LVL User’s Guide T e ch nialD tf ... - West Fraser Timber

1 Technical Data for LVL Headers, Beams, Column Applications LVL User's Guide for Residential Floor and Roof Systems CANADIAN VERSION. Quality Products Committed Service OUR HISTORY. In 1955, three Ketcham brothers, Henry Jr., William, and Samuel, acquiring two sawmills in the south. A major acquisition occurred started West Fraser by acquiring a small lumber planing mill in in 2005 with the purchase of Weldwood of Canada. With this Quesnel, BC. Throughout the years, they continued to make various purchase, West Fraser entered the engineered wood business by sawmill acquisitions in the interior of British Columbia, which acquiring the world's first continuous laminated veneer lumber press.

2 Included the associated Timber rights. In 1979, West Fraser entered West Fraser expanded further in 2007 when the Company acquired the pulp industry, constructing a joint venture mill in Quesnel. West 13 additional sawmills in the southern from International Paper Fraser 's expansion continued into Alberta in 1989 when they entered Co. This added billion board feet of lumber capacity to West Fraser into a joint venture newsprint mill in Whitecourt. the Company's for a total capacity of more than 6 billion board feet, making West growth continued in Alberta with the acquisition of a sawmill, MDF.

3 Fraser one of the largest lumber producers in North America. plant, and pulp mill in 1995 and a plywood mill, stud mill and veneer mill in 1999. In 2000, West Fraser entered the United States by OUR ENVIRONMENTAL STEWARDSHIP. West Fraser Timber Co. Ltd. is committed to responsible stewardship of Preventing pollution and continuing to improve our environmental the environment. A philosophy of continual improvement of our forest performance by setting and reviewing environmental objectives practices and manufacturing procedures has been adopted to optimize and targets. the use of resources and minimize or eliminate the impact of our Conducting periodic environmental audits.

4 Operations on the environment. Providing training for employees and contractors to ensure West Fraser recognizes that environmental excellence is an integral environmentally responsible work practices. aspect of long-term business success. Our Company and its employees Communicating our environmental performance to employees, are committed to the following: customers, shareholders, local communities and other stakeholders. Reviewing, on a regular basis, this policy to ensure that it reflects the Complying with all applicable environmental laws and regulations, Company's ongoing commitment to environmental stewardship.

5 And with other requirements to which the organization subscribes. OUR VISION. West Fraser 's vision is to be the leading forest products company in Canada. Our goals are simple leadership in profits, responsibility in communities, excellence in people and strength in products. LVL USER'S Guide 2 WEST Fraser Timber . A Word About LVL Grades Table of Contents DID YOU KNOW THAT .. Product Line 4. Storage, Handling & Installation 4. If you are using beams and headers exclusively in 3100Fb WEST Fraser LVL 5. residential wood construction, you are leaving money on the 1 AND 3 THICK.

6 Table approximately 85% of the time. Design Properties 6. Factored Resistance Table 7 8. When sizing beams and headers, you need to have sufficient Multiple Member Connections 9. moment capacity (Fb), sufficient shear capacity (Fv), sufficient 3000Fb WEST Fraser LVL 11. 1 THICK. stiffness (EI) to satisfy the live and total load deflection criteria Design Properties 12. and you need to have adequate bearing sizes (Fc i ). Factored Resistance Table 13 14. Multiple Member Connections 15. The industry markets LVL beams and headers based on the 3000Fb WEST Fraser LVL 17. MOE value (modulus of elasticity = E) which along with the 1 THICK.

7 Size of the beam (moment of inertia = I) determines the Design Properties 18. Factored Resistance Table 19 20. stiffness (EI) of the beam. The stiffness of a beam determines Multiple Member Connections 21. how much deflection a beam will experience under a given 1 AND 3 THICK. load. Deflection is a performance criteria established by Design Properties 22. building codes (L/360). Stiffness is not the same as strength! Factored Resistance Table 23 24. Multiple Member Connections 25. Not all applications are controlled by stiffness, many are Columns 26. controlled by strength (Fb and Fv).

8 In some applications, a 2750Fb WEST Fraser LVL 27. or beam cannot be used as a substitute for a beam 1 AND 3 THICK. Design Properties 28. that has superior strength properties (Fb and Fv). MISCELLANEOUS DETAILS, SOFTWARE. A beam 16' long, carrying 300 PLF, with material will AND WARRANTY INFORMATION 29. Bearing Details 30. deflect inches less ( ) under total load compared to the same beam with Allowable Holes 30. material. This is not much, especially when you consider the premium you pay for high MOE Minimum Nail Spacing 31. Our Weather Resistant Coating 31. products. Our Software 31.

9 Warranty / Contact Information Back cover LVL USER'S Guide 3 WEST Fraser Timber . PRODUCT LINE. With the use of ultrasonic grading technology, West Fraser wisely utilizes the inherent attributes of its wood resources to manufacture products that effectively satisfy the needs of the market while at the same time, contribute to a greener, more sustainable environment. In addition, these attributes also allow for superior fiber bending strength and workability. West Fraser LVL West Fraser LVL West Fraser LVL West Fraser LVL. 3100Fb 3000Fb 3000Fb 2750Fb 1 and 3 thick in 1 thick in I-Joist and lumber 1 , 1 , and 3 thick in 1 and 3 thick in I-Joist and lumber compatible compatible depths to 24 deep I- Joist and lumber compatible I- Joist and lumber compatible depths to 24 deep depths to 18.

10 (1 and 3 depths to 24 deep to 24 ), 3 thick in columns All products have face, back and edges sealed for improved performance under normal construction exposure CODE EVALUATION REPORT NUMBERS: CCMC 12904-R. Check product availability with supplier prior to specifying LVL sizes. STORAGE, HANDLING AND INSTALLATION. Failure to follow good procedures for installation, storage and handling could result in unsatisfactory performance and unsafe structures. West Fraser LVL should be stored lying West Fraser LVL is for use in covered, CAUTION: Wrap may be slippery when wet flat and protected from the weather.