Mr. Quigg helped develop screws for drywall that revolutionized the construction world, said Rex Selbe, his boss at United States Gypsum, a manufacturer of building materials and the leading manufacturer of gypsum drywall.

"In the 1950s only plaster was used in high-rises. But these screws [that Mr. Quigg helped create] allowed drywall to be attached to vertical steel studs," Selbe said. "These were to the building industry what transistors and chips were to the computer and electronic world. Now plaster has been replaced with drywall throughout the U.S. and Europe.

"Paul S. Quigg, fire-protection engineer who helped develop drywall screws, dies at age 80