- a heavy, tar-coated paper used as a waterproofing material in building construction.
Origin of tarpaper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tarpaper
The walls will be of shiplap, covered with matched siding, with tarpaper between.
Outside, the rain fell in great silvery sheets, so that the noise on the tarpaper roof of the barracks was almost deafening.Three Soldiers
John Dos Passos
The roof will be of two thicknesses of boards, bent to a gentle oval over a stout ridge-pole, and again with tarpaper between.