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Owner builder here just wondering if it is feasible for me to DIY dense pack fiberglass or cellulose in my walls with a rental blower from the local building supply store designed for loose fill blow in. I’ve heard about folks reducing the hose to help with the psi to help pack the insulation denser.  […]

Unfortunately, I am needing to dive back into a couple of wall assemblies.  Slab heat is on, set at 65 degrees, and needs to be maintained now through the winter.   Temps are below freezing in the morning and hard freeze up is imminent within the next few weeks.  CZ7. How much moisture am I letting […]

We had mini-splits when no one knew what they were—I have a double head 1 sized at 8000 BTU up and 12000down   It costs $300-$400 to clean – much to my surprise- as they seek to have mold issues, and clogged drains are a sure thing as they get older.Has any OEM addressed this? The […]

Air leaks can waste energy, carry moisture into building assemblies, and create indoor-air-quality problems. This article by John Straube explains the forces that move air through a house—including wind, stack effect, and mechanical equipment—and why a continuous air barrier paired with controlled ventilation is essential for a durable, efficient home. Originally published in Fine Homebuilding […]

Texas Issues Drilling Permit for Nuclear Waste Disposal Demonstration Deep Isolation plans to test its deep borehole disposal technology at full scale using non-radioactive materials at a site near Cameron, Texas. By Danielle Naidu October 02, 2026 A nuclear waste disposal demonstration near Cameron, Texas, can now advance from engineering and design toward site preparation, […]

Compliance and operational control are closely related, but they are not the same. Compliance focuses on meeting applicable requirements, while operational control focuses on making sure processes are consistently managed to achieve the intended results. For organizations implementing or maintaining an ISO 9001 Quality Management System (QMS), understanding this difference can help turn compliance from […]

Friends. Please help us. We have been out of our home over 30 days. We had attic spray foam closed cell insulation installed in a clean dry new roof attic of our home of two years. Built in south shore ma in 1980’s.  Over 35 days had install. Smell never left. They did 4 different […]

Hello!  We are using Marvin triple-pane Elevate windows in our home (mixture of fixed, awning, and casement).  For some reason, the gaps between the windows and the rough openings are really big (like upwards of 2″ in many places).  This creates some challenges for air sealing.  I’ve wrapped the Intello and Tescon tape into the […]

Imagine a sunny spring day. You’re feeling warm from the sun as you walk down the street. Then you go into a big concrete parking deck. Suddenly you feel a chill. That’s radiant cooling. (And it was radiant heating from the sun before that.) The massive concrete is still cool from winter. You walk through […]