The concrete windowsill is as strong as possible, thanks to its predominant factors. But the effects of nature on it can also adversely affect its external state, namely, the effects of severe frosts or rain can lead to the crackle of concrete. Small damaged areas of this windowsill are cleaned with a bit, and then closed with a cement mortar as accurately as possible. With great damage, a thorough update is necessary. Consider in more detail the process of updating the concrete window sill.
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After the damaged places on the windowsill was hidden, it is necessary to know that the intact edge of the window sill should be made as smooth as possible, but the bottom must be done as uneven as possible, this is done in order to have a new solution as strong as possible with old concrete as possible.
The cement composition should contain any adhesive substance (of your choice). Next, with this composition, we fill in the liberated cavity of the element and all existing cracks, and small potholes. After the neat distribution of the cement mortar over the entire surface of the windowsill, it must be covered with polyethylene in order to let it completely clasp and dry for three days. As well as polyethylene will serve as a kind of protection against rain water.
