Mile High Foam Standard Closed Cell Backer Rod

MILE HIGH FOAM® CLOSED CELL BACKER ROD – POLYETHYLENE SEALANT BACKING Control sealant depth and improve joint performance with Mile High Foam® Closed Cell Backer Rod. Designed to reduce sealant usage while forming the ideal hourglass configuration, this backer rod delivers consistent, reliable results across a wide range of construction applications. KEY FEATURES Controls sealant depth: reduces excess sealant use and ensures proper joint design Closed cell structure: provides moisture resistance and consistent performance Enhances joint performance: promotes proper adhesion and cohesion Durable and flexible: maintains shape under compression while allowing movement Chemical resistance: resists oil, gasoline, and most solvents Wide compatibility: works with most cold-applied sealants APPLICATIONS Expansion and construction joints Concrete and precast walls Curtain wall systems Parking decks and pavements Bridge and highway construction Window glazing Log home construction PRODUCT DETAILS Material: closed cell polyethylene Color: black Form: continuous round profile Performance: moisture-resistant and non-staining PHYSICAL PROPERTIES Density: 1.25–2.0 lbs/ft³ (ASTM D1622) Out-gassing: >1 (ASTM C1253) Tensile strength: 39–50 psi (ASTM C1623) Moisture absorption: 0.002 g/cm³ (ASTM C1016 – Proc. B) Temperature range: -90°F to +210°F (ASTM D5249) Compression: >90% (ASTM D5249) AVAILABLE OPTIONS SIZE LENGTH PACKAGING TYPE DETAILS 1/4" 400' Standard Carton 2 spools per carton 3/8" 200' Mini Carton 1 spool per carton 3/8" 3600' Standard Carton 2 spools per carton 1/2" 100' Mini Carton 1 spool per carton 1/2" 2500' Standard Carton 2 spools per carton 5/8" 100' Mini Carton 1 spool per carton 5/8" 1550' Standard Carton 2 spools per carton 3/4" 100' Mini Carton 1 spool per carton 3/4" 1100' Standard Carton 2 spools per carton 1" 75' Mini Carton 1 spool per carton 1-1/4" 400' Standard Carton 1 spool per carton 1-1/2" 420' Super Carton 6' lengths 2" 252' Super Carton 6' lengths INSTALLATION NOTES Select a diameter slightly larger than the joint width for proper compression Install at the depth recommended by the sealant manufacturer Ensure joints are clean, dry, and free of contaminants before installation LIMITATIONS Performance is subject to the limitations of the sealant used Follow all sealant manufacturer recommendations for compatibility and installation RESOURCES General Certificate of Compliance Product Information Sheet Product Information Sheet - Spanish Technical Data Technical Data - Spanish