foam knife for upholstery
A good foam knife for upholstery is the difference between a cushion that looks professionally made and one with ragged, sloping edges that show through your fabric. Whether you're replacing a sofa seat, building a window bench pad, or reshaping a dining chair, a clean cut gives your cover a smooth, tailored fit.
Why the Right Foam Cutter Matters
Upholstery foam is dense and springy, so ordinary scissors or utility blades tend to compress and tear it. A purpose-made tool slices through the full thickness cleanly, keeping sides square and corners crisp.
Electric vs. Manual Blades
- Electric foam cutters use reciprocating serrated blades that glide through thick seat cushions with little effort, making them ideal for frequent or large projects.
- Serrated foam knives are a simple manual option for thinner foam, quick trims, and occasional repairs.
What to Look For
Consider blade length relative to your foam thickness, a comfortable grip for long cuts, and how easily blades can be replaced or cleaned. Marking your lines with a straightedge first and letting the blade do the work will give you the straightest results.
Ready to cut cushion foam with confidence? Browse our selection of foam cutting tools below and find the right fit for your next upholstery project.
