GCP is a specialized wholesale supplier of construction products relating to masonry and concrete, thermal and moisture protection and finishes (i.e. coatings, sealants), and firestopping. Currently in our 20th full year of operation, we are located north of Atlanta, GA in Tucker, with over 55,000 square feet of warehouse space and in Birmingham, AL.  We have a staff of experienced construction professionals available to assist in product selection, training and support.