Stewart Roofing – Roofing Services in Ottawa Shingled Roofing Over 30 years of experience in sloped asphalt/fibreglass roof installation. Metal Roofing Stewart Roofing is fully trained to install Wakefield Bridge steel shingles. This product has a transferable 50 year warranty. Flat Roofing We specialize in flat roofing systems including Fluid Applied Roofing Membranes. Attic Insulation Top up your attic insulation to the new recommended R60 standard. Save on heating and cooling costs – call now for a quote! Velux Skylights and Suntunnels Stewart Roofing offers options as part of your new roof installation. We are a certified Velux installer. Add some light to your home! New Construction Roof Installation Install a high quality initial roof – we offer up to 50 year warranties. Steel shingles and traditional asphalt/fibreglass are available.