TFP-604 Polypropylene Foam Fastener Washer


1 3/4″ Polypropylene washer (45 mm)

1,75″ inches diameter (45 mm)

Natural color (White)

Quantity per Box : 1000

SKU: TFP-604 Category:


Properties :

  • Firmly locks insulation panels
  • Eliminate thermal bridges
  • Non-corrosive
  • Can be screwed or nailed on
  • Adheres to the base coat insulator through the keys
  • Coating keys into opening for positive locking power
  • Made from polypropylene selected for its resistance to alkalis in cement as well as dryness from the sun

The TFP-604 washer is a mechanical fastener made of high-density prolypopylene designed to firmly fasten insulating panels, fiberglass mesh or metal mesh.

They can be applied in any weather conditions and easy to fix any types of insulating panels on almost any substrates including wood, metal, steel, fiberglass mesh and masonry.

Keys allow the base adhesive to reach the insulator, increasing the strenght of the system. Whether it is nailed or screwed on, the TFP-604 will easily and firmly fasten to the structure.


Set the TFP-604 washer flush with surface. Overdriving washer will damage the washer.



These drawings and spacing patterns are for general information. The specification, design and construction of all EIFS and the installation of insulating panels must comply with local building codes and applicable standards, compliance reports and the individual manufacturer’s system requirements. Only the EIFS manufacturer or design professional can furnish specifications, details, drawings, and construction practices to be followed for the actual construction and use of an EIFS product, and for the compliance with applicable local building codes and construction practices.

Additional information

Weight 6 lbs
Dimensions 13 × 10 × 7 in