SolidStart® I-Joist

I-Joists Pro


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Install Peace and Quiet

The LP® library of CAD software with I-Joist installation details has all the information builders need to safely use I-Joists as part of the LP SolidStart® Floor System and for ceilings.

Floor Details

A1 SS Rim Board
A1s SS Rim with Squash Blocks
A1w LP Rim Board
A2 LPI Rim Joist
A2w LPI Rim Joist with Web
A3 LPI Blocking Exterior Wall
A4 Solid Blocking Exterior Wall
A5 Joist End Nailing
A6 LPI Starter Joist
A7 LPI Starter Rim Board Starter Joist
A8 Bevel Cut Fire Cut
A9 Scarf Cut
A10 LPI Rim Board Starter

B2 Squash Blocks Internal Supports
B3c LPI End Over Interior Support
B1 Web Stiffener Interior Support
B3 LPI Blocking Interior Support
B4 Joist Nailing Interior Support

C1 Cantilever Detail No Reinforcement
C1w Cantilever Detail Web Stiffener Required
C2 Cantilever Detail One Side Only
C3 Cantilever Detail Reinforcement Both Sides
C4 Cantilever Detail SS Rim Board
C5 Cantilever Detail SS Rim
C6 Step Down Cantilever Uniform Loads
C7 Brick Ledge Cantilever Web Filler Reinforcing
C8 Brick Ledge Cantilever Full Depth Reinforcing
C10 Cantilever Horizontal Blocking

D1 Interior Non Stacking Load Reinforcement

E1 Stair Stringer Attachment
E2 Hanger LPI on Beam
E3 LPI Header
E4 LPI Header Cross Section
E5 Double LPI Connection
E6 Hanger LPI on Steel

Fire Assembly Details

F1 One Hour Double Layer FC380
F2 One Hour Double Layer STC FC380
F3 One Hour Single Layer FC458
F4 One Hour Single Layer STC FC458
F5 One Hour Double Layer FC477
F6 One Hour Double Layer STC FC477
F7 One Hour Double Layer STC FC477
F8 One Hour WIJ 1.1
F9 One Hour WIJ 1.2
F10 One Hour WIJ 1.2
F11 One Hour WIJ 1.4
F12 One Hour WIJ 1.5
F13 One Hour Double Layer WIJ 1.6
F14 Two Hour WIJ 2.1

Roof Details

H1 Bird's Mouth
H2 Beveled Plate
H3 Flat Soffit
H4 Overhang
H5 Overhang

J1 Roof Joist Connection
J2 Roof Joist Connection with Fitted Gusset
J3 Roof Joist Ridge Connection
J4 Header Connection

K1 Roof Opening Hanger Connections
K2 Outrigger

M1 Foundation Wall Restraint
M2 Foundation Wall Restraint

LVL Details

P1 Top Loaded Beam Nailed Connection
P2 Top Loaded Beam Bolted Connection
P3 Beam Connection
P4 Steel Column
P5 Wood Column
P6 Floor Beam Flush Ceiling
P7 Concrete Wall

Q1 Window Door Header
Q2 Window Door Header

X3 LVL Hole Details

Y1 Fastener Diagram
Y2 Fastener Diagram

Sprinkler Details

S1 Two Screw Ceiling Flange
S2 Sprinkler Support
S3 Sprinkler Support
S4 Sprinkler Support
S5 Coach Screw Hanger
S7 Sprinkler Support
S8 Sprinkler Support
S9 Sprinkler Support

General I-Joist Details

W1 Web Stiffener Requirements

X1 Flange Nailing Schedule
X2 I Joist Filler Schedule


A1 SS Rim Board
DWG File DXF File
A1 SS Rim Board



A1s SS Rim with Squash Blocks
DWG File DXF File
A1s SS Rim wSquash Blocks



A1w LP Rim Board
DWG File DXF File
A1w LP Rim Board



A2 LPI Rim Joist
DWG File DXF File
A2 LPI Rim Joist



A2w LPI Rim Joist with Web
DWG File DXF File
A2w LPI Rim Joist with Web



A3 LPI Blocking Exterior Wall
DWG File DXF File
A3 LPI Blocking Exterior Wall



A4 Solid Blocking Exterior Wall
DWG File DXF File
A4 Solid Blocking Exterior Wall



A5 Joist End Nailing
DWG File DXF File
A5 Joist End Nailing



A6 LPI Starter Joist
DWG File DXF File
A6 LPI Starter Joist



A7 LPI Starter Rim Board Starter Joist
DWG File DXF File
A7 LPI Starter Rim Board Starter Joist



A8 Bevel Cut Fire Cut
DWG File DXF File
A8 Bevel Cut Fire Cut



A9 Scarf Cut
DWG File DXF File
A9 Scarf Cut



A10 LPI Rim Board Starter
DWG File DXF File
A10 LPI Rim Board Starter



B1 Web Stiffener Interior Support
DWG File DXF File
B1 Web Stiffener Interior Support



B2 Squash Blocks Internal Supports
DWG File DXF File
B2 Squash Blocks Internal Supports



B3 LPI Blocking Interior Support
DWG File DXF File
B3 LPI Blocking Interior Support



B3c LPI End Over Interior Support
DWG File DXF File
B3c LPI End Over Interior Support



B4 Joist Nailing Interior Support
DWG File DXF File
B4 Joist Nailing Interior Support



C1 Cantilever Detail No Reinforcement
DWG File DXF File
C1 Cantilever Detail No Reinforcement



C1w Cantilever Detail No Reinforcement
DWG File DXF File
C1w Cantilever Detail No Reinforcement



C2 Cantilever Detail Reinforced One Side Only
DWG File DXF File
C1 Cantilever Detail Reinforced One Side Only



C3 Cantilever Detail Reinforcement Both Sides
DWG File DXF File
C3 Cantilever Detail Reinforcement Both Sides



C4 Cantilever Detail SS Rim Board
DWG File DXF File
C5 Cantilever Detail SS Rim Board



C5 Cantilever Detail SS Rim
DWG File DXF File
C5 Cantilever Detail SS Rim



C6 Step Down Cantilever Uniform Loads
DWG File DXF File




C7 Brick Ledge Cantilever Web Filler Reinforcing
DWG File DXF File




C8 Brick Ledge Cantilever Full Depth Reinforcing
DWG File DXF File




C10 Cantilever Horizontal Blocking
DWG File DXF File




D1 Interior Non Stacking Load Reinforcement
DWG File DXF File




E1 Stair Stringer Attachment
DWG File DXF File




E2 Hanger LPI on Beam
DWG File DXF File




E3 LPI Header
DWG File DXF File




E4 LPI Header Cross Section
DWG File DXF File




E5 Double LPI Connection
DWG File DXF File




E6 Hanger LPI on Steel
DWG File DXF File




F1 One Hour Double Layer FC380
DWG File DXF File




F2 One Hour Double Layer STC FC380
DWG File DXF File




F3 One Hour Single Layer FC458
DWG File DXF File




F4 One Hour Single Layer STC FC458
DWG File DXF File




F5 One Hour Double Layer FC477
DWG File DXF File




F6 One Hour Double Layer STC FC477
DWG File DXF File




F7 One Hour Double Layer STC FC477
DWG File DXF File




F8 One Hour WIJ 1.1
DWG File DXF File




F9 One Hour WIJ 1.2
DWG File DXF File




F10 One Hour WIJ 1.2
DWG File DXF File




F11 One Hour WIJ 1.4
DWG File DXF File




F12 One Hour WIJ 1.5
DWG File DXF File




F13 One Hour Double Layer WIJ 1.6
DWG File DXF File




F14 Two Hour WIJ 2.1
DWG File DXF File




H1 Bird's Mouth
DWG File DXF File




H2 Beveled Plate
DWG File DXF File




H3 Flat Soffit
DWG File DXF File




H4 Overhang
DWG File DXF File




H5 Overhang
DWG File DXF File




J1 Roof Joist Connection
DWG File DXF File




J2 Roof Joist Connection with Fitted Gusset
DWG File DXF File




J3 Roof Joist Ridge Connection
DWG File DXF File




J4 Header Connection
DWG File DXF File




K1 Roof Opening Hanger Connection
DWG File DXF File




K2 Outrigger
DWG File DXF File




M1 Foundation Wall Restraint
DWG File DXF File




M2 Foundation Wall Restraint
DWG File DXF File




P1 Top Loaded Beam Nailed Connection
DWG File DXF File




P2 Top Loaded Beam Bolted Connection
DWG File DXF File




P3 Beam Connection
DWG File DXF File




P4 Steel Column
DWG File DXF File




P5 Wood Column
DWG File DXF File




P6 Floor Beam Flush Ceiling
DWG File DXF File




P7 Concrete Wall
DWG File DXF File




Q1 Window Door Header
DWG File DXF File




Q2 Window Door Header
DWG File DXF File




S1 Two Screw Ceiling Flange
DWG File DXF File




S2 Sprinkler Support
DWG File DXF File




S3 Sprinkler Support
DWG File DXF File




S4 Sprinkler Support
DWG File DXF File




S5 Coach Screw Hanger
DWG File DXF File




S7 Sprinkler Support
DWG File DXF File




S8 Sprinkler Support
DWG File DXF File




S9 Sprinkler Support
DWG File DXF File




W1 Web Stiffener Requirements
DWG File DXF File




X1 Flange Nailing Schedule
DWG File DXF File




X2 I Joist Filler Schedule
DWG File DXF File




X3 LVL Hole Details
DWG File DXF File




Y1 Fastener Diagrams
DWG File DXF File




Y2 Fastener Diagram
DWG File DXF File