mortar brick

mortar brick

A type of brick used primarily in the 18th and 19th centuries; usually consisted of a mixture of sand and lime, to which water was added; then molded into bricks and allowed to harden in the open air; primarily used in regions where clay for making a better grade of bricks was unavailable.
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2) Jessica Lipstone, left, and Ariel Berkson, both 5, check on the mortar bricks they made at Temple Aliyah kindergarten.
In cold weather, the insulation of recycled newspaper yields warmth equivalent to 20 times that of mortar bricks.
Tenders are invited for Supply of Insulyte mortar bricks