Do you need a reliable company in Castle Rock, CO providing commercial and residential roofing, siding and guttering installation, repair and maintenance services? Stop searching - we have detailed information and unbiased reviews about local contractors. 
We are a full-service company specializing in roof repair and replacement of all types - from asphalt shingle, tile, and shake to metal, modified, and many others. Wind and hail roof repair and replacement is our area of expertise. We use only the best quality products and our installation contractors are top-notch. Your complete satisfaction is our goal and we back this up with a 5 year warranty on every single installation.
Kristine Hughes —
GBS installed a new roof for us right after the last big hail storm. Everyone from GBS was friendly and professional. Most
