Northwestern Ohio Foam bar464x5 Barrier Insulation Roll

Product Description

The NORTHWESTERN OHIO FOAM bar464x5 is a roll of under-concrete barrier insulation designed to separate a concrete slab from the surrounding structure, soil, or sub-base. Each roll measures 1.25 inches thick by 4 feet wide by 64 feet long, covering 256 square feet of area and weighing 35 pounds. It provides a thermal and moisture break beneath poured concrete slabs, helping reduce heat loss and limit moisture transfer through the slab assembly. Licensed contractors working on residential and commercial flatwork installations use this product as part of a code-compliant insulated slab detail.

This barrier insulation is suited for under-slab applications including garage floors, basement slabs, crawlspace floor systems, and heated slab-on-grade construction. The 4-foot roll width works efficiently with standard slab forming layouts, minimizing cuts and reducing waste on the job. At 256 square feet per roll, a single unit covers a substantial portion of most residential slab pours.

Key Features

• Dimensions: 1.25 inches thick x 4 feet wide x 64 feet long per roll
• Coverage: 256 square feet per roll
• Roll weight: 35 pounds
• Designed for under-concrete barrier and thermal break applications
• 4-foot width aligns with standard forming and layout increments

Compatibility

Designed as an OEM-style replacement insulation roll for under-slab barrier applications in residential and light commercial concrete construction.

Installation Notes

This product is typically installed by concrete flatwork contractors or general contractors prior to the concrete pour. Roll the insulation out flat over the prepared sub-base, butting seams tightly to minimize gaps, and secure edges as required by the project specification. Follow local building codes and slab insulation requirements, which may reference energy code standards such as IECC, for minimum R-value and placement details. Do not pour concrete until the insulation is fully positioned and any required vapor barrier layers are in place per the project drawings.

Technical Specifications

• Thickness: 1.25 inches
• Width: 4 feet
• Length: 64 feet
• Coverage Per Roll: 256 square feet
• Roll Weight: 35 pounds

Standard Information

• Brand: NORTHWESTERN OHIO FOAM
• Manufacturer Part Number: bar464x5