JC Roofing & Insulating in South Sioux City is now a certified contractor to install the Malarkey brand of asphalt roofing shingles for residential applications.

Malarkey Roofing Products, founded by Herbert Malarkey in 1956 and still owned by the Malarkey family, will be sold to The Holcim Group, based in Zug, Switzerland. Holcim said the cash deal is ...

Herbert Malarkey Roofing Co. and the Oregon Department of Environmental Quality have agreed on a fine of $1.45 million for air quality violations at the roofing company’s North Portland factory.