Mortar is a cement mixture used to bond bricks, concrete blocks and stones together. Unlike concrete, which weakens if overworked by excessive mixing or smoothing, mortar can be spread and troweled ...
RealLifeDIY on MSN
Masons who've laid brick for decades say the mortar has changed more than people realize
Veteran masons say today's mortar isn't your grandfather's mix — and that matters.
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