Standard Backer Rod - 1/4" x 2000'=2ROLLS

FillPro Standard Backer Rod – Rod-Closed-Cell Foam for Sealant Control

Product Overview:
The FillPro Standard Backer Rod is a non-absorbent, closed-cell polyethylene foam rod designed to control the depth and shape of sealants in joints and cracks. With a durable skin-like outer texture and excellent compressibility, it’s ideal for a wide range of construction and repair applications.

Key Features:

• Closed-cell, extruded polyethylene foam
• Flexible and easy to install
• Non-absorbent and moisture-resistant
• Compatible with most cold-applied sealants
• Available in gray or white, in coils or 6-foot lengths
• Meets ASTM C1330 Type C and ASTM D5249 Type 3 standards
• Distributed across the U.S. and Canada

Common Applications:

• Window and door frames
• Glazing installations
• Expansion joints
• Curtain wall systems
• Precast concrete units
• Pavement and log construction
• Temporary joint sealing

Installation Instructions:

1. Ensure the joint is clean, dry, and free of debris.
2. Choose the correct diameter using the sizing chart.
3. Cut to length or use directly from the spool.
4. Insert with a blunt tool or roller to the recommended depth.
5. Avoid puncturing, stretching, or over-compressing the rod.

Why Use FillPro Standard?
This backer rod acts as a bond breaker, preventing three-sided adhesion and ensuring proper sealant wetting and performance. It also reduces sealant waste by limiting depth, making it a cost-effective solution for professionals and DIYers alike.

Technical Specifications:

• Service Temperature: -90°F to 210°F
• Water Absorption: 0.03 gm/cc (ASTM C1016)
• Density: >1.5 lbs/cu.ft (ASTM D1622)
• Tensile Strength: >24 psi (ASTM D1623)
• Compression Deflection: ≥7 psi (ASTM D5249)
• Compression Recovery: >96%
• Outgassing: <1 bubble (ASTM C1253)