All Videos

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

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

Slip-proof roofing underlayment: even when walking on sawdust and water

Premade corners that hide siding edges and a hinged column wrap highlight this trim package

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

Dry and durable walls come from keeping water out and giving it a way to get there

Watch a guy make slab lumber out of a redwood log with nothing but a chainsaw, some planks, and a lever. [OK—and a dust mask and hearing protection]

Two videos cover the design questions and construction process of a post and beam patio roof structure

A monolithic layer of protection for holes in walls