1. Architecture Mr. Graves
Floor Framing
Architecture
Mr. Graves

2. The Elements of a Floor System
Supports - The floor spans between parallel supports
Foundation Wall
Stud Bearing Wall
A Carrying Beam

3. The Elements of a Floor System
Joists - The primary structure of the floor system
Can be made of a variety of materials including wood and metal
Usually placed 12”oc, 16”oc, 24”oc (oc – on center)

4. The Elements of a Floor System
Subfloor – The surface attached to the top of the joists
Provides a level surface the finished floor is attached to.
Transfers lateral loads to the walls
Usually made of plywood

5. Typical Supports

6. Typical Beam Types

7. Typical Beam to Post Connections

8. Typical Joist & Subfloor System

9. Typical Floor System
Lally column
LVL Beam
2X10 Joists
Metal Hangers

10. Open Span Beam LVL Beam with no columns (greater span) Similar Joists
Similar Hangers