Roof Zone, manufactured by Tie Down, features a line of residential and commercial roofing products. Residential products include ladder accessories, shingle cutters, and shingle removers. Ladder accessories allow for a safe stature while maintaining quick productivity. Shingle Removers, also known as tear-off tools, are an essential tool for any roofing tear-off job. Roof Zone Shingle Cutters remove the headache from cutting asphalt shingles with a standard utility knife.