Your roof is vitally important because it protects you, your employees and your inventory from the elements. If your roof is due for a replacement, turn to D.J. Wooliver & Sons Incorporated Roofing. Our roofing contractors have over 100 years of combined industry experience, which means you can trust us to deliver exceptional results. From sheet metal fabrication services to slate roof installation work, we've got you covered. Schedule an appointment with our roofing contractors today. We serve the Lanesborough & Northampton, MA areas.