Is Johns Manville insulation made in Canada?

Yes, Johns Manville insulation is made in Canada at its plant in Innisfail, Alberta, which produces fiberglass insulation for Canadian market, though much Johns Manville insulation sold in Canada is also imported from US plants. The Innisfail plant, located at 5200 65th Avenue, Innisfail, Alberta, about 75 miles north of Calgary, manufactures fiberglass batt insulation and rolls for residential and commercial use, serving Western Canada and national distribution, with products like formaldehyde-free fiberglass batts. Johns Manville also has distribution centers across Canada. However, majority of Johns Manville insulation production is in US plants like Defiance, Ohio, McPherson, Kansas, Scottsboro, Alabama, and Etowah, Tennessee, which also supply Canadian market, so some Johns Manville insulation in Canada is Made in USA imported. Johns Manville is owned by Berkshire Hathaway and has about 40 plants worldwide, with Innisfail being only Canadian insulation plant, producing for Canadian building codes and climate needs. So yes, Johns Manville insulation is made in Canada at Innisfail, Alberta plant, making it Canadian-made option alongside US imports, with products sold at Home Depot Canada, building supply stores, and through contractors, meeting Canadian standards for thermal resistance and fire safety, and using recycled glass content in manufacturing.