is surrounded by plasterboard or equivalent fire system providing the required fire rating between fire cells.