The 4-2-1 formula for mixing concrete is simple enough to follow for DIY home and garden projects. But the way you add water ...
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Masons who've laid brick for decades say the mortar has changed more than people realize
Pre-mixed mortar products were virtually nonexistent before the 1980s, when nearly every mason blended raw materials on-site by hand. Modern polymer-modified mortars bond more tightly than traditional ...
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