[MassHistPres] Brick nogging

[d-mountain at comcast.net]

There has been considerable speculation about the purpose of brick nogging and back plastering in recent days but has anyone found a period reference to the practice?  We know now that air spaces provide insulation and dense products like brick are good for thermal mass  but you need both to create an energy efficient dwelling.  I'm curious about what the builders of these early homes thought that they were accomplishing with these various practices of filling the void between the exterior and interior wall.


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