Creeper Truss
A plated timber creeper truss, the short hip end truss that is carried by a hip truss and makes the hip plane: a sloping rafter and a ceiling tie joined at the heel and cut vertically at the end that meets the hip, drawn as members without connector plates. Run, pitch and heel overhang, Member thickness and chord depth
Details
Category: Roof Framing › Timber Roof Framing › Hip Truss Roofs › Hip Set Trusses
By Huu Khanh Nguyen · Updated November 4, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Span | 3000 | mm |
| Pitch | 31 | ° |
| Overhang | 450 | mm |
| Member Thickness | 35 | mm |
| Chord Depth | 97 | mm |
| Web Depth | 70 | mm |
| Slope | Math.tan((pitch * Math.PI / 180)) | |
| Heel Height | chordDepth / Math.cos((pitch * Math.PI / 180)) | mm |
| Width | span + overhang | mm |
| Depth | chordThickness | mm |
| Height | span * slope + heelHeight + overhang * slope | mm |