Insulation board washers.
Insulation board washers, which prevent the screws penetrating into the extruded polystyrene (XPS) foam.
Fixing discs are galvanized or stainless steel.
| Uniclass 2015 | Shower enclosures (Pr_40_20_06_79) |
| Product Reference | wedi Tools Insulation Board Washers, Galvanized 35 mm Diameterwedi Tools Insulation Board Washers, Stainless Steel 35 mm Diameter |