⭐SIZE: The foam board fasteners are 45mm/1.77 inches in diameter and the center hole is 5mm; you will get 500 plastic insulation washers, enough for your daily replacement and use for foam board insulation and other repairs.
⭐Quality Material - These insulation washers are made of polypropylene , which feature good insulation performance, strong bearing capacity, strong durability.
⭐Function -These plastic washers are used for fixing and securing insulation materials onto wall, floor, ceiling, ventilation ducts etc.The washer is good for load spreading and load distribution, it can prevent damage to insulation foam panels or sheets during installation.
⭐Easy to install: The insulation washers are easy to fix with screws or nails(not included), and the backside of the washer is designed with convex shape for securing the washer to insulation panels, making the installation more stable.
⭐Wide Application - The insulation washers are mainly used in anchoring purpose for HVAC system duct insulation, house wall insulation,equipment thermal insulation, presentation board installation etc., suitable for fixing fiberglass mat , extruded polystyrene board, insulation foam board,wooden board and so on.
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