You will need
- - sponge;
- - rags;
- - scraper;
- brush for washing Windows;
- - chisel and hammer (optional: drill with brush, grinder);
- - remover for cement;
- - vinegar.
Soak the dried cement spots with hot water and a sponge or rag. To start, RUB them with a sponge, then use a suitable tool. Windows carefully from cement clean with a scraper for cleaning cooktops, then wash with a special brush for washing Windows.
Scrape off the frozen remnants of the cement in the plane of the razor blades. Be careful not to leave scratches – do not turn sharp corners to contamination. Clean the dirt, wash the surface in two waters.
To clear tiles from the old cement grout (if it defies the gentle methods) can be checked – fashioned way- with a chisel and a hammer. Tile fix on a perfectly flat surface, otherwise it will crash. This method of cleaning cement can only be used when a particular skill as you are running the risk to ruin the material.
Try to work the drill at low speed, having spread on it a soft brush. This tool can be replaced with a grinding machine with adjustable speed. The low speeds will protect the surface from excessive heat. Your task – as best as possible to fix the tiles in a certain position.
Buy special cleaner for cement in the hardware store and carefully read the instructions for use. The basis of such washes is the acid (hydrochloric or phosphoric), which easily crushes frozen with cement splashes.
Read the information on the packaging, the suitability of the cleaner for specific material – to apply the acid on some surfaces is prohibited. Work especially carefully on a tiled wall, at the same time with spots on the tile to remove grout and seams.
Treat the soiled surface with a wash of cement according to the instructions. It is generally recommended to pre-moisten spot with water, apply the acid cleaner: for large long – standing solutions without dilution, for the cement of the RAID – 1 part of the wash, and 3-5 parts water. Wait for 10 minutes and remove the softened residual dirt with a spatula. At the finish – the surface is rinsed with water using a soft cloth.
Some craftsmen successfully wash away the cement spray Windows with vinegar. Acid is applied to a small cleared area, and as a softening cement describeda brush. Of course, all manipulations with acids (including industrial washes) only needs to be performed with PPE (overalls, gloves, goggles and definitely a respirator to avoid breathing harmful fumes).
In any case not satisfied with the house "chemical laboratory" - do not mix different acid washes with improvised cleaning products. You may get unexpected reactions, and irrevocably hurt cleanable material