200 Pcs 58mm Polypropylene Washers - Foam Board Insulation Fastening Discs, White

About This Product

So these white plastic washers are specifically designed for installing insulation foam boards - you get 200 pieces in the pack, which should be plenty for most projects with some left over for future use. They're made from polypropylene and measure 58mm in outer diameter with a 4.5mm inner hole, which is the perfect size for securing foam panels without being too bulky. The installation process is straightforward - you position your insulation boards on the wall or ceiling, drill holes through them into the mounting surface, then use these washers with nails (nails not included, so you'll need to get those separately) to secure everything in place. What these washers really do is distribute the pressure evenly across the foam surface, preventing damage like cracking or denting that can happen when you fasten insulation directly. The polypropylene material has good insulating properties itself and resists deformation, so they'll hold up well over time. Having 200 means you can tackle larger projects without running out mid-job, which is always frustrating. They're compact enough for easy storage but substantial enough to do their job properly. Whether you're a professional contractor doing insulation installations or a DIY homeowner tackling a basement or attic project, having the right fasteners makes the job so much easier and gives you better results. The white color blends nicely with most foam boards too, so they're not super noticeable once installed. Definitely one of those specialized supplies that you might not think about until you need them, but then you're really glad to have the right tool for the job.