100 Pack Plastic Washers 1.77 Inch 45mm For Foam Board Insulation Fixing And Fastening Polypropylene Load Spreading Washers Waterproof Weather Resistant Corrosion Resistant High Temperature Tolerant

100 Pack Plastic Washers for Foam Board Fixing and Support
✔️ 45mm OD polypropylene washers, 5mm hole, 100 pcs

These plastic washers are made from polypropylene, offering waterproofing, corrosion resistance, and insulation. They are ideal for foam board insulation fixing, load distribution, and stabilizing gypsum ceilings in both DIY and professional projects.

✅ Material: Polypropylene; waterproof, corrosion resistant, and temperature tolerant
✅ Dimensions: 45mm outer diameter (1.77"), 5mm center hole
✅ Quantity: 100 pieces per pack
✅ Applications: foam board insulation, stabilizing gypsum ceilings, polystyrene board installations
✅ Features: lightweight, easy to fix with screws or nails, smooth edges

💡 What is a plastic washer used for in foam board insulation projects?

This handy piece helps spread pressure and protect foam boards from cracking. - Distributes load to prevent cracking in foam boards - Waterproof and corrosion resistant for long outdoor use - Easy to install with standard screws or nails