A washer to fit the insulating materials (mineral wool or polystyrene) to: wood, in conjunction with wood screw of the correct length and diameter; metal in conjunction with metal screw of the correct length and diameter.
Use with KDH wood screws from our offer.
Special construction allows for a use with a wide range of screws.
Universal solution for mineral wool, EPS and XPS.
A plastic cap included.
Out of stock
28 days easy returns. Please see T and C’s for more details.