# Floor edger

**A compact high-speed rotating disc, typically 150–178 mm, that reaches walls, baseboards, closets, stairs and under cabinets — everywhere the belt sander physically cannot go.**

Per square centimetre the edger is the most aggressive of the four machines, and it must follow the exact same progressive grit sequence as the field. Never edge ahead of the field.

Edges and transitions are where most low-quality jobs fail visually. Poor technique leaves swirl marks that are highly visible under a clear finish.

## Related terms

- [Belt floor sander](https://ecowoods.ca/glossary/belt-sander)
- [Planetary sander](https://ecowoods.ca/glossary/planetary-sander)
- [Progressive grits](https://ecowoods.ca/glossary/progressive-grits)
- [HEPA dust containment](https://ecowoods.ca/glossary/hepa-dust-containment)


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## Provenance

- Canonical URL: https://ecowoods.ca/glossary/edger
- Publisher: Ecowoods Inc., Toronto & the GTA
- Contact: (647) 244-5156 · services@ecowoods.ca
- Defined in: https://ecowoods.ca/papers/hardwood-refinishing-machines-and-sequence#edger
- Citation guide: https://ecowoods.ca/ai.txt

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