WRB & Flashing

Make a route for drainage, protect the structure, and use water-tolerant materials to rebuild

Use real trim stock and give some thought to the layout—it will improve the look of your job 100 percent

Putting a window in the hole means sealing around the edges, too

How to bend a lock-hem drip edge on a sheet metal brake

Raised heel trusses and a sealed roof deck make a fast energy efficient roof system

Drip edge is another water-shedding tool

Stop rot with house wrap​

Peel and stick Z-flashing and some padding pushes a ledger flush with the face of the thick panels. A cover sheet of peel and stick completely waterproof the ledger before the deck is framed 

Continuous exterior insulation means smaller studs and higher performance

Cold tape doesn't stick and hot tape stick like sh—well, you know what it sticks like.

Flashing a wood-framed chimney is like flashing a dormer, except there’s no roof behind it. Without protection, water can leak into the joint and rot your walls to direct uphill water away

The general idea of installing windows is to plug the big hole that you just cut in the wall.

Two ways to insulate a brick veneer wall, from the Inside

A silent movie about flashing metal roofing into a brick chimney from UnionCorrugating.

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...