Roofing contractor:

Wagner Roofing
4909 46th Ave.
Hyattsville, MD 20781
Telephone: (301) 927-9030
Fax: (301) 927-3505
www.wagnerroofing.com

Roofing manufacturer:

Greenstone Slate Co.
325 Upper Road
P.O. Box 134
Poultney, VT 05764
Telephone: (802) 287-4333
Toll free: (800) 619-4333
Fax: (802) 287-5720
www.greenstoneslate.com

This Web exclusive information is a supplement to A landmark project.