Insulated Block

KORFIL® Standard U-Shaped Insulation inserts are designed to fit standard two (2) core masonry units of 6", 8", 10" and 12" widths.
Made from flame-retardant treated expandable polystyrene, the inserts improve the heat flow balance between the three primary heat paths, core area, web area and mortar joint area resulting in wall surface temperature variations that are significantly reduced without affecting the structural characteristics of concrete masonry walls.

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Features & Benefits

  • Both KORFIL and ICON Inserts are individually molded from EPS.
  • They are designed to fit standard 2-core masonry units of 6, 8, 10 and 12-inch widths.
  • The assembly provides a wall system capable of achieving higher thermal R values than conventional masonry, with little effect on structural integrity

Committed to serving specifiers, contractors and installers across the country, Best Block manufactures the highest quality line of architectural and standard block as well as segmental retaining walls on the market. Offering products in a wide array of shapes, sizes, colors, textures and finishes, Best Block delivers strength, beauty and function to any residential or commercial project.

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