Green Approved Products for the National Green Building Standard
Green Approved Products for the National Green Building Standard

Approved Products - National Green Building Standard

Product Name: iLevel Trus Joist StrandGuard TimberStrand LSL
Product Manufacturer: iLevel by Weyerhaeuser

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Practice NumberPracticePoints Available with this ProductAdditional Conditions of Use to Earn PointsManufacturer's Comments
602.8Termite-resistant materials are used in portions of the building.6To earn 6 points, all structural elements must be termite resistant in areas of heavy termite infestation. Lesser points available for less structure in lower infestation areas.StrandGuard is ICC ES accepted and meets AWPA treating standards for Use Category 2. No special handling or disposal required.
606.1Biobased products are used. 8 points maximum awarded.6To earn 6 points this product must be at least 1% of the construction material cost AND another bio-based product, also at 1% of material cost, must be used. Lesser points are available at the 0.5% level.iLevel products are made from trees, a natural and renewable resource.
606.2(1)A minimum of 2 wood or wood-based products used for minor elements are certified to the requirements of a recognized product program.3To earn 3 points a second certified wood product must also be used as a minor element.iLevel manufacturing facilities in the U.S. and Canada are independently certified to sustainable forestry standards as well as all Weyerhaeuser timberlands, ensuring the availability of forests for future generations.
607.1Products containing fewer materials are used to achieve the same end-use requirements as conventional products.3At least 80% of structural composite lumber in the building is this product.On average, we use 99% of each log to produce iLevel and Weyerhaeuser wood products, additional wood products,and energy.
609.1A more environmentally preferable product selected based upon a Life Cycle Assessment (LCA).3NoneFraming a house with wood products uses about 16% less embodied energy than a house built with steel or concrete and releases 25% fewer CO2 emissions. (CORRIM)
606.3Materials used for major components are manufactured using a min. of 33% of the primary manufacturing process energy from renewable sources, combustible waste sources, or renewable energy credits (RECs).2Product must be used as a major component of the building.More than half of the energy needed to make iLevel building materials comes from by-products of the manufacturing process.
610.1Product manufacturer’s operations are ISO 14001 certified. The value of building products from ISO 14001 facilities is 1% or more of the est. total building materials cost.1Points are awarded at 1 point per one percent of building material costs. Material cost breakdown to be verified and points adjusted to reflect actual percentage of all products from 14001 facilities.We are committed to reducing our environmental footprint. Since 1999, Weyerhaeuser has reduced water usage by 27%, waste going into landfills by 49%, and energy consumption by 23%.
901.4(2-6)A minimum of 85% of material within a product group (i.e., wood structural panels, countertops, composite trim/doors, custom woodwork, and/or component closet shelving) is manufactured in accordance with the following. 10 points maximum awarded.4A minimum of 85% of structural composite lumber in the building is this product.Urea formaldehyde resins are not added to any of our products.