Insulating exterior walls with new insulation in a hidden wall cavity during an upgrade is challenging. Insulating outside walls cavities with injection foam shows promise as one solution. It’s not ...

Getting hit with a huge utility bill is unpleasant, but it’s even worse when you know that it’s high due to heat or air conditioning loss through the doors, windows, or walls. Fitting exterior walls ...

A question appeared recently in your column about insulating an early 1900’s house from the inside. Your answer concerned the use of foam insulation and the application of rigid foam board to the ...

Scientists in China have designed a solar self-insulated composite exterior wall panel, integrating a solar collector panel, PV panel, and insulation board. The proposed experimental setup has ...

When temperatures drop, you usually feel it first not in the walls, but in the tiny gaps where cold air sneaks in and warm air slips out. Instead of tearing into drywall or budgeting for a major ...

For any construction project in the 21st century, achieving energy-efficiency is a prime directive. Among the arsenal of tools available to builders charged with constructing exterior walls, insulated ...

I am renovating a house and the floor in our rec room gets very cold. We have an accessible crawl space below it. I would like to put up unfaced insulation between the floor joists and lay carpeting ...

You’ve probably noticed pipes running inside exterior walls and wondered why builders accept the winter risk. They often ...

Question: I enjoyed reading your previous article about basement mould, as it was a very timely read. I am in the process of finishing my basement. It is a newer home that I am building an hour south ...

Your insulation might look fine — but contractors say it's quietly bleeding you dry.