SolidStart® I-Joist

I-Joists

Callbacks are a Thing of the Past

LP® SolidStart® I-Joist products are designed to provide floors and ceilings that are solid, true and uniform in residential and commercial construction.

  • More uniform in strength, stiffness and size than solid sawn lumber
  • Less likely to warp, shrink, twist, split or crown
  • More versatile, with deep depths, wide flanges and long span capability
  • Lightweight and easy to install
  • Compliant with major building codes
  • Make more efficient use of wood than timber beams
  Flange Width Flange Material Depths
LPI 18 (West) 2-1/2" Proprietary Grade Lumber 9-1/2"
11-7/8"
LPI 20 Plus 2-1/2" Modified 1650Fb-1.5E MSR Lumber 9-1/2"
11-7/8"
14"
LPI 32 Plus 2-1/2" Modified 2100 Fb-1.8E MSR Lumber 9-1/2"
11-7/8"
14"
16"
LPI 36 (West) 2-1/4" LP LVL 11-7/8"
14"
16"
18"
20"
22"
24"
LPI 56 3-1/2" LP LVL 11-7/8"
14"
16"
18"
20"
22"
24"
LPI 42 Plus 3-1/2" 2100Fb-1.8 MSR Lumber 9-1/2"
11-7/8"
14"
16"