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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Sealer prevents water from absorbing into the concrete by beading it on the surface—this helps concrete last longer, especially in the winter. A good sealer can also have non-slip additives which are great around a pool. It even helps fight stains by creating a thin layer between the spill and the concrete. As an added bonus, a sealer is great at preventing sun damage and fading.
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