Dan Morrison | November 23, 2016

Jobsite Handbook // Roofing, WRB, Flashing

Roof Flashing Guide

Edge metal, valley flashing, dormer, chimney, and kickout flashing shed water away from the connections between roofs, walls, chimneys, and other building assemblies


This collection of articles, animations, and videos identifies the critical flashing areas, illustrates durable details, and shows how to get it done in the real world.  


Details // Roofing, WRB, Flashing

Two Ways to Flash Roof Edges

Protect the eave from ice dams and sideways rain

Details // Roofing, WRB, Flashing

How to Flash an Open Valley with W-Type Valley Metal

Roof valleys are like gutters with a steep pitch; but the stakes are higher for valleys than they are for gutters  

Details // Roofing, WRB, Flashing

Dormer Flashing Details in 4D

Concentrate on the corners and think like water when overlapping the layers  

Details // Roofing, Siding, Exterior Trim, WRB, Flashing

Kickout Flashing That Won't Leak

Counting down the top 15 pages of 2016. This one is #12. Ground zero for roof rot is often where roofs meet walls.

Details // Concrete, Masonry, Roofing, WRB, Flashing

Step Flashing 2 Brick: Its Complicated

Flashing must extend all the way from the wall to the outside. Oh yeah, and it has to be watertight and eight people have to work on it...  


Video // Roofing

Slipping (Sticky) Roof Membrane Under Existing Step Flashing

A three-foot stick can hold a section of step flashing out of the way while you work the membrane into place.

YouTube Video // Roofing

Roof Flashings Done Right

  Step flashing, chimney flashing, and pipe flashings keep water out of the roof, but only if installed well  

Video // Roofing, WRB, Flashing

Flashing A Humpy Old Roof Valley

Flashing a humpy old roof valley requires a little give and take, and a backup plan

Video // Roofing, WRB, Flashing

Installing Drip Edge on a Humpy Old Roof

Dealing with dips and making clean overlaps


Article // Roofing, Siding, Exterior Trim, WRB, Flashing

When Drip Edge Becomes A Double Agent

Counting down the top 15 pages of 2016. This one is #9. The mission of water is to turn houses to mush. Some drip edge flashings may actually help water accomplish this mission.

Video, Article // WRB, Flashing

Low Slope Roofing: Troubleshooting in Advance

Use membranes, drain to an open edge, slope everything, and read the *darned* manual(s)

Video, Article // Roofing, WRB, Flashing

Best Practices for Steep-Slope Roofing

Sweat the details or you'll drown in them

Article // Roofing

Kickout Flashing Keeps Water Out of Walls

Rain should run off the roof and into the gutter. 



Building Code: