Rule of Thumb

VENTILATING YOUR ATTIC

You need 1 square foot of attic vent for every 150 square feet of attic ceiling area. — Rick Eckstrom, plan ...

You need 1 square foot of attic vent for every 150 square feet of attic ceiling area. — Rick Eckstrom, plan review officer, Ithaca, New York

07/8/16