SIA

SIA sanding abrasives include wet and dry sanding sheets and Speed Disks sanding pads in 150mm and 200mm sizes. Designed specifically for surfboard shaping and glassing, these products work well with both polyester and epoxy resins. The Speed Disks feature a patented design that reduces clogging and extends their lifespan, making sanding more efficient. Grit options range from 320 up to 1200, allowing you to build up grades smoothly before polishing your board.