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Building Science Corp would tell you that anything over 1/16″ has pretty much exactly the same drainage potential. The additional depth provides additional ventilation potential. Is that necessary? I am not sure. Perhaps there are folks on here with more experience with the long-term durability of each who could tell you. To me, any drainage […]

Hello,We’re building a new residence in SE Washington State and planning to use Lunawood thermally treated 1x t&g siding in a vertical application.  We have plywood wall sheeting, no overhangs and planning to use Homeslicker behind horizontal 1×3’s for nailing. Question: Is it necessary to use a self adhered WRB such as Henry Blueskin VP100 […]

Building Science A two-year spike in energy consumption pointed to a dirty filter and coil, but a closer look revealed another contributing factor As I’m sure you do, I track my energy use at home. I’ve got a spreadsheet with the data from all of my electricity bills since we moved into this house in […]

Maryland Opens $200 Million Auction for Clean Energy and Storage Project Grants Preliminary applications for Maryland’s two-year grant program are due Nov. 30, and only applicants found eligible may submit bids by Jan. 22, 2027. By Danielle Naidu October 28, 2026 Developers of grid-scale energy storage and renewable energy generation projects can now compete for […]

Product Guide Modern peel-and-stick water-resistive barriers help control air and water and improve building durability in challenging conditions. By Joshua Salinger | October 28, 2026 Self-adhered (SA) water-resistive barriers (WRBs) have evolved from traditional housewraps and now provide both water protection and improved air control, making them especially useful in renovations and airtight building assemblies. […]

Hello, I posted a few weeks ago and got some great responses re: my overall approach to insulating the attic of a 1950’s colonial. This is a DIY job limited to attic but I am trying to do the best I can to create a air vent channel below the existing roof board sheathing and […]

Knowing that our vaulted ceilings were at risk of rotting from the inside out, I’ve tried several times over the years to find a contractor who will retrofit our roof deck with rigid foam insulation.  Time has run out, and we need this done now.   Thanks to GBA and other sources such as ASIRI designs, […]

Green Building News Program helps households install heat-pump water heaters, induction cooktops, and more to help with rising energy costs By Justin R. Wolf | October 27, 2026 Despite political headwinds at the federal level, including the sunsetting of certain tax incentives, a slowdown in clean tech investments, and more, the energy transition in the […]

I am considering using Superior Walls precast concrete walls above grade on my next build. On my last build, I Superior Walls for a daylight basement.  We added pigment to the mix to give it an earth-tone color and broom finished the exterior; we also applied concrete sealer.  It looked somewhat like a stucco finish. […]

EPA Proposes Changes to Oil and Gas Emissions Standards The proposed revisions address methane monitoring, gas flaring and emissions control requirements for oil and natural gas operations. By Stasia DeMarco October 28, 2026 The EPA has proposed revisions to federal air pollution standards for oil and natural gas operations, including changes to methane monitoring, gas […]