Installing Lead Step- and Counterflashing


How to install a roof to wall counter flashing and custom-cut one-piece step flashing into a brick wall.

The Roof Leak That Wasn't: A Mystery Tale


How to find a moisture leak on a flat roof with multiple elevations

Roof Replacement—and A Discussion of Respect Among the Trades


When reroofs are piecemeal rather than systemic, little things like drip edge can snowball. #HonorYourCraft

Country Style Roof Construction: Sticks, Bricks, Mud, and Goop


I spotted this interesting roof construction in Cuenca, Ecuador: Branch logs as rafters; purlins of split branch logs with thin brick overlaid in two strata

Roof Flashings Done Right

Video about how to install roof flashings properly


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


High Performance Handbook

Two packages for high performance homes. Vented and unvented roof insulation retrofits and exterior wall insulation details along with rainscreen wall details for furring strips.

The Pen Test for Air-, Water- and Thermal-Tightness

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Water and air leaks in a building shell are difficult enough to detail on simple buildings. Complex structures can cause headaches for builders, remodelers, and architects who don't pick up their pens and trace at the design stage.

Witch-Proofing Your Roof

In Cartagena, Colombia, where the Spanish Inquisition burned 800 suspected sorcerers and witches in the town square, roofs were equipped with spiked corners to prevent witches from landing on them.

Moisture Management Guide: Three Design Rules

When plumbing lines burst, people notice. Unfortunately, a lot of the moisture damage in houses has nothing to do with bulk water. 

Flashing A Humpy Old Roof Valley


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

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.

Roof Valleys: Begin with Peel and Stick


Roof valleys are like gutters with a steep pitch. Just because they are steep, doesn't mean they're not gutters.