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LP Lap Siding

The LP SmartSide product line features a variety of lap siding solutions, all available in 16-foot lengths for fewer seams and faster installation. Lap offerings are available in three of our product collections. Each grouping offers a variety of unique styles and profiles.


Architectural Collection

Treated Fiber Substrate

  • Bold Profiles: quad 4, triple 5

Treated Strand Substrate

  • Vented Soffit*
  • Cut to width Soffit

Precision Series

  • Available in various widths: 5-7/8”, 7-7/8”, 11-7/8”
  • 16’ length results in faster installation
  • Made of treated strand substrate
  • Unique beveled edge for water shedding
  • Cedar wood grain finish


  • Available in various widths: 11-7/8”
  • 16’ length results in faster installation
  • Square edge
  • Smooth finishes
  • Made of treated fiber substrate