Looking for roofers in South Jersey? Gasper Roofing is the one to call. Since 1972, Gasper Roofing has been installing, repairing, and maintaining roofs for homeowners and businesses alike. Family owned and locally operated roofers in South Jersey. Gasper Roofing offers a 20-year warranty on commercial roof installation. Gasper Roofers in South Jersey are Mule Hide Legacy contractors and Owens Corning..