What is Roof Flashing? A Markham Homeowner’s Guide

detailed gray shingle roof and brick flashing

Roof flashing is a thin material, usually galvanized steel, aluminum or copper, installed wherever your roof has a joint, a wall, a valley or a pipe coming through it. Its job is to send water past those spots instead of into them. The question “what is roof flashing” usually comes up when a roofer mentions […]