Questions and Answers for Owens Corning FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing

A:  Hello Donnely, Foamular does not have any soundproofing properties. Foamular Extruded Polystyrene Insulation contributes little to the acoustical design of interior spaces. Foamular Extruded Polystyrene Foam is a thermal not an acoustical insulation. It is neither an effective sound absorber nor a sound blocker. Thank you for your inquiry!

A:  Hello Samuel, each board weighs approximately 3.84 lbs. Thank you for your inquiry!

A:  Hello Robert, We would suggest checking with Hardie for their recommendation for use of foam behind their products. Thank you for your inquiry!

A:  Hello tweland, Owens Corning Foamular currently uses Formacel Z6 as our blowing agent, which produces zero ozone depletion and the lowest Global Warming Potential in the XPS industry (about half that of the competition) while still meeting all of the important properties that make XPS such a great choice – R-value, moisture control, compressive strength, etc. Thank you for your inquiry!

A:  Hello JimH, Foamular could be used in a hunting blind, BUT please remember that it is a flammable material and should not be near or in contact with a heat source. Thank you for your inquiry!

A:  Hello John, Foamular is a combustible product and needs to be covered by a 15-minute thermal barrier such as 1/2" drywall. Thank you for your inquiry!

A:  Hello John, While Foamular can be used to insulate a metal building, there are many factor to consider. We would suggest checking with the building manufacture for their recommendation. In regards to adhesive, we do not test specific adhesive but have a bulletin at the link below to provide guidance. https://dcpd6wotaa0mb.cloudfront.net/mdms/dms/EIS/10024851/10024851-Compatible-Adhesives-for-Foamular-and-Foamular-NGX-Techical-Bulletin.pdf?v=1621929051000 Thank you for your inquiry!

A:  Hello Mike, the need and placement of a vapor retarder is based on local building codes. We suggest checking with your local code department for requirements in your area. Thank you for your inquiry!

A:  Hello Rafters, if the Foamular is being used for crafts then it can be painted with latex paint. If the Foamular is being used as a building material, painting would not be an acceptable cover for the product. Foamular is a combustible product and must be covered with a 15-minute thermal barrier when being used as a building material. Thank you for your inquiry!

A:  Hello MPR2023, While there is not a specific reason not to add Foamular to this cavity after you have replaced the roof sheathing, our recommendation is to use the same insulation in that skylight cavity as what is in the rest of the cavities around it. Thank you for your inquiry!