A lightweight, durable plastic washer designed for securing EPS (expanded polystyrene) insulation boards. The washer features a wide disc to evenly distribute pressure, preventing surface damage and ensuring firm attachment. Tested on 20 mm EPS boards with excellent results. Optimized for use with insulation anchors or screw fixings in façade thermal insulation systems. Suitable for 3D printing in PLA, PETG, or ABS.

Diameter: 46 mm
Anchor hole diameter: 5 mm