Q: Is it a good or bad idea to insulate house walls if the exterior is brick and the interior is plaster? It’s been recommended that we insulate our walls. The house was built in the 1940s. The ...

Q: The walls of our 1938 San Francisco home are lath and plaster, with a canvas-like fabric over the plaster. There are cracks in the plaster, which can be seen through the paint as raised creases in ...

Lath-and-plaster walls are common in older houses (built late 18th Century until the early 1950’s, when drywall became standard). Whether you want to hang a picture, mirror or kitchen cabinet, ...