Sash basics: cords, pulleys, weights—how they work Double-hung windows are one of the earliest “precision machines” in your house. When they … Read more
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“Energy efficiency” myths: what changes comfort fastest (air sealing vs replacement) The most persistent myth in old-house land: “New windows will … Read more
Rot triage: when wood is repairable vs not Rot is less a “wood problem” than a water problem with a wood … Read more
Glazing putty 101: what fails and how to spot it Glazing putty is the unsung weather seal that holds glass in … Read more
Repair vs Replace: A decision framework for original windows. Original wood windows aren’t just “old windows.” They’re a system: sash + … Read more