Listeners write in about outdoor showers, a Philadelphia carpentry teacher, and the science of hail damage. We ask building scientist Monica Rokicki-Guajardo questions about building performance, HVAC systems, and indoor air quality.

Listeners write in about shade structures, metaphors for air-sealing, and the HVAC industry and ask questions about porch railings, porch flooring, and Japanese footings.

Listeners write in about off-site construction, displaying old walls, and building outbuildings and ask questions about leaky doors, missing flashing, and insulating kneewalls.

Listeners write in about high water bills, soggy straw bales, and house fires and ask questions about tightening wood-fiber walls, places without inspections, and heat pump water heaters.

Listeners write in about EVs, sources of CO, and structural engineering and ask questions about roof insulation, rim joists, and shrinking houses.

Listeners write in about water conservation, useful books, and work trucks. Questions include builders in Oklahoma, roof insulation, and fixing ice dams.

Listeners write in about the value of FHB and ask questions about basement flooring, condensation on windows, HVAC register locations, and heat-pump water heaters.

Listeners write in about off-site construction and ask questions about board-framed walls, sealed crawlspaces, and overflowing laundry standpipes.

Listeners write in about Super Insulated Houses and water pipes and ask questions about building a house inside a barn, sidewall flashing, and chimney dampers.

Listeners write in about high-performance builds, wall insulation, and EV vans and ask questions about bad building, insulating a lean-to, and minisplit air distribution.

Listeners write in about handyman businesses, NASA’s stuck screws, and leak detectors and ask questions about old houses, sizing beams, and restoring windows.