Application Fixings should be used every 450mm on average. Pack of 100 fixings. Properties The plastic headed nails are produced from A4 marine grade stainless steel and are available in a wide range of colours to match all Freefoam colours and woodgrain finishes. Plastops is a range of fixings which come in a variety of sizes and colours to match Freefoam’s fascia, soffit and cladding systems. PVC roofline and rainwater products are fixed in place using colour matched plastic-headed pins and nails that blend into the product being installed and ensure a professional installation. Plastops fixings are produced from A4 marine grade stainless steel to eliminate the risk of rust and discolouration, designed for high shock absorption to ensure the tops remain in place during fixing and ringshanked for increased grip when installed.