All Videos

Protect the edges from sideways rain, and overlap like you've done it before!

Use gravity and capillary breaks to stop water from seeping into the basement

Flashing, overlapping, and sealing layers keeps the outside out and the inside in

There is more to an airtight watertight door installation than flashing; adjusting the weatherstripping is critical.

This building is designed with the sun—rather than with dimensional lumber—in mind

Stretchy gasket tape, flanged workboxes, and sealant can solve a HOLE lotta air leaks

A monolithic layer of protection for holes in walls

The Tyvek weather-resistive barrier can be a water barrier and an air barrier, but it is NOT a vapor barrier

Two types of tapes for two air sealing applications

Interior membranes can be part of a high-performance wall assembly as a vapor retarder or as part of an air barrier system

Barriers, air gaps, continuous insulation, and redundancy give durability to a new crawlspace

How to see through walls and floors to avoid plumbing, HVAC, and loads that aren't obvious in a cabinet-covered wall

Different proportions of the same four ingredients yield different strength mixes of concrete for structural and non-structural parts of a building

An overview of the premiere season of this new construction show. We'll follow MARK IV Builders as they demonstrate smart building envelope practices.

Hidden fasteners and a bolt-down railing make quick work of a beautiful deck