Should I Insulate Stone Walls?

A: Virtually all stone is best considered a thermal mass material rather than an insulator. It absorbs heat, holds it for a period of time, and then passes it on. However, if the walls are thick enough then it can act like insulation in that it takes quite awhile for the heat to penetrate.

Can you insulate solid stone walls?

There are four main options that can be used where there are solid stone masonry or brick walls: insulation blown behind existing wall linings – used where walls are still lined with the original lath and plaster. ... insulation applied directly to masonry or plaster – used where walls are “plastered on the hard”

Are stone walls energy efficient?

Because of stone's density, heat seeps through the wall VERY slowly, so that by the time the sun sets, heat is just starting to reach the home's cool interior. ... The solution comes in the form of insulation, placed somewhere inside the stones walls, energy efficient windows and an effective HVAC system.