Mortar Mix and Yield

Bags of mortar mix from brick / CMU count and joint thickness.

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Formula and source

Bag yields per PCA / NCMA: 1 bag (94 lb Type N) yields ~3.0 ft³ mortar; joint volume from joint_thickness × wall_area_per_bag; brick / 8-inch CMU joint-thickness adjustment.

PCA (Portland Cement Association) Design and Control of Concrete Mixtures by name; ASTM C270 mortar specs by name.

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