DP400 1-3/4" Mechanical Fastener With Stem (1,000 Pieces/Box)

POLYPROPYLENE WASHER WITH PRE-SPOT STEM FOR QUICK INSTALLATION

The DP400 EIFS PM Washer is a high-density, polypropylene washer designed to secure fiberglass mesh or wire mesh over foam insulation boards. Its time-saving pre-spot stem ensures quick and accurate installation, making it an essential tool for polymer-modified stucco applications. With a low-profile design for flush seating and a large 1-3/4" diameter for superior holding power, the DP400 delivers exceptional performance in demanding conditions.

FEATURES AND BENEFITS

• Durable polypropylene construction – Provides excellent impact resistance and long-lasting performance.
• Time-saving pre-spot stem – Simplifies and speeds up installation.
• Low-profile design – Enables flush seating for professional finishes.
• Keyhole design – Creates a strong mechanical bond with the EIFS base coat.
• Large 1-3/4" head diameter – Offers enhanced wind load holding capacity.

SPECIFICATIONS

• Diameter: 1-3/4"
• Push Through Strength @ 10°: 256 lbs
• Push Through Strength @ 180°: 177 lbs
• Pull Over Strength @ 10°: 50.8 lbs
• Pull Over Strength @ 180°: 122.4 lbs
• Material: High-density polypropylene

APPLICATIONS

• Attaching rigid insulation to wood, steel, masonry, or concrete substrates.
• Supporting polymer-modified (PM) systems.
• Securing expanded lath or fiberglass fabric over rigid insulation.

DESIGNED FOR PERFORMANCE

The DP400 EIFS PM Washer excels in temperature extremes, providing reliable impact resistance and durability for various stucco and insulation applications. Its ribbed, low-profile design and keylock face ensure secure and professional results, saving time and effort on every project.

RESOURCES 

• Washer Comparison Brochure
• Safety Data Sheet
• EIFS Manufacturers Fastener Approval