Commercial

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Commercial

Radon Mitigation Basics for an Older Home

Building Science Radon Mitigation Basics for an Older Home After three years of radon testing, I finally installed a mitigation system. Here’s what I learned—and how well it’s working so far. By Allis...

2 months ago
1190 views
Commercial

Cathedral Ceiling Insulation Detail

Cathedral Ceiling Insulation Detail user-1243222666 | Posted in General Questions on June 24, 2026 10:49pm Hi all, will the assembly in the picture work without condensation issues? It will be constru...

2 months ago
1662 views
Commercial

Sealing the floor of water heater closet.

Sealing the floor of water heater closet. fourforhome | Posted in General Questions on June 24, 2026 12:35pm Hello everyone,   I am currently insulating my basement floor using a subfloor assembly con...

2 months ago
806 views
Commercial

Lvl for open pier and beam foundation

Lvl for open pier and beam foundation big__o | Posted in General Questions on June 24, 2026 09:50am I got a design 5 years ago from an engineer specifying 2 ply lvl for the open pier and beam foundati...

2 months ago
1166 views
Commercial

Passive house – dehumidification

Passive house – dehumidification inthemaples | Posted in Mechanicals on June 23, 2026 09:47am I bought a ~10 year old passive house in Maine this spring. It’s become clear that dehumidification is nee...

2 months ago
1387 views
Commercial

Cape cod re-insulation

Cape cod re-insulation ScooterH | Posted in General Questions on June 21, 2026 11:18am Hi all – I have been struggling to find the *right* solution for my house.  Here are all the basics: 1994 Cape Co...

2 months ago
1212 views
Commercial

Sloped roof attic insulation remodel

Sloped roof attic insulation remodel jeffreymweeks | Posted in Energy Efficiency and Durability on June 20, 2026 12:22pm I am in the planning stages of finishing out the 2nd floor of an expandable cap...

2 months ago
1049 views
Commercial

Attic insulating in cold climate

Attic insulating in cold climate DanS355 | Posted in Energy Efficiency and Durability on June 18, 2026 02:27pm In the process of air ceiling and insulating attic in cz 6/7 roof pitch of 4/12 2×6 rafte...

2 months ago
735 views
Market News

On-demand hot water recirculation

On-demand hot water recirculation Curtis_Homan | Posted in General Questions on June 15, 2026 12:25pm Does anyone have experience with AutoHotUSA? I want to use their DR099A system with dedicated retu...

2 months ago
571 views