Manufactured in UK
- Reinforced design
- Made from virgin Polypropylene a tough white engineering plastic resistant to most chemicals and acids
- Low profile only 4.2mm when fixed (5.2mm total depth).
- Easy to fix with good rigidity and balance.
- Natural Colour
Use with screw size: 4, 5 or 6
Note: For fixing rigid insulation boards like Savolit wood/wool boards, Wood fibre insulation boards, Pavatex wood fibre boards and dense rigid foam panels please see our other listing for reinforced washers with a 30% glass fibre fill these will provide a more secure fastening.