The DOW 1/4 in. x 4 ft. x 50 ft. Underlayment Fanfold Styrofoam is a durable, extruded polystyrene (XPS) foam board designed to provide a level surface for new siding installations.Measuring 1/4 inch thick and covering 2 squares per bundle, this fanfold insulation offers an R-value of 1, enhancing thermal performance.Its moisture-resistant properties and ease of installation make it ideal for residential and commercial applications.
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selection not available, try a different combination
The DOW 1/4 in. x 4 ft. x 50 ft. Underlayment Fanfold Styrofoam is a durable, extruded polystyrene (XPS) foam board designed to provide a level surface for new siding installations.Measuring 1/4 inch thick and covering 2 squares per bundle, this fanfold insulation offers an R-value of 1, enhancing thermal performance.Its moisture-resistant properties and ease of installation make it ideal for residential and commercial applications.