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LP® LongLengths™ OSB
LP® LongLengths™ OSB

    LP® LongLengths™ OSB

    LP® LongLength and LongLength XL OSB Sheathing panels are engineered to make building for tall wall applications easier. LP LongLength sheathing can lower building costs, increase wall strength, and help meet code requirements in high wind and seismic zones.

    LP LongLength OSB Sheathing

    • Available in 9' and 10' lengths and a variety of performance categories, including Structural 1
    • Ideal for more efficient construction of standard height ceilings and tall ceilings
    • Can span from the sill plate to the top plate, eliminating the need for blocking between panels and reducing air leakage, installation time and waste
    • Eliminates horizontal seams to help meet challenging energy codes
    • Contact your LP sales representative or call 1-888-820-0325 for more information

    LP LongLength XL OSB Sheathing

    • Available in pre-cut lengths of 97-1/8˝, 109-1/8˝ and 121-1/8˝ and a variety of performance categories
    • Available for high wind zones (East Coast and Gulf Coast states)
    • Contact your LP sales representative or call 1-888-820-0325 for more information
    Specification
    • LongLength OSB Benefits

      Strength

      • One continuous panel of sheathing connects the top and bottom plates.

      Efficiency

      • Reduces material waste and increases labor efficiency.

      Quick Installation

      • When installed vertically, minimizes cutting and installing fillers or blocking materials.

      Sustainability

      • Wood sourced through programs certified under the Sustainable Forestry Initiative®.

      Tough

      • Structural I grades available to help meet seismic zone requirements.

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      LongLength OSB XL Benefits

      Strength

      • Meet high wind zone requirements with the length to connect wall sheathing from the sill plate to the upper top plate.

      Efficiency

      • Reduces the need for certain hurricane hardware.

      Quick Installation

      • Panels are pre-cut 1-1/8˝ longer than LongLength to fully overlap the top plate in tall wall applications.

      Sustainability

      • Wood sourced through programs certified under the Sustainable Forestry Initiative®.

      Tough

      • Exposure 1 rated to meet challenging jobsite conditions.
    Technical specification
    • Unique ref.lp-longlengths
    • Product familyBuilding materials
    • Product groupSmartSide®
    • TypeObject (single object)
    • Date of publishing2025-12-06
    • Edition number1
    Related
    • Material mainWood
    • Designed inUnited States
    • Manufactured inUnited States
    Classification
    • BIMobject CategoryWalls - Cladding
    • UNSPSC nameSiding and exterior wall materials
    • UNSPSC code301518
    • CSI MasterFormat 2014 Code09 74 13
    • CSI MasterFormat 2014 TitleWood Wall Coverings
    • OmniClass Number23-13 37 13
    • OmniClass TitleExterior Wall Cladding
    • CSI UniFormat II CodeB2010
    • CSI UniFormat II TitleExterior Walls

    Region availability

    South America North America
    Brazil
    United States
    Chile
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