GF Sprague is undoubtedly the elite roof covering company serving the greater Boston Mass. locality since 1969 The resources we all do the job with include; shingle, slate, and rubber. GF Sprague also installs and repairs gutters, including copper. All of us present zero cost infrared camera assessments as well as 0 % per cent financing for up to 12 months. In the event that you have a roof, we have your remedy.