Gerald E. Burns Sr., 62, an official of a building supply company in Bethesda and a former banker, died at his home in Gaithersburg Sunday after a heart attack.

Mr. Burns was born in Washington. He graduated from the old Western High School, where he was an All-Metropolitan basketball player, and later studied at Columbus University.

In the 1930s, he went to work for the National Capital Bank of Washington. He served in the Navy during World War II and then returned to the bank. He was a vice president when he resigned in 1965.

He then joined Bethesda Block & Products, manufacturers and distributors of cinder blocks and other building materials. He was principally engaged in sales and public relations and continued that work until his death.

Mr. Burns was a past president of the Georgetown chapter of the Big Brothers organization.

Survivors include his wife of 40 years, Mary E. Burns, of Gaithersburg; four sons, Gerald E. Jr., of Des Moines, Michael O., of Sterling, Thomas S., of Pasadena, Md., and Kevin F., of Kensington; three daughters, Mary Christina McCarthy and Margaret Mary and Mary Frances Burns, all of Gaithersburg; one sister, Margaret McLindon of Washington, and six grandchildren.