Sia Sanding Sponge

SIA 7979 Siasponge Soft Sanding Pad (4.5" x 5.5" x 3/16") — Wet/Dry Flexible Finishing Sponge

Make finish prep faster and cleaner with the SIA 7979 Siasponge Soft—a highly flexible sanding sponge designed for fine sanding, scuff sanding, keying, and polishing prep. The soft, pressure-equalizing foam conforms to curves, contours, edges, and profiles, helping you achieve a smooth, even scratch pattern without the common risk of sanding through on corners.

Whether you’re working on wood, plastics, paint, primer, or clear coats, this low-clog sanding pad can be used wet or dry, making it a go-to for everything from quick scuffing between coats to detailed prep work in tight spots.

Why woodworkers and DIYers love it

• Wet or dry sanding for cleaner results and better dust control

• Soft foam backing helps prevent sanding through on edges and corners

• Low clogging design (3D foam + binder system + grit structure)

• Consistent scratch depth for more predictable finishing results

• Perfect for hard-to-reach areas, roundovers, and shaped parts

• Colour-coded for quick grit identification in the shop

Best uses and applications

• Scuff sanding between coats of lacquer and other finishes

• Keying wood and plastics before finishing

• Prepping old/new varnish, primer, filler, and paint

• Fine sanding primer/filler in corners, profiles, and detailed areas

• Intermediate sanding of lacquers and coatings

• Polishing prep and final surface refinement

Size

• 4.5" x 5.5" x 3/16" thick

Great for: furniture makers, cabinet builders, epoxy + wood projects, refinishing, and anyone who wants a clean, even finish—especially on curves and edges.