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My understanding is that when building a conditioned attic below an unvented hybrid roof assembly, it is not necessary to install an air barrier on the underside of the roof assembly, directly below the fluffy insulation (as you would when building an unvented cathedral ceilings). For example, see the attached detail, from Martin’s old article […]
WIC-SIF 2025: UAE’s rapid adoption of Industry 4.0 technologies drives manufacturing growth Economy Middle East
Katarzyna Kalisz: how disruptive technologies are reshaping aerospace manufacturing The Manufacturer
See attached photos. While preparing to repaint, I noticed mold when I took off baseboards. My question is about finding the cause, as I’m already planning to rip out affected areas (unless someone strongly advises against). I used concrobium to wipe away what I thought was surface mold, but was likely just old crusty dust. […]
I received such spot on advice for a roofing question I figured I would ask the other one that was puzzling me… I have a side “shed” style roof under the eave side of the main gable roof of a 26×16 accessory structure. The side roof is just intended to cover the front door and […]
I’m sizing a new heat pump system. Trying to decide between Tempstar (Carrier equivalent) systems rated at 24K BTU/hr ( AHRI Cert#: 215319085) and 30K BTU/hr ( 215319098). As of right now, I estimate my design load at 5F to be 25000 BTU/hr. There’s less low-load cycling for the 24K system and less unmet load for […]
Hello all, I’m about to install new foam board insulation on an addition attached* to a late-1800’s triple wythe brick farmhouse in zone 5A (central PA). I’ve read a ton and am doing my best to make sure I manage and transition my control layers, but was hoping for an expert opinion on transitioning between […]